Cables and Pin Assignments
C-6
7970-A2-GB20-00
August 1999
DSX-1/G.703 Network Interface
The G.703 interface is either two BNC connectors (Transmit and Receive) for a
75-ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular
connector for a 120-ohm balanced interface (Table C-4, Figure C-4).
The DSX-1 network interface is an RJ48C, 8-position, unkeyed modular
connector for a 100-ohm balanced interface (Table C-4, Figure C-4).
Table C-4.
T1 100-Ohm/E1 120-Ohm
Balanced Interface Connector
Signal
Pin Number
Receive Ring
1
Receive Tip
2
Receive Shield
3
Transmit Ring
4
Transmit Tip
5
Transmit Shield
6
Figure C-4.
T1 100-Ohm/E1 120-Ohm Network Interface Adapter Cable
(Feature Number 3100-F1-517)
Содержание Hotwire 7974
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