Multi-Tech Systems Hub - Manual (Page 21)

CommPlete 4000 Communications Server User Guide 21
Chapter 4 - Hardware removal/Replacement
Board Removal and Replacement
Removing SBC Board
1 Remove the CommPlete 4000 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 persons
to remove its rack-mounting screws and lift the unit out of the rack.
2 Remove the top cover from the CommPlete 4000 by removing the seven cover mounting
screws located in the back of the CommPlete 4000. (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.
COMA1
LANB1
USBF2
KCN1
PKM1
VGAA1
SC2T2
COMB1
LNB1
SM1
PLRS1
LPTA1
IDEB1
FDCA1
ATXD1
SC2T1
USBF1
FAN1
SCF1
PSW1
LVDSE1
VLCD1
IDEB2
KBPW1
South
Bridge
North
Bridge
CMOS1
IRDA1
DIMMA1 DIMMA2 DIMMA3
SBVB1
SLVA1
FAN2
CPU
Figure 4-6. SBC Board and Ribbon Cable Connectors
4 Remove the fanned heatsink from the processor or disconnect the power connector for the
fanned heatsink.
5 Remove the screw that secures the SBC board to the chassis at the back of the CommPlete
4000.
6 Remove the SBC board from the midplane.
7 To replace the SBC board, verify SBC board configuration. Refer to the Hardware
Configuration and Installation instructions in the SBC manual.
8 Install the new SBC board by following steps 1-5 in reverse order and sense. That is,
a. Attach SBC to its midplane socket.
b. Secure SBC to rear of chassis with screw.
c. Re-connect ribbon cables and fanned heatsink.
d. Replace top cover (7 screws).
e. (Two people are needed.) Replace CommPlete 4000 into rack enclosure.