T1 Network Interface; T1 Network Cable (Feature No. 3100-F1-500; Canadian T1 Line Interface Cable (Feature No. 3100-F1-510 - Paradyne 7123 User Manual

C. Connectors, Cables, and Pin Assignments

T1 Network Interface

The T1 network interface/connector is an RJ48C 8-position keyed modular jack.

T1 Network Cable (Feature No. 3100-F1-500)

Network access is via a 20-foot cable with an RJ48C unkeyed plug-type connector
on each end. The following table shows pin assignments and the purpose of each.
This cable comes with the DSU/CSU.

Canadian T1 Line Interface Cable (Feature No. 3100-F1-510)

The T1 line interface cable is used in Canada as an interface between the
DSU/CSU's network connector and the T1 network interface. The following shows
pin assignments and the purpose of each.
C-2
Function
Receive Ring
Receive Tip
Transmit Ring
Transmit Tip
RJ48C
Plug
Unkeyed
Blue
Receive Ring 1
Receive Tip 2
White/Blue
3
Orange
Transmit Ring 4
Transmit Tip 5
White/Orange
6
7
September 2001
Circuit Direction
R1 From Network
T1 From Network
R To Network
T To Network
DA15P
Blue
White/Blue
Orange
White/Orange
Pin Number
1
2
4
5
Plug
11 Receive Ring
3 Receive Tip
9 Transmit Ring
1 Transmit Tip
98-16215
7123-A2-GB20-00