IBM 7133 D40, Service Manual

Page: 136 / 306

g. Refer to Figure 49.
h. Disconnect the wrap cable
1
from the wrap adapter
2
.
i. Refer to Figure 50.
j. Connect the wrap cable
1
to the connectors of the multi-mode
conditioner.
k. Go to step 8.
Step 8. (from step 7)
Does the Receive light of the optical extender come on?
NO
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. Exchange the multi-mode conditioner for a new one.
d. Observing the identifications of the fibre optic cables, connect the
cables to the new multi-mode conditioner.
e. Go to “MAP 2410: 7133 Models D40 and T40 – Repair
Verification” on page 131 to verify the repair.
1 2
Figure 49. Wrap Cable and Wrap Adapter
P
a
rt
Number nnnnnnn
Class
1 Laser
Product
FCC Class
A - See Man
ual
1
Equipment
Cable
Plant
Figure 50. Wrapped Multi-Mode Conditioner
118
7133 Models D40 and T40 Service Guide