Multitech MultiVOIP MVPGK1 Gatekeepers, Hardware User'S Manual

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MultiVOIP Gatekeeper User Guide
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Chapter 5 - Hardware Removal/Replacement
Board Removal and Replacement
Removing SBC Board
1 Remove the Gatekeeper from rack enclosure (two people are needed). Follow the
procedure “Disconnecting Cables and Removal from Enclosure” presented above.
Summary: after powering down the unit and disconnecting all power and signal cables,
employ two people to remove its rack-mounting screws and lift the unit out of the rack.
2 Remove the top cover from the Gatekeeper by removing the seven cover mounting
screws located in the back of the Gatekeeper. (See Figure 4-3.)
3 Disconnect the four ribbon cables from the SBC. (See Figure 4-6.) Depending on
your configuration, you may not have all four ports in use.
SIMM 1
SIMM 2
SIMM 3
SIMM 4
6xx86
CPU
JP1
JP
8
JP
9
JP2
JP
3
Chipset
Chipset
JP4
IDE 1
IDE 2
FDD
PRT
COM
2
VGA
COM 1
PWR
KB/
Mouse
JP11
Panel
JP12
JP14
RST
JP7 KBL JP6 EXKB
Flash
Disk
SIO
KB
BIOS
Flash
BIOS
GND
VRAM
VRAM
PC-104
Real Time
Clock
USB
HDL
SPK JP10 JP13
Printer Port
Connector
COM 2
Connector
Hard Drive
Connector
Floppy Drive
Connector
Fanned
Heatsink
Location
Figure 4-6. SBC Board and Ribbon Cable Connectors
4 Remove the fanned heatsink from the processor.
5 Remove the screw that secures the SBC board to the chassis at the back of the
Gatekeeper, then unplug (remove) the SBC board from the midplane.
6 To replace the SBC board, verify SBC board configuration. Refer to the Hardware
Configuration and Installation instructions in the SBC manual.
7 Install the new SBC board by following steps 1-5 in reverse order and sense. That is,
a. Attach SBC to its midplane socket and secure SBC to rear of chassis with screw.
b. Re-connect ribbon cables and reinstall fanned heatsink.
c. Replace top cover (7 screws).
d. (Two people are needed.) Replace Gatekeeper into rack enclosure.