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Remote Fiber Loopback Mode
To set the loopback testing mode to Remote Fiber Loopback Mode, perform the
following:
1.
Set the Local iMcV-T1/E1/J1 module Loopback to
None
(DIP switch S3-3=On and S3-4=On)
2.
Set the Remote iMcV-T1/E1/J1 module to
Local
Loopback
(DIP switch S3-3=Off and S3-4=On).
This configuration allows you to test the path from the CO copper port to the Remote
iMcV-T1/E1/J1 module fiber port and loop it back. The transmitted data is sent
unhindered and the received data is ignored.
Remote Copper Loopback Mode
To set the loopback testing mode to Remote Copper Loopback Mode, perform the
following:
1.
Set the Local iMcV-T1/E1/J1 module Loopback to
None
(DIP switch S3-3=On and S3-4=On)
2.
Set the Remote iMcV-T1/E1/J1 module to
Analog
Loopback
(DIP switch S3-3=On and S3-4=Off).
This configuration allows you to test the path from the CO copper port to the Remote
iMcV-T1/E1/J1 module copper port and loop it back. The transmitted data is sent
unhindered and the received data is ignored.
After you have confirmed the integrity of these data paths, you can activate the PRBS
data generator on the Remote module and place a loopback on the customer
premise equipment to test the final copper segment (refer to the
Testing with
Pseudorandom Bit Sequence (PRBS)
section for more information).
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