24 Service Manual (AA-RTDXC-TE, July 2004)

FRU Removal and Replacement

194 Edge Switch 2/24 Service Manual

Procedural Notes

Note the following:

1. Read the removal and replacement procedures (RRPs) for that FRU before

removing the FRU.

2. Follow all WAR N I N G and CAUTION statements and statements in the

preface of this manual.

3. After completing a FRU replacement, clear the event code reporting the

failure and the event code reporting the recovery from the switch Event Log

(at the HAFM appliance). Extinguish the amber system error (ERR)

light-emitting diode (LED) at the switch front panel.

Remove and Replace FRUs

This section describes procedures to remove and replace concurrent switch FRUs,

along with tools required to perform each procedure. Concurrent FRUs are

removed and replaced while the switch is powered on and operational.

Table 24 lists concurrent FRUs that are removed and replaced while the switch 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.

Table 24: Concurrent FRUs

Concurrent FRU Name

ESD Precaution

Requirement

Small form factor pluggable (SFP) optical

transceiver

Redundant power supply (with internal

cooling fans)