Service manual

Removing and Replacing FRUs

5-5

Removal and Replacement Procedures (RRPs)

Concurrent FRUs

Table 5-2 lists the concurrent FRUs. Concurrent FRUs are removed

and replaced while the director is powered on and operational. The

table also lists ESD precautions (yes or no) for each FRU, and

references the page number of the removal and replacement

procedure.

Nonconcurrent FRUs

Table 5-3 lists the nonconcurrent FRUs. Nonconcurrent FRUs are

removed and replaced after the director is powered off. The table also

lists ESD precautions (yes or no) for each FRU, and references the

page number of the removal and replacement procedure.

Table 5-2 Concurrent FRUs

Concurrent FRU Name ESD Precaution Requirement Page

Cable management assembly No 5-6

Control processor (CTP2) card Yes 5-8

Universal port module (UPM) card Yes 5-13

Small form factor pluggable (SFP) optical transceiver Tes 5-18

UPM filler blank No 5-22

Power supply Yes 5-24

Radio frequency interference (RFI) shield No 5-28

Serial crossbar (SBAR) assembly Yes 5-29

Fan module Yes 5-33

Table 5-3 Nonconcurrent FRUs

Nonconcurrent FRU Name ESD Precaution Requirement Page

Power module assembly Yes 5-37

Backplane Yes 5-41