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Intel? SC5000 Server Chassis
Subassembly Product Guide
A Guide for Technically Qualified Assemblers of Intel? Identified Subassemblies/Products
Order Number: 744708-006
http://support.intel.com/support/motherboards/server/chassis/sc5000
ii
If an FCC declaration of conformity marking is present on the system, the following statement applies:
FCC Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
For questions related to the EMC performance of this product, contact:
Intel Corporation
5200 N.E. Elam Young Parkway
Hillsboro, OR 97124
1-800-628-8686
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
? Reorient or relocate the receiving antenna.
? Increase the separation between the equipment and the receiver.
? Connect the equipment to an outlet on a circuit other than the one to which the receiver is connected.
? Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Compliance Statement:
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set
out in the Radio Interference Regulations of the Canadian Department of Communications.
Le pr?sent appareil numerique n?met pas de bruits radio?lectriques d?passant les limites applicables aux
appareils num?riques de la classe B prescrites dans le R?glement sur le broullage radio?lectrique ?dict? par
le minist?re des Communications du Canada.
Disclaimer
Information in this document is provided in connection with Intel? products. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in
Intel뭩 Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel
disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or
warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright
or other intellectual property right. Intel products are not designed, intended or authorized for use in any
medical, life saving, or life sustaining applications or for any other application in which the failure of the Intel
product could create a situation where personal injury or death may occur. Intel may make changes to
specifications and product descriptions at any time, without notice.
? Third party brands and names are property of their respective owners.
Copyright ? Intel Corporation 1999, 2000. All rights reserved.
iii
Contents
1 Chassis Description
Firmware Update.................................................................................................................. 7
Kit Contents......................................................................................................................... 7
Feature Summary................................................................................................................. 7
Chassis Front Controls and Indicators ......................................................................... 8
Chassis Back I/O Ports and Features .......................................................................... 9
Chassis Side View..................................................................................................... 10
Peripherals ......................................................................................................................... 11
5.25-inch Removable Media Drive Bays .................................................................... 11
5.25-inch Hard Drive Bays ......................................................................................... 11
Power Supply ..................................................................................................................... 11
Checking the Power Cords ........................................................................................ 12
Chassis Security................................................................................................................. 12
Monitoring.................................................................................................................. 12
Mechanical Locks ...................................................................................................... 13
2 Setting Up the Chassis
Tools and Supplies Needed................................................................................................ 15
Safety: Before You Remove the Access Cover ................................................................. 15
Warnings and Cautions ...................................................................................................... 15
Remove the Access Cover ................................................................................................. 16
Install the I/O Shield ........................................................................................................... 17
Install the Server Board Bumpers....................................................................................... 18
Install the Server Board...................................................................................................... 19
Connect Cables to the Server Board .................................................................................. 21
Install the Diskette Drive..................................................................................................... 23
Hard Drives ........................................................................................................................ 26
Drive Cabling Considerations..................................................................................... 26
Installing a 5.25-inch Removable Media Device......................................................... 27
Installing a 5.25-inch or 3.5-inch Hard Drive .............................................................. 30
Hot-Swap SCSI Hard Disk Drives .............................................................................. 33
Installing an Add-in Board .................................................................................................. 36
Install the Upper Foam Epac .............................................................................................. 37
Install the Access Cover ..................................................................................................... 38
Install the Chassis Feet (Pedestal Mode) ........................................................................... 39
3 Working Inside Your Server
Tools and Supplies Needed................................................................................................ 41
Safety: Before You Remove the Access Cover ................................................................. 41
Warnings and Cautions ...................................................................................................... 41
Replacing Fans .................................................................................................................. 42
iv Intel SC5000 Server Chassis Subassembly Product Guide
Replacing a Power Supply.................................................................................................. 43
350 Watt Hot Swap Power Supply Modules............................................................... 43
350 Watt AC Power Supply Housing ......................................................................... 44
300 Watt Power Supply ............................................................................................. 46
Replacing the Front Panel Board........................................................................................ 48
Replacing the Hot Swap Backplane and SAF-TE Card ...................................................... 49
Replacing the Speaker ....................................................................................................... 54
4 Technical Reference
Power Supply Specifications .............................................................................................. 55
Input Voltages............................................................................................................ 55
Output Voltages......................................................................................................... 55
Environmental Specifications.............................................................................................. 56
5 Regulatory Information
Regulatory Compliance ...................................................................................................... 57
Safety Compliance..................................................................................................... 57
EMC Compliance....................................................................................................... 57
Regulatory Compliance Markings .............................................................................. 58
Electromagnetic Compatibility Notices................................................................................ 58
FCC Declaration of Conformity (USA) ....................................................................... 58
ICES-003 (Canada) ................................................................................................... 59
VCCI (Japan)............................................................................................................. 59
BSMI (Taiwan) ........................................................................................................... 60
Lithium Battery Replacement ............................................................................................. 60
Equipment Rack Precautions ............................................................................................. 61
Installation Safety Instructions ................................................................................... 62
Use Only for Intended Applications............................................................................ 62
A Equipment Log and Worksheets
Equipment Log ................................................................................................................... 65
Current Usage.................................................................................................................... 67
300 Watt Power Supply ............................................................................................. 67
350 Watt Power Supply ............................................................................................. 69
B Warnings
WARNING: English (US) ................................................................................................... 72
AVERTISSEMENT: Fran?ais............................................................................................. 74
WARNUNG: Deutsch ........................................................................................................ 76
AVVERTENZA: Italiano ..................................................................................................... 78
ADVERTENCIAS: Espa?ol................................................................................................ 80
Contents v
C Warranty
Limited Warranty for Intel? Server Chassis Subassembly Products ................................... 83
Extent of Limited Warranty ................................................................................................. 83
Warranty Limitations and Exclusions.................................................................................. 84
Limitations of Liability................................................................................................. 84
How to Obtain Warranty Service ........................................................................................ 85
Telephone Support .................................................................................................... 85
Returning a Defective Product ................................................................................... 86
Figures
1. Screw Description........................................................................................................ 7
2. Front Controls and Indicators ...................................................................................... 8
3. Back Controls and Indicators....................................................................................... 9
4. Chassis Side View..................................................................................................... 10
5. Lock Loop.................................................................................................................. 13
6. Door Lock .................................................................................................................. 13
7. Removing the Access Cover...................................................................................... 16
8. Installing the I/O Shield.............................................................................................. 17
9. Rubber Bumper Placement ....................................................................................... 18
10. Installing the Server Board ........................................................................................ 20
11. Front Panel Cable Connections ................................................................................. 21
12. Removing the Diskette Drive Carrier.......................................................................... 23
13. Installing the Diskette Drive into the Drive Carrier...................................................... 24
14. Installing the Diskette Drive/Carrier Assembly ........................................................... 25
15. Removing EMI Shields .............................................................................................. 27
16. Slide Rails.................................................................................................................. 28
17. Installing a Removable Media Device ........................................................................ 29
18. Removing a Drive Carrier .......................................................................................... 30
19. Attaching a Hard Drive to a Carrier............................................................................ 31
20. Installing a Carrier ..................................................................................................... 32
21. Removing the Air Baffle From the Drive Carrier......................................................... 33
22. SCA Hard Disk Drive and Hot Swap Drive Carrier ..................................................... 34
23. Inserting a Hot Swap Drive ........................................................................................ 35
24. Installing an Add-in Board.......................................................................................... 37
25. Installing the Access Cover ....................................................................................... 38
26. Installing the Chassis Feet......................................................................................... 39
27. Hot Swapping a Power Supply .................................................................................. 43
28. Replacing the 350 Watt AC Power Supply Module .................................................... 44
29. Removing the 350 Watt Power Supply Bracket ......................................................... 45
30. Replacing the 300 Watt AC Power Supply................................................................. 47
31. Replacing the Front Panel Board............................................................................... 48
32. Removing the Hot Swap Drive Carriers ..................................................................... 49
33. Removing the Hot Swap Drive Bay............................................................................ 50
34. Removing the Hot Swap Backplane........................................................................... 51
35. Replacing the Hot Swap Backplane........................................................................... 52
36. SAF-TE Card and Hot Swap Backplane .................................................................... 53
37. Replacing the Speaker .............................................................................................. 54
vi Intel SC5000 Server Chassis Subassembly Product Guide
Tables
1. Feature Summary........................................................................................................ 7
2. Power Supply System Output Capability ................................................................... 55
3. Power Supply System Output Capability ................................................................... 56
4. Environmental Specifications..................................................................................... 56
5. 300 Watt Power Usage Worksheet 1......................................................................... 67
6. 300 Watt Power Usage Worksheet 2......................................................................... 68
7. 350 Watt Power Usage Worksheet 1......................................................................... 69
8. 350 Watt Power Usage Worksheet 2......................................................................... 70
7
1 Chassis Description
Firmware Update
If your chassis contains a hot swap bay and you are integrating an Intel L440GX+ server board,
you must update the firmware in the Hot Swap Controller (HSC). After you finish setting up the
chassis, download the current firmware from Intel뭩 support website. Extract the files to a
bootable diskette, insert the diskette into your system and boot to it.
Kit Contents
The SC5000 chassis subassembly kit includes this Product Guide; a power cord; two chassis feet;
and a box that includes six 5.25-inch external drive rails and mounting screws (Figure 1, B),
mounting screws for the chassis feet (Figure 1, D), mounting screws for the server board
(Figure 1, C), and mounting screws for IDE drives (Figure 1, A).
OM09086
A B C D
A. Flat head 6-32 x 5mm [.200] C. Hex head 6-32 x 6mm [.256]
B. Flat head M3 x 5mm [.200] D. Round head M4 x 8mm [.315]
Figure 1. Screw Description
Feature Summary
Table 1. Feature Summary
Feature Description
Drive Bays One 3.5-inch diskette drive bay, accessible from front.
Three 5.25-inch wide bays that are externally accessible, designed to hold half-height standard
removable media devices; two of the bays can be converted into a single full-height bay.
Five 5.25-inch wide bays that are not externally accessible, designed to hold half-height IDE
drives.
An optional hot-swap bay for 3.5-inch hard disk drives: space for up to five 1-inch high, SCA2
hard drives.
Expansion slot
covers
Up to seven expansion slots can be used; every slot that does not have an add-in board
installed must have a slot cover installed.
Power supply 300 watt power factor correction (PFC) power supply, integrated cooling fan. Detachable AC
power cord.
Optional 350 watt hot-swap redundant 1+1 PFC power supply.
Cooling Two system fans inside the chassis and one power supply fan provide cooling and airflow. The
optional 350 watt power supply has two fans.
8 Intel SC5000 Server Chassis Subassembly Product Guide
Chassis Front Controls and Indicators
OM09065
H
I
B
D
A
F
J
K
L
G
C
E
M
A. External drive bay (5폇)
B. Power/Sleep LED
C. Network activity LED
D. Hard drive activity LED
E. General Fault LED
F. Hot swap drive carriers*
G. Internal drive bays
H. Chassis intrusion switch
I. Diskette drive bay; diskette drive shown installed*
J. Reset button
K. Power On/Off button
L. Sleep button
M. Security lock
* Items shown may not be included in the chassis.
Figure 2. Front Controls and Indicators
Turning on Your Server
1. Turn on the power supply modules (Figure 3, J).
2. Press the power button on the front panel (Figure 2, K)
Chassis Description 9
Chassis Back I/O Ports and Features
OM09070
I HGF E D C B A
K
J
L
M
A. Expansion slot covers
B. VGA monitor connector*
C. Universal Serial Bus (USB) connectors
D. NIC connector
E. Serial port B, COM2
F. Parallel port
G. Serial port A, COM1
H. Keyboard/Mouse connectors
I. AC input power connector
J. Power On/Off switch*
K. Power supply failure LED (LED lit means proper
operation)*
L. Power supply*
M. Lock loop
* Items shown may not be included in the chassis.
Figure 3. Back Controls and Indicators
10 Intel SC5000 Server Chassis Subassembly Product Guide
Chassis Side View
OM09068
G
B
C
A
E D
F
A. 5.25-inch removable media drive bays
B. Diskette drive*
C. 5.25-inch hard drive bays
D. Foam epac fan carrier
E. Main chassis
F. Server board*
G. Power supply
* Items shown may not be included in the chassis.
Figure 4. Chassis Side View
Chassis Description 11
Peripherals
5.25-inch Removable Media Drive Bays
The upper three bays are designed for removable media peripherals. You can install up to three
half height peripherals or one full height and one half height peripherals.
5.25-inch Hard Drive Bays
The lower five drive bays are designed for hard drives. An optional hot swap drive bay can replace
the top three of these drive bays.
3.5-inch Hot Swap Drive Bay
The optional hot swap drive bay supports up to five 3.5-inch SCA LVDS hard drives. Five carriers
are included with the system. If no drive is installed in a carrier, a plastic air baffle must be
installed to ensure proper hard drive cooling.
The hot swap drive bay accepts 1-inch peripherals that consume up to 14 Watts of power. Drives
must be specified to operate at a maximum ambient temperature of 50 튏.
Power Supply
The SC5000 chassis comes with either a 300 watt power supply or a 350 watt 1+1 redundant
power supply.
12 Intel SC5000 Server Chassis Subassembly Product Guide
Checking the Power Cords
WARNING
Do not attempt to modify or use a supplied AC power cords if they are
not the exact type required.
The power supply cords are the main disconnect device to mains (AC
power). The socket outlet shall be installed near the equipment and
shall be readily accessible.
If a power cord supplied with the chassis is not compatible with the AC wall outlet in your region,
get one that meets the following criteria:
? The cord must be rated for the available AC voltage and have a current rating that is at least
125% of the current rating of the server.
? The connector that plugs into the wall outlet must be a grounding-type male plug designed for
use in your region. It must have certification marks showing certification by an agency
acceptable in your region.
? The connector that plugs into the AC receptacle on the power supply must be an IEC 320,
sheet C13, type female connector.
? In Europe, the cord must be less than 4.5 meters (14.76 feet) long, and it must be flexible
<HAR> (harmonized) or VDE certified cordage to comply with the chassis? safety
certifications.
Chassis Security
To help prevent unauthorized entry or use of the server, the chassis includes two chassis intrusion
switches that can be monitored by Server Management software, a padlock loop at the rear of the
chassis, and a door lock.
Monitoring
Two chassis intrusion switches are preinstalled. When the access cover is removed or the front
bezel door is opened, the switch transmits a signal to the BMC on the server board. Server
management software can be programmed to respond to an intrusion by powering down or by
locking the keyboard, for example.
Chassis Description 13
Mechanical Locks
A padlock loop on the rear of the chassis access cover can be used to prevent access to the internal
of the chassis. A variety of lock sizes can be accommodated by the .270 diameter loop. The front
bezel has a two position lock to prevent access to the hard drives and the interior of the chassis.
OM09173 OM09077
B
A
Figure 5. Lock Loop A. Front bezel locked
B. Front bezel unlocked
Figure 6. Door Lock
14 Intel SC5000 Server Chassis Subassembly Product Guide
15
2 Setting Up the Chassis
This chapter describes how to set your server up for the first time.
Tools and Supplies Needed
? Phillips (cross head) screwdriver (#2 bit)
? Antistatic wrist strap (recommended)
? Needle-nosed pliers
Safety: Before You Remove the Access Cover
Before removing the access cover for any reason, observe these safety guidelines.
1. Turn off all peripheral devices connected to the server.
2. Turn off the server by pressing the power button on the front of the chassis. Then unplug the
AC power cord from the chassis or wall outlet.
3. Label and disconnect all peripheral cables and all telecommunication lines connected to I/O
connectors or ports on the back of the chassis.
4. Provide some electrostatic discharge (ESD) protection by wearing an antistatic wrist strap
attached to chassis ground뾞ny unpainted metal surface뾵hen handling components.
Warnings and Cautions
These warnings and cautions apply whenever you remove the access cover to access components
inside the server. Only a technically qualified person should integrate and configure the server.
WARNINGS
The power button on the front panel DOES NOT turn off the AC power.
To remove power from server, you must unplug the AC power cord
from the wall outlet or the chassis.
Hazardous electrical conditions may be present on power, telephone,
and communication cables. Turn off the server and disconnect the
power cords, telecommunications systems, networks, and modems
attached to the server before opening it. Otherwise, personal injury or
equipment damage can result.
Hazardous voltage, current, and energy levels are present inside the
power supply. There are no user-serviceable parts inside it; servicing
should be done by technically qualified personnel.
16 Intel SC5000 Server Chassis Subassembly Product Guide
CAUTIONS
ESD can damage disk drives, boards, and other parts. Perform all
procedures in this chapter only at an ESD workstation. If one is not
available, provide some ESD protection by wearing an antistatic wrist strap
attached to chassis ground푔ny unpainted metal surface푥n your server
when handling parts.
Always handle boards carefully. They can be extremely sensitive to ESD.
Hold boards only by their edges. Do not touch the connector contacts. After
removing a board from its protective wrapper or from the server, place the
board component side up on a grounded, static free surface. If you place the
server board on a conductive surface, the battery leads may short out. If
they do, this will result in a loss of CMOS data and will drain the battery.
Use a conductive foam pad if available. Do not slide board over any surface.
For proper cooling and airflow, always install the access cover before
turning on the server. Operating it without the cover in place can damage
system parts.
Remove the Access Cover
Facing the front of the chassis, the access cover is on the left side for pedestal-mounted (tower)
servers, and on the top for rack-mounted servers.
1. Observe the safety and ESD precautions at the beginning of this chapter.
2. Loosen the captive thumbscrews that secure the access cover in place.
3. Slide the cover backward a short distance, until it stops.
4. Pull the entire cover outward, straight away from the chassis, to disengage the rows of tabs
from the notches in the top and bottom edges of the chassis. Set the cover aside.
OM09083
Figure 7. Removing the Access Cover
Setting Up the Chassis 17
Install the I/O Shield
/ NOTE
An ATX 2.03-compliant I/O shield is provided with the server board. The
shield is required by Electromagnetic Interference (EMI) regulations. It
minimizes EMI and ensures proper cooling of the server. If the shield does
not fit the chassis, obtain a properly sized shield from the chassis supplier.
The shield fits the rectangular opening near the power supply in the back of the chassis. The shield
has cutouts that match the external I/O connectors (e.g., keyboard and mouse).
1. Install the shield from inside the chassis. Orient the shield so that the cutouts align with the
corresponding I/O connectors on the server board. Make sure the metal fingers are on the
inside of the chassis.
2. Position one edge so that the dotted groove is outside the chassis wall, and the lip of the shield
rests on the inner chassis wall.
3. Hold the shield in place, and push it into the opening until it is seated. Make sure the I/O
shield snaps into place all the way around.
OM09079
Figure 8. Installing the I/O Shield
18 Intel SC5000 Server Chassis Subassembly Product Guide
Install the Server Board Bumpers
If you are installing an Intel? L440GX+, use the following diagram. If you are installing a
different board, please see the Quick Start Guide that shipped with your board for the proper
diagram. Peel the adhesive backing from three rubber bumpers; stick the bumpers to the chassis
wall (see Figure 9, A).
OM10344
4.0"
6.0"
3.25"
10.75"
8.0"
A
A. Rubber bumper
Figure 9. Rubber Bumper Placement
Setting Up the Chassis 19
Install the Server Board
If you are installing an Intel? L440GX+, use the following diagram. If you are installing a
different board, please see the Quick Start Guide that shipped with your board for the proper
diagram.
See your server board quick start guide for more information on how to install your server board,
processors, and memory.
/ NOTE
You should install URMs and processors before installing the server board
into the chassis.
1. Remove the top piece of foam epac from the system fans.
2. Tilt the board into the chassis I/O connector end first. Position the board so the screw holes
line up with the standoffs. There are two positioning standoffs (Figure 10, D) that extend into
the holes on the server board. These two standoffs will help you position the board correctly.
Make sure the I/O connectors stick out through the I/O shield. Make sure that the metal tabs
on the I/O shield are on top of the USB and NIC connectors, not inside.
3. Insert one screw through one of the mounting holes of the board and into a threaded standoff.
Do not tighten the screw until the next step.
4. Insert the remaining screws through the mounting holes and into the threaded standoffs. Make
sure the board is properly seated, then tighten all the screws firmly, starting with the screws in
the center of the board.
20 Intel SC5000 Server Chassis Subassembly Product Guide
OM09082
D
B
A
D
C
D
D
E
D
A. Chassis
B. Serverboard
C. I/O connectors
D. Positioning standoffs
E. Screw (6-32 hex head)
Figure 10. Installing the Server Board
Setting Up the Chassis 21
Connect Cables to the Server Board
See your server board product guide or quick start guide for connector locations.
1. Connect the front panel cable to the board.
2. Connect the 밪leep? cable to the ATX stake pins.
OM10429
A B CD E F
A. Sleep connector for the L440GX+ server board
B. Front panel connector for the L440GX+ server board
C. Font panel connector for SSI-compliant server boards
D. Secondary hot swap bay I2C connector
E. Primary hot swap bay I2C connector
F. Screw
Figure 11. Front Panel Cable Connections
22 Intel SC5000 Server Chassis Subassembly Product Guide
3. Connect the power cables to the server board.
a. 300 watt power supply:
? The large plug labeled P1 plugs to the main power connector on the server board.
? The plug labeled P10 plugs to the AUX power connector on the server board (if
available). Note that this cable may not be long enough for some server boards; it is not
required for normal operation.
b. 350 watt power supply:
? The large plug labeled P1 plugs to the main power connector on the server board.
? The plug labeled P10 plugs to the AUX power connector on the server board.
? The plug labeled P13 plugs into the AUX SIG connector on the server board
(if available).
4. Connect the fan cables to the server board.
5. Connect the speaker cable to the server board. The speaker is not for use with the L440GX+
server board.
6. Connect the IDE cable(s) to the server board. Route the cable for the bottom hard drive bays
between the foam epac and the chassis. You will not need to remove the lower foam epac.
The IDE cables should lay as flat as possible so they don뭪 obstruct the air flow from the fans.
7. Connect the floppy cable to the server board.
8. Connect the SCSI cable(s) to the server board.
a. If the optional SCSI hot swap bay is installed:
? The SCSI cable is already connected to the bay and is routed correctly.
? Connect the SCSI cable to the LVD SCSI connector on your server board.
b. If the optional SCSI hot swap bay is not installed
? Route the cable between the foam epac and the chassis. You will not need to remove the
lower foam epac.
? Connect the SCSI cable to the server board.
9. Connect the chassis intrusion cable to the server board. Pull the cable free from the clips under
the inside edge at the rear of the chassis.
Setting Up the Chassis 23
Install the Diskette Drive
/ NOTE
We highly recommend you use a magnetic screwdriver for this step. A
nonmagnetic screwdriver may lose the screws between the chassis and the
plastic bezel.
1. Using a magnetic screwdriver, remove the two screws that hold the diskette drive carrier to the
front of the chassis.
2. Slide the carrier towards the rear of the chassis, until it comes free.
OM09177
Figure 12. Removing the Diskette Drive Carrier
24 Intel SC5000 Server Chassis Subassembly Product Guide
3. Remove the 3.5-inch diskette drive from its protective wrapper. Record the drive model and
serial numbers in your equipment log.
4. Set any jumpers or switches according to the drive manufacturer뭩 instructions.
5. Slide the drive into the drive carrier component side down.
OM09061
C
B
A
A. Diskette drive
B. Carrier
C. Screw (M3 flat head)
Figure 13. Installing the Diskette Drive into the Drive Carrier
6. Insert and tighten four screws (fine thread flat head) to attach the drive to the carrier.
7. Position the carrier so the front of the drive fits correctly in the front opening of the chassis.
When properly positioned, the hole in the carrier aligns with the threaded hole in the frame.
8. Secure the assembly to the front of the chassis with the two screws removed in step 1; tighten
the screws firmly.
Setting Up the Chassis 25
/ NOTE
Do not connect the data or power cables at this point.
OM09178
A
B
A. Data cable
B. Power cable
Figure 14. Installing the Diskette Drive/Carrier Assembly
26 Intel SC5000 Server Chassis Subassembly Product Guide
Hard Drives
Drive Cabling Considerations
The cables that ship with the SC5000 chassis are prefolded to fit the chassis. To minimize the
chance of damaging a cable, you should keep the cables folded correctly. The number of devices
you can install depends on:
? The number supported by the bus on your server board
? The number of physical drive bays available
? The combination of SCSI and IDE devices
IDE Requirements
If no drives are present on an IDE channel, the cable must be removed. If only one drive is
installed, it should be connected at the end of the cable.
/ NOTE
To disable the IDE controller: If you plan to disable the IDE controller to
reuse the interrupt for that controller, you must physically unplug the IDE
cable from the board connector if a cable is present. Simply disabling the
drive by configuring the SSU option does not make the interrupt available.
SCSI Requirements
If the optional hot-swap bay is installed, one Ultra160 SCSI cable is provided with the chassis to
connect the hot-swap backplane with the server board. This cable should be connected to the LVD
connector on the server board.
Setting Up the Chassis 27
Installing a 5.25-inch Removable Media Device
Three 5.25-inch half-height bays provide space for tape backup, CD-ROM, or other removable
media drives.
/ NOTES
Save the EMI shields: EMI integrity and cooling are both protected by
having drives installed in the bays or EMI shields covering the bays. When
you install a drive, save the shield to reinstall in case you should later
remove the drive and not reinstall one in the same bay.
1. Open the front bezel door.
2. Remove the two screws that hold the shield in place.
3. Pull the shield out of the chassis. Save the shield for use if you remove the peripheral.
OM09174
Figure 15. Removing EMI Shields
28 Intel SC5000 Server Chassis Subassembly Product Guide
4. Remove the drive from its protective wrapper and place it on an antistatic surface.
5. Record the drive model and serial numbers in your equipment log.
6. Set any jumpers or switches on the drive according to the drive manufacturer뭩 instructions.
7. Using four screws of the appropriate size and length, attach two slide rails to the drive.
OM09076
C
D
B A
A. CD-ROM drive or other removable media device
B. Screws (M3 flat head)
C. Left rail
D. Right rail
Figure 16. Slide Rails
8. Position the drive so the slide rails engage in the bay guide rails. Push the drive into the bay
until the slide rails are flush with the chassis.
Setting Up the Chassis 29
9. Connect a signal cable to the drive. The connectors are keyed and can be inserted in only
one way.
10. Connect a power cable to the drive. If your chassis contains the 350 watt power supply, use
the plugs labeled P2-P5.
OM09072
A
C
B
A
D
A. Removable media device
B. Data cable
C. Power cable
Figure 17. Installing a Removable Media Device
30 Intel SC5000 Server Chassis Subassembly Product Guide
Installing a 5.25-inch or 3.5-inch Hard Drive
Five (two if the optional hot swap drive bay is installed) 5.25-inch half-height bays provide space
for hard drives.
1. If you haven뭪 already done so, remove the top piece of foam epac from the system fans.
2. Remove and save the two screws that secure the drive carrier to the chassis.
3. Slide the drive carrier out of the chassis. You may need to push the drive from the inside of
the chassis.
OM09176
Figure 18. Removing a Drive Carrier
4. Remove the drive from its protective wrapper and place it on an antistatic surface.
5. Record the drive model and serial numbers in your equipment log.
6. Set any jumpers or switches on the drive according to the drive manufacturer뭩 instructions.
Setting Up the Chassis 31
7. Place the drive into the carrier component side down and with the power and data connectors
facing the rear of the carrier. The connectors should be flush with the read of the carrier.
8. Holding the drive in place, turn the carrier upside down.
OM09069
C
A
B
A. Drive carrier
B. Hard drive
C. Screw (6-32 flat head)
Figure 19. Attaching a Hard Drive to a Carrier
9. Line up the screws holes in the carrier with the screw holes in the drive.
10. Using four screws of the appropriate size and length, attach the drive to the carrier.
32 Intel SC5000 Server Chassis Subassembly Product Guide
OM09179
B
A
A. Data cable
B. Power cable
Figure 20. Installing a Carrier
11. Slide the carrier into the chassis.
12. Insert and tighten the screws removed in Step 1.
13. Attach data and power cables to the drive. You must use the power plugs labeled P6 and P7 to
connect to drives in the bottom two carriers. Use the plugs labeled P11 and P12 to connect to
drives in the next two carriers or to the hot swap bay.
Setting Up the Chassis 33
Hot-Swap SCSI Hard Disk Drives
The chassis may contain the optional hot swap drive bay and 5 drive carriers, but no hard disk
drives. Refer to the Intel customer support website for a list of approved SCSI devices.
CAUTION
Electrostatic discharge (ESD) and ESD protection: ESD can damage disk
drives, add-in boards, and other components. This server can withstand
normal levels of environmental ESD while you are hot-swapping SCSI hard
disk drives. However, we recommend doing all procedures in this manual
only at an ESD-protected workstation. If one is not available, you can
provide some ESD protection by wearing an antistatic wrist strap attached to
chassis ground of the server뾞ny unpainted metal surface뾵hen handling
components.
Installing a Hot Swap Hard Disk Drive
1. Press the latch on the top of the carrier handle down, pull the carrier handle toward you, and
pull the carrier from the chassis.
2. Remove the four screws that hold the air baffle to the carrier.
OM09067
B
A
C
A. Screw (save for reuse (6-32 flat head))
B. Drive carrier
C. Air baffle
Figure 21. Removing the Air Baffle From the Drive Carrier
34 Intel SC5000 Server Chassis Subassembly Product Guide
3. Remove the 3.5-inch hard drive from its wrapper and place it on an antistatic surface.
4. Record the drive model and serial number in your equipment log.
5. Orient the drive as shown in Figure 22.
6. Using the four screws removed earlier, attach the carrier to the drive.
D OM09080
A
B
C
A. Hard drive
B. Drive carrier
C. Screw (6-32 flat head)
D. Positioning rail
Figure 22. SCA Hard Disk Drive and Hot Swap Drive Carrier
Setting Up the Chassis 35
7. Position the drive carrier so it engages the guide rails.
8. Push the drive into the chassis until the tab (Figure 23, B) engages the hole in the drive bay
(Figure 23, A).
9. Push the carrier handle up until the latch clicks.
OM09089
A B
A. Hole
B. Tab
Figure 23. Inserting a Hot Swap Drive
36 Intel SC5000 Server Chassis Subassembly Product Guide
Installing an Add-in Board
You may want to install an operating system before installing any add-in cards. If so, skip this
step and return to it when you are ready.
CAUTIONS
Do not overload the server board by installing add-in boards that draw
excessive current.
Add-in boards can be extremely sensitive to ESD and always require careful
handling. After removing the board from its protective wrapper or from the
server board, place it component side up on a grounded, static free surface or
conductive foam pad뾦f available. Do not slide the board over any surface.
1. Remove and save the snap-in expansion slot cover.
2. Remove the screw for the expansion slot.
3. Remove add-in board from its protective wrapper. Be careful not to touch the components or
gold edge connectors. Place board on an antistatic surface.
4. Record the type and serial number of the add-in board in your equipment log.
5. Set jumpers or switches according to the manufacturer뭩 instructions.
6. Hold board by its top edge or upper corners. Firmly press it into an expansion slot on the
server board. The tapered foot of the board retaining bracket must fit into the slot in the
expansion slot frame.
7. Align the rounded notch in the retaining bracket with the threaded hole in the frame. The
bracket fits the space that was occupied by the slot cover.
8. Use the screw removed earlier. Insert it into the threaded hole, and tighten it firmly. Attach
cables if necessary.
Setting Up the Chassis 37
OM09171
B
C
A
A. Snap-in slot cover
B. Tapered foot
C. Slot
Figure 24. Installing an Add-in Board
Install the Upper Foam Epac
1. If the hot swap bay is installed, connect the SCSI I2C cable to it.
2. Connect data and power cables to the diskette drive.
3. Make sure the fan cables are in their slots in the lower foam epac.
4. The power cables for the lower IDE drive bays run behind the foam epac. If the hot swap bay
is installed, they run over the bay.
5. Place the upper part of the foam epac into the chassis. The SCSI I2C and diskette drive data
cables should lay over it.
6. Press the foam epac into place. You may need to wiggle the fans to get it to sit flush with the
lower foam epac.
7. Tilt the side of the upper foam epac that is against the chassis (the side farthest away from the
power supply) up so it forms an opening between the foam epac and the slotted access cover
support rail on the chassis.
8. Lay the SCSI I2C and diskette drive data cables in this gap on the shoulder of the foam epac.
9. Being careful not to pinch the cables, tilt the foam epac back into place.
38 Intel SC5000 Server Chassis Subassembly Product Guide
Install the Access Cover
1. Place the cover so the tabs go into the slots on the server. The cover should be flush against
the chassis.
2. Slid the cover forward until it stops.
3. Tighten the two captive screws into the rear of the chassis.
OM09170
Figure 25. Installing the Access Cover
Setting Up the Chassis 39
Install the Chassis Feet (Pedestal Mode)
If you are installing this server into a rack system, skip these steps and read the instructions that
came with your rack kit.
1. Move the chassis to the edge of your workbench.
2. Use four screws to attach each foot to the chassis. The holes in the feet will line up with only
one set of holes in the chassis. On the front foot, the middle hole should be towards the front
of the chassis. Hole locations for the front foot are marked 밊? and ?1,2?. On the back foot,
the middle hole should be towards the back of the chassis. Hole locations for the rear foot are
marked 밊?.
3. You are now ready to attach a monitor, keyboard, and mouse to your server, and turn it on.
OM09071
A
B
C
D
A. Screw hole
B. Chassis foot
C. Screw (M4 round head)
D. Workbench
Figure 26. Installing the Chassis Feet
40 Intel SC5000 Server Chassis Subassembly Product Guide
41
3 Working Inside Your Server
This chapter describes how to replace components in your server after it has been set up. All
references to top, sides, and directions in this chapter refer to a chassis in a pedestal mount.
Tools and Supplies Needed
? Phillips (cross head) screwdriver (#2 bit)
? Antistatic wrist strap (recommended)
? Needle-nosed pliers
Safety: Before You Remove the Access Cover
Before removing the access cover for any reason, observe these safety guidelines.
1. Turn off all peripheral devices connected to the server.
2. Turn off the server by pressing the power button on the front of the chassis. Then unplug the
AC power cord from the chassis or wall outlet.
3. Label and disconnect all peripheral cables and all telecommunication lines connected to I/O
connectors or ports on the back of the chassis.
4. Provide some electrostatic discharge (ESD) protection by wearing an antistatic wrist strap
attached to chassis ground뾞ny unpainted metal surface뾵hen handling components.
Warnings and Cautions
These warnings and cautions apply whenever you remove the access cover to access components
inside the server. Only a technically qualified person should integrate and configure the server.
WARNINGS
The power button on the front panel DOES NOT turn off the AC power.
To remove power from server, you must unplug the AC power cord
from the wall outlet or the chassis.
Hazardous electrical conditions may be present on power, telephone,
and communication cables. Turn off the server and disconnect the
power cords, telecommunications systems, networks, and modems
attached to the server before opening it. Otherwise, personal injury or
equipment damage can result.
Hazardous voltage, current, and energy levels are present inside the
power supply. There are no user-serviceable parts inside it; servicing
should be done by technically qualified personnel.
42 Intel SC5000 Server Chassis Subassembly Product Guide
CAUTIONS
ESD can damage disk drives, boards, and other parts. Perform all
procedures in this chapter only at an ESD workstation. If one is not
available, provide some ESD protection by wearing an antistatic wrist strap
attached to chassis ground푔ny unpainted metal surface푥n your server
when handling parts.
Always handle boards carefully. They can be extremely sensitive to ESD.
Hold boards only by their edges. Do not touch the connector contacts. After
removing a board from its protective wrapper or from the server, place the
board component side up on a grounded, static free surface. If you place the
server board on a conductive surface, the battery leads may short out. If
they do, this will result in a loss of CMOS data and will drain the battery.
Use a conductive foam pad if available but not the board wrapper. Do not
slide board over any surface.
For proper cooling and airflow, always install the access cover before
turning on the server. Operating it without the cover in place can damage
system parts.
Replacing Fans
The SC5000 chassis contains two replaceable system fans. The power supply fan(s) are not
replaceable. Your replacement fan should be the same size and type as the fan you are removing.
1. Remove the access cover.
2. Remove the top part of the foam epac.
3. Disconnect the fan cable from the server board.
4. Remove the fan from the lower part of the foam epac.
5. Place the new fan into the foam epac. Make sure the airflow is towards the server board. For
most fans, this means the label should face the server board.
6. Connect the fan cable to the server board.
7. Replace the upper foam epac.
8. Replace the access cover.
Working Inside Your Server 43
Replacing a Power Supply
WARNINGS
Hazardous conditions, power supply: Hazardous voltage, current,
and energy levels are present inside the power supply. There are no
user-serviceable parts inside it; servicing should be done by technically
qualified personnel.
350 Watt Hot Swap Power Supply Modules
1. Turn off the power switch on the module.
2. Loosen the thumbscrew that holds the module in place.
3. Grasp the handle with your right hand, press the latch with your thumb, and pull the power
supply from the chassis.
4. Push the new power supply into the chassis until the latch clicks into place.
5. Tighten the thumbscrew.
6. Turn the power supply on.
OM09063
A
B
C
D
A. Thumbscrew
B. Handle
C. Latch
D. Chassis Cover Thumbscrew
Figure 27. Hot Swapping a Power Supply
44 Intel SC5000 Server Chassis Subassembly Product Guide
350 Watt AC Power Supply Housing
1. Disconnect the A/C power to the power supply.
2. Remove the hot swap modules.
3. Remove the access cover.
4. Disconnect all the power cables.
5. Remove and save the four screws at the rear of the chassis (Figure 28, B).
6. Remove and save the two screws from inside the chassis at the fan end of the power supply
housing (Figure 28, A).
OM09090
B B
B B
A
A
A. Screw locations
B. Screw locations
Figure 28. Replacing the 350 Watt AC Power Supply Module
7. Remove the power supply from the chassis.
8. Remove the two screws that hold the bracket to the power supply.
9. Remove the bracket from the power supply.
Working Inside Your Server 45
OM09183
Figure 29. Removing the 350 Watt Power Supply Bracket
10. Place the bracket on the new power supply and attach it with the two screws removed earlier.
11. Install the new power supply into the chassis.
12. Insert and tighten the six screws (four at the rear, two at the fan end) that hold the power
supply to the chassis.
13. Connect the power cables to the server board and peripherals.
14. Replace the access cover.
15. Reinstall the hot swap modules.
16. Connect the A/C power to the power supply.
46 Intel SC5000 Server Chassis Subassembly Product Guide
300 Watt Power Supply
1. Disconnect the A/C power to the power supply.
2. Remove the access cover.
3. Disconnect all the power cables.
4. Remove and save the four screws that hold the power supply and bracket to the chassis.
5. Remove the power supply and bracket from the chassis.
6. Remove and save the two screws that hold the power supply to the bracket.
7. Install the new power supply onto the bracket using the two screws removed above.
8. Insert the power supply/bracket into the chassis.
9. Insert and tighten the four screws that hold the power supply/bracket to the chassis.
10. Connect the power cables to the server board and peripherals.
11. Replace the access cover.
12. Connect the A/C power to the power supply.
Working Inside Your Server 47
OM10266
A
A
A A
A. Screw locations
Figure 30. Replacing the 300 Watt AC Power Supply
48 Intel SC5000 Server Chassis Subassembly Product Guide
Replacing the Front Panel Board
1. Open the access cover.
2. Disconnect the front panel cable from the server board.
3. Disconnect the Sleep cable.
4. If installed, disconnect the HS Bay I2C cable from the connector on the front panel.
5. Remove and save the three screws holding the front panel board to the chassis.
6. Remove the front panel board from the chassis.
7. Place the new front panel board in the chassis.
8. Insert and tighten the three screws removed earlier.
9. Re-connect the front panel board cables.
10. Replace the access cover.
OM10429
A B CD E F
A. Sleep connector for the L440GX+ server board
B. Front panel connector for the L440GX+ server board
C. Font panel connector for SSI-compliant server boards
D. Secondary hot swap bay I2C connector
E. Primary hot swap bay I2C connector
F. Screw
Figure 31. Replacing the Front Panel Board
Working Inside Your Server 49
Replacing the Hot Swap Backplane and SAF-TE Card
1. Open the access cover.
2. Remove the top part of the foam epac.
3. Remove all of the drive carriers from the hot swap bay.
OM09087
Figure 32. Removing the Hot Swap Drive Carriers
50 Intel SC5000 Server Chassis Subassembly Product Guide
4. Remove and save the six screws holding the hot swap bay to the chassis.
OM09075
Figure 33. Removing the Hot Swap Drive Bay
5. Disconnect the power cables and I2C cable from the hot swap bay.
6. Pull the hot swap bay half way out of the chassis.
7. Disconnect the SCSI cable from the bay.
8. Remove the hot swap bay from the chassis.
Working Inside Your Server 51
9. Remove and save the four screws that hold the backplane to the bay.
OM09066
B
A
C
D
A. Hot swap bay
B. Hot swap backplane
C. Bracket
D. Screw
Figure 34. Removing the Hot Swap Backplane
52 Intel SC5000 Server Chassis Subassembly Product Guide
10. Carefully pull the backplane straight out from the bay. The SAF-TE card is connected to the
backplane and may get damaged if you don뭪 pull it straight out.
OM09182
A
B
C
A. Hot swap backplane
B. Notch for SAF-TE card
C. SAF-TE card
Figure 35. Replacing the Hot Swap Backplane
Working Inside Your Server 53
11. If you are replacing the hot swap backplane, do the following:
a. Remove the SAF-TE card from the old hot swap backplane.
b. Plug the SAF-TE card into the new hot swap backplane.
12. If you are replacing the SAFE-TE card, do the following:
a. Remove the old SAF-TE card from the hot swap backplane.
b. Plug the new SAF-TE card into the hot swap backplane.
OM09181
Figure 36. SAF-TE Card and Hot Swap Backplane
13. Carefully slide the SAF-TE card/hot swap backplane assembly into place on the hot swap bay.
There are two notches on the bay that the SAF-TE card slides through.
14. Place the bracket on the backplane.
15. Insert and tighten the four screws that hold the backplane in place.
16. Slide bay half way into the chassis.
17. Connect the SCSI cable to the backplane.
18. Slide the bay the rest of the way into the chassis.
19. Insert and tighten the six screws that hold the bay in the chassis.
20. Connect the power cables and I2C cable to the backplane.
21. Install the top half of the foam epac.
22. Replace the access cover.
23. Replace the hot swap drives and carriers.
54 Intel SC5000 Server Chassis Subassembly Product Guide
Replacing the Speaker
1. Open the access cover.
2. Disconnect the speaker cable from the server board.
3. Remove and save the two screws holding the speaker to the chassis.
4. Remove the speaker from the chassis.
5. Place the new speaker in the chassis.
6. Insert and tighten the two screws removed earlier.
7. Re-connect the speaker cable.
8. Replace the access cover.
OM10430
B C
A
A. Speaker
B. Speaker bracket
C. Screw
Figure 37. Replacing the Speaker
55
4 Technical Reference
Power Supply Specifications
Input Voltages
300 watt power supply
? 100-120 V~ at 50/60 Hz; 4.6 A
? 200-240 V~ at 50/60 Hz; 2.3 A
350 watt 1+1 power supply
? 100-120 V~ at 50/60 Hz; 6 A
? 200-240 V~ at 50/60 Hz; 3 A
Output Voltages
300 watt power supply
The table below lists the total wattage available from the power subsystem for each voltage. If you
configure your system heavily, ensure that your loads do not exceed the combined total wattage of
300 watts. For information about calculating the power usage for your configuration, see page 67.
Table 2. Power Supply System Output Capability
Voltage Maximum Current
+3.3 V 16 A
+5.0 V 26 A
-5 V .25 A
+5V Standby 800 mA
+12.0 V 10 A sustained
13 A/12 sec peak
?12.0 V .5 A
CAUTION
Do not exceed a combined power output of 167 watts for the +5 V and +3.3 V
outputs. Exceeding a combined 167 watts will overload the power subsystem
and may cause the power supplies to overheat and malfunction.
The expansion slots on the server board are rated for no more than 25W for any one slot. The
average current usage per slot should not exceed 13 watts.
56 Intel SC5000 Server Chassis Subassembly Product Guide
350 watt power supply
The table below lists the total wattage available from the power subsystem for each voltage. If you
configure your system heavily, ensure that your loads do not exceed the combined total wattage of
350 watts. For information about calculating the power usage for your configuration, see page 67.
Table 3. Power Supply System Output Capability
Voltage Maximum Current
+3.3 V 28 A
+5.0 V 32 A
-5 V NA
+5V Standby 2000 mA
+12.0 V 12 A sustained
15 A/12 sec peak
?12.0 V .5 A
CAUTION
Do not exceed a combined power output of 195 watts for the +5 V and +3.3 V
outputs. Exceeding a combined 195 watts will overload the power subsystem
and may cause the power supplies to overheat and malfunction.
The expansion slots on the server board are rated for no more than 25W for any one slot. The
average current usage per slot should not exceed 13 watts.
Environmental Specifications
Table 4. Environmental Specifications
Temperature
Non-operating
Operating
?40? to 70 캜
5? to 35 캜; derated 0.5 캜 for every 1000 ft (305 m) to a maximum
of 10,000 ft
Humidity
Non-operating 95% relative humidity (non-condensing) at 30 캜
Shock
Operating
Packaged
2.0 g, 11 msec, 1/2 sine
Operational after a 24? free fall, although cosmetic damage may be present
Acoustic noise 300W Supply: <47 dBA
350W Supply: <50dBA
@ 18? to 28 캜 (65? to 82 캟) with six internal hard disk drives (measured at
one meter from the chassis with the peripherals active). The noise of the
variable speed power supply fans will increase with temperature and power
load. Your selection of peripherals may change the noise level.
Electrostatic discharge (ESD) Tested to 15 kilovolts (kV); no component damage
57
5 Regulatory Information
WARNING
You must adhere to the assembly instructions in this guide to ensure
and maintain compliance with existing product regulations. Use only
the described, regulated components specified in this guide. Use of
other products / components will void the UL listing of the product, will
most likely void other compliance markings provided, and may result in
noncompliance with product regulations in the region(s) in which the
product is sold.
Regulatory Compliance
The SC5000 chassis subassembly, when correctly integrated per this guide, complies with the
following safety and electromagnetic compatibility (EMC) regulations.
Safety Compliance
? UL 1950 - CSA 950 (US/Canada)
? EN 60 950 (European Union)
? IEC60 950 (International)
? CE ? Low Voltage Directive (73/23/EEC) (European Union)
? EMKO-TSE (74-SEC) 207/94 (Nordics)
EMC Compliance
? FCC (Class B) ? Radiated & Conducted Emissions (USA)
? ICES-003 (Class B) ? Radiated & Conducted Emissions (Canada)
? CISPR 22 (Class B) ? Radiated & Conducted Emissions (International)
? EN55022 (Class B) ? Radiated & Conducted Emissions (European Union)
? EN50082-1 (Immunity) (European Union)
? VCCI (Class B) ? Radiated & Conducted Emissions (Japan)
? AS/NZS 3548 (Class B) ? Radiated & Conducted Emissions (Australia)
? CE ? EMC Directive (89/336/EEC) (European Union)
58 Intel SC5000 Server Chassis Subassembly Product Guide
Regulatory Compliance Markings
This product is provided with the following Product Certification Markings.
? UL & cUL Listing Mark
? CE Mark
? The CE marking on this product indicates that it is in compliance with the European
community뭩 EMC (89/336/EEC) and low voltage directives (73/23/EEC)
? NEMKO Mark
? German GS Mark
? Russian GOST Mark
? FCC, Class B Markings (Declaration of Conformity)
? ICES-003 (Canada EMC Compliance Marking)
? VCCI, Class B Mark
? Australian C-Tick Mark
? Taiwan BSMI Class A Markings
Electromagnetic Compatibility Notices
FCC Declaration of Conformity (USA)
Product Type: HUD
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
Intel Corporation
5200 N.E. Elam Young Parkway
Hillsboro, OR 97124-6497
Phone: 1-800-628-8686
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio fr

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