Motorola MTR2000 T5544 Instruction / Field Service Manual page 146

Troubleshooting
Replacing Auxiliary I/O Board
32
Replacement Procedure
1. Turn off station power by turning off breaker at ac source.
2. Ensure that an ESD cable is connected to the station.
3. Remove Auxiliary I/O Board from middle (Option Cart #1) or bot-
tom (Option Card #2) card slot by carefully pulling straight out from
the station. Use the Option Card tool (part # 6683334X01) to pull the
card out. Make sure that the board is placed on properly grounded
anti-static surface.
4. Ensure that the correct Auxiliary I/O Board is being installed.
5. Set all jumpers on replacement board to match those on the faulty
board. Refer to Auxiliary I/O Board section of this manual for more
information.
6. Install replacement Auxiliary I/O Board by sliding board into mid-
dle or bottom option card slot, and firmly seating the board Euro-
card connector into the mating backplane connector. (Do not slam the
board against the backplane or push any harder than necessary to
seat the connectors.)
7. Restore power to the station.
Post-Replacement Optimization Procedure
1. Perform the Auxiliary I/O adjustment procedures located in the RSS
Service menu online help facility. Ensure that the Auxiliary I/O
Board is aligned according to auxiliary equipment specifications.
68P81096E17-E
09/30/05