Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 144

Maintenance and Trouble Clearing
FJTU-320-515-480
4.12.2 Procedure—Removing the Optical Unit
Step 1 Using both hands, squeeze the lever lock tabs toward the levers and rotate the top
and bottom extractor levers. Slide the unit out until the secondary latch engages
(a little less than half way out of the slot).
Step 2 Disconnect the optical fibers. Refer to Section 5.1, Handling Fiber Cables.
Step 3 If needed, install necessary optical connector cover on the fiber jumper.
Step 4 Lift the metal spring of the secondary latch and pull the unit out.
Step 5 Are there more optical channel units (HC1A and MC6A) to be removed from the
shelf?
Repeat procedure from Step 1 of
Removing the Optical Channel Unit.
Issue 9, May 1999
If Yes:
FNC and FNC Customer Use Only
4.12: Replacing the OC-3 Optical Channel (HC1A
If No:
You have completed this procedure.
and MC6A) Units
Vol. ll, Page 480.4-52