IBM 7133 D40, Руководство по обслуживанию

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i. Refer to Figure 56.
j. Connect the wrap cable
1
to the connectors of the multi-mode
conditioner.
k. Go to step 11.
Step 11. (from step 10)
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 main 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.
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.
P
a
rt
Number nnnnnnn
Class
1 Laser
Product
FCC Class
A - See Man
ual
1
Equipment
Cable
Plant
Figure 56. Wrapped Multi-Mode Conditioner
Chapter 2. Problem Determination Procedures
123