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D20MX Processor
Chapter 7: Servicing the D20MX
Performing periodic inspection
Removing the D20MX processor module
To remove the D20MX
from a D20 chassis
D20MX HARDWARE USER'S MANUAL
Servicing the D20MX
The D20MX does not require scheduled maintenance.
This chapter describes how to inspect the unit and remove the D20MX processor.
Periodic inspection is recommended to ensure that:
•
The device has sustained no accidental physical damage
•
Connectors and cables are intact and firmly attached
The D20MX can be removed from a non-VME (GE part number 500-0305) or VME (GE part
number 500-0280) D20 chassis.
1.
Ensure that you are sufficiently grounded to prevent ESD damage to the D20MX or
other components. See section: "Grounding the D20MX" on page 38.
1.
Power down the D20 and disconnect the power supply.
2.
Disconnect all communication cables from the front panel of the D20MX and the
backplane of the D20 chassis.
3.
Loosen the front panel retaining screws.
4.
Remove the blank plates located above and below the D20MX.
5.
Slide the D20MX partially out.
6.
For the D20MX Non-VME with Dual 100Base-FX Fiber Optic Card (526-3005LF) only:
6.1.
Disconnect the 975-1236 cable (connecting the fiber optic daughter card) from
connectors J3 and J4 on the D20MX processor module.
6.2.
Loosen the D20MX fiber card front panel retaining screws.
6.3.
Carefully slide out the D20MX fiber card partially.
GE INFORMATION
87
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