B&B Electronics 850-14200--95 - Manual User Manual

Page 17

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 Repeater module Loopback to None

(DIP Switch S3-3=On and S3-4=On)

2. Set the Remote iMcV-T1/E1/J1 Repeater module to Analog Loopback

(DIP Switch S3-3=On and S3-4=Off).

This configuration allows the user to test the path from the CO copper port to the
Remote iMcV-T1/E1/J1 Repeater module copper port and loop it back. The
transmitted data is sent unhindered and the received data is ignored.

After the user has confirmed the integrity of these data paths, the user 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 PRBS section for more information).

Testing with Pseudorandom Bit Sequence (PRBS)

To test the copper segment from the Remote module to the Customer Premises
Equipment (CPE) by using PRBS, perform the following:
1. Set the CPE to loopback the signal.

2. Set the Remote module to generate PRBSs

(DIP Switch S2-9=On and S2-10=Off).