IBM 2027-R04, Installation And Service Manual

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71 Chapter 5: Removal and replacement procedures
4. Block communication to the port.
5. Disconnect the fiber-optic jumper cable from the port:
a. Pull the keyed LC connector free from the port’s optical
transceiver.
b. Place a protective cap over the jumper cable connector.
6. The optical transceiver has a wire locking bale to secure the
transceiver in the port receptacle and to assist in removal. The
locking bale rotates up or down, depending on the transceiver
manufacturer and port location.
a. Disengage the locking mechanism by rotating the wire locking
bale up or down 90 degrees.
Replacement
To replace an SFP optical transceiver:
1. Remove the replacement transceiver from its packaging.
2. Insert the transceiver into the port receptacle, then engage the
locking mechanism by rotating the wire locking bale up or down
90 degrees.
3. Perform an external loopback test on the port. See
Performing a
loopback test
on page 60.
4. Reconnect the fiber-optic jumper cable:
a. Remove the protective cap from the cable connector and the
protective plug from the port’s optical transceiver. Store the cap
and plug in a suitable location for safekeeping.
b. Clean the jumper cable and transceiver connectors. Refer to
Cleaning fiber-optic components
on page 61 for instructions.
c. Insert the keyed LC cable connector into the port’s optical
transceiver.
5. Activate the port to restore communications.
6. Ensure the LED adjacent to the port transceiver is off.
7. Review in either Element Manager or SANvergence Manager to
verify the error has been corrected.