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Procedure: Check Optical Protection
Continue with the following steps to check optical protection.
Set the switchmode for all CLIP modules to automatic:
Step 11
a.
b.
c.
d.
e.
f.
g.
Remove the fiber jumper cable from the LM A-side INPUT and verify that the Active LED on the A side
Step 12
goes out and the B side switches from Standby to Active on each CLIP module. Complete Step
Table B-4 on page
Step 13
Reconnect the jumper cable on the A side and verify that the A-side green Standby LED is illuminated
on each CLIP module and that the B-side Active LED remains illuminated. Complete Step
Table B-4 on page
Step 14
Remove the fiber jumper from the LM B-side INPUT and verify that the Active LED on the B side turns
off. Verify that the A side switches from Standby to Active on each CLIP module. Complete Step
Table B-4 on page
Step 15
Reconnect the jumper cable on the B side and verify that the B-side green Standby LED is illuminated
on each CLIP module and that the A-side Active LED remains illuminated. Complete Step
Table B-4 on page
Before continuing with the bit error rate testing, complete the following:
Step 16
•
•
•
Procedure: Test the Bit Error Rate
Continue with the following steps (as applicable) to test the BER.
The maximum number of spans is six for a 3R CLIP, and two for a 2R CLIP.
Note
To test bit error rate on unprotected modules, clear all errors on the test set and run BER tests error free
Step 17
for 15 minutes. Complete Step
Cisco ONS 15200 Installation, Setup, and Test Manual
4-12
Record the current switchmode setting for each CLIP module in
need to revert to the original switchmode setting after checking the bit error rate.
At the NCB:> prompt, type
module) and press Enter.
Type
and press Enter.
cd dwdm
Type
and press Enter.
list value
Type
switchmode automatic
Type
to quit the CLIP module.
exit
Repeat Steps
a–f
for all CLIP modules.
B-2.
B-2.
B-2.
B-2.
Verify that all the CLIP modules are still in a daisy chain.
Verify that the first CLIP module client IN port is connected to the output of the test set, and the last
CLIP module OUT port returns to the test set receive port.
Verify that the LM A-side IN port is connected to the LM A-side OUT port, and the LM B-side IN
port is connected to the B-side LM OUT port.
(where xxx is the serial number of the CLIP
conf clip clip_xxx
and press Enter.
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in
Table B-4 on page
B-2.
Chapter 4
Turn Up and Test
Table B-10 on page
B-6. You will
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in
15
in
78-13765-01
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