IBM TotalStorage SAN256N Director 2045-N16, Installation And Maintenance Manual, Page: 101 / 157

Chapter 5. Hardware maintenance procedures
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Figure 35. TCM board replacement
1. Loosen the spring-loaded captive screw from the top and bottom TCM card ejector
latches.
2. Grasp both the top and bottom card ejector latches; pull the card ejector latch tabs
forward to unlatch the TCM board from the midplane.
3. Using the card ejector latch tabs, pull and slide the TCM board out from the
SAN256N chassis slot guides.
Installing a TCM module
1. Remove the new TCM board from plastic antistatic bag and place defective TCM in
the plastic antistatic bag.
2. Align the edge of TCM board with chassis slot guides; carefully push and slide the
board into SAN256N chassis but do not seat the TCM into the backplane connector.
3. Connect any cable previously removed from the failed TCM board.
4. Secure the TCM by pushing the board forward until it connects firmly against the
backplane.
TCM Module
Ejector / Latch
Ejector / Latch
Latch Closed
Latch Screw
Latch Closed
Latch Screw