5.4.3 MMBs
Figure 5–4 shows the locations of the MMBs. Table 5–5 describes the removal
procedure.
Figure 5–4 MMB Locations
M R - 0 4 1 4 - 9 2 D G
Mounting
Bracket
Screws
Mounting
Bracket
MMB3
MMB0
MMB1
MMB2
CPU Module
Mounting
Bracket
Table 5–5 MMB Removal Procedure
Step
Action
1
Ask the operator or system manager to shut down the zone using the procedure
in Section 5.3.2.
2
Open the front door of the cabinet.
3
Remove the CPU module using the procedure in Table 5–3.
4
The MMBs are tension mounted on the CPU module with two screws. These
screws are located on the MMB mounting brackets. Loosen one screw by
turning it two or three times. Then loosen the other screw the same way.
Alternate between the two screws until the MMB is free from the CPU module.
(continued on next page)
Error Handling and Analysis 5–9