IBM 7133 D40, Service Manual

Page: 137 / 306

Note: If the problem remains, find another wrap cable and
adapter assembly, and repeat this step. The original wrap
cable might have failed.
YES
a. Remove the wrap cable from the multi-mode conditioner, 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 main fibre optic cables,
reconnect those cables to the multi-mode conditioner.
d. Go to step 9.
Chapter 2. Problem Determination Procedures
119