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Cables and Pin Assignments
C-2
7986-A2-GB20-00September 1998
E1 Network Interface
The E1 network interface is either two BNC connectors (Transmit and Receive)
for a 75-ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular
connector (Table C-1, Figure C-1) for a 120-ohm balanced interface.
Table C-1. E1 120-Ohm Balanced Interface
Connector
Signal
Pin Number
Receive Ring 1
Receive Tip 2
Receive Shield 7
Transmit Ring 4
Transmit Tip 5
Transmit Shield 8
Figure C-1. E1 120-Ohm Network Interface Adapter Cable
(Feature Number 3100-F1-517)