IBM 7133 D40, Service Manual

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Step 18. (from step 17)
a. Remove the wrap cable from the optical extender, and do whichever of
the two following actions is appropriate:
v
If the wrap cable is 400 mm (15 in.) long, connect each of its ends to
the wrap adapter to make a closed loop.
v
If the wrap cable is 150 mm (6 in.) long, connect one end to the wrap
adapter, then install a protective cover at each end of the complete
wrap cable and adapter assembly.
b. Place the wrap cable and adapter assembly into its plastic bag, and
return it to the place where it is normally kept.
c. Observing the identifications of the fibre optic cables, reconnect the
cables to the optical extender.
Is the Ready light flashing?
NO The problem is in the 7133 or in the SSA attachment. Go to “MAP
2010: 7133 Models D40 and T40 – START” on page 87.
YES
a. Disconnect the fibre optic cables from the optical extender.
b. Exchange the optical extender for a new one.
c. Observing the identifications of the fibre optic cables, connect the
cables to the new optical extender.
d. Go to “MAP 2410: 7133 Models D40 and T40 – Repair
Verification” on page 131 to verify the repair.
Chapter 2. Problem Determination Procedures
129