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To wire out the E7-2 subscriber line interfaces
1. Route the 25-pair equipment interface cables (RJ-21 connectors) to the rear of the E7-2
shelf.
2. On the rear of the E7-2, terminate the interface cable(s) for slot 1 to the RJ-21 connector
labeled P1 or P2 and the interface cable(s) for slot 2 to the RJ-21 connector labeled P3 or
P4, as required for the installed line card(s). See Cable assignments above for more
information.
For an RJ-21 male connector with a 110-degree exit, do the following:
a. Insert the RJ-21 male connector into the female connector on the back of the
E7-2 shelf.
b. Tighten the screws on each side to secure the connector.
For an RJ-21 male connector with a 90-degree exit, do the following:
a. Using a 4-40 screw, attach a cable tie mount to the right side of the shelf RJ-21
female connector as shown.
b. Insert the RJ-21 male connector into the female connector on the back of the
E7-2 shelf.
c. Secure the connector by tightening the screw at the bottom of the connector and
attaching a tie wrap at the top of the connector.
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