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Chapter 4
Turn Up and Test
Remove the fiber jumper cable from the A side and verify that the Active LED on the A side goes out
Step 14
and the B-side switches from Standby to Active. Complete Step
Replace the jumper on the A side and verify that the A green Standby LED is illuminated and that the B
Step 15
Active LED remains illuminated. Complete Step
Procedure: Test the Bit Error Rate (Single SCU)
Continue with the following steps, if applicable, to test the bit error rate for a single SCU.
Test the A-side protected channel:
Step 16
a.
b.
c.
Test the B-side protected channel or unprotected channel:
Step 17
a.
b.
c.
Reset the original switchmode settings
Step 18
Procedure: Test the Bit Error Rate (Multiple SCUs at a Site)
Continue with the following steps to test the bit error rate for multiple SCUs at a site.
Step 19
Configure the SCUs for testing:
a.
b.
c.
78-13765-01
Remove the jumper cable from the B-side input and verify that the A side is Active.
Reconnect the B-side jumper cable. Verify that the A-side Active LED and the B-side Standby LED
are illuminated.
Clear all errors on the test set and run the BER test error-free for 15 minutes. Complete Step
Table B-11 on page
B-7.
Remove the jumper cable from the A-side input. For a protected SCU or an uprotected SCU
configured as 0/100, verify that the B side is Active. For an unprotected SCU configured as 100/0,
verify that neither the A side or B side is Active.
Reconnect the A-side jumper cable. F or a protected SCU, verify that the B-side Active LED and
the A-side Standby LED are illuminated. For an unprotected SCU configured as 0/100, the B-side
Active will be illuminated with no Standby, and for an unprotected SCU configured as 100/0, the
A-side Active will be illuminated with no Standby.
Clear all errors on the test set and run the BER test error-free for 15 minutes. Complete Step
Table B-11 on page
B-7. The turn up and test for a single ONS 15201 SCU is complete.
Connect the signal generator transmit fiber to the client INPUT port of the bottom SCU.
Connect the receive of the signal generator to the bottom SCU client-side OUTPUT port.
Daisy-chain client INPUT and OUTPUT ports of all other SCUs together as shown in
14
15
in
Table B-11 on page
(Table B-16 on page
B-8).
Cisco ONS 15200 Installation, Setup, and Test Manual
in
Table B-11 on page
B-7.
B-7.
Figure
16
in
17
in
4-7.
4-17
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