Cables and Pin Assignments

T1 Network Interface

The T1 network interface is an RJ48C, 8-position, unkeyed modular connector for a 100-ohm balanced interface (Table C-1, Figure C-1).

Table C-1. T1 100-Ohm Balanced Interface

Connector

Signal

Pin Number

 

 

Receive Ring (Data out from 7974)

1

 

 

Receive Tip (Data out from 7974)

2

 

 

Receive Shield

7

 

 

Transmit Ring (Data in from 7974)

4

 

 

Transmit Tip (Data in from 7974)

5

 

 

Transmit Shield

8

 

 

8-Position

Modular

Plug Unkeyed

DB15

Socket

Receive Ring

Receive Tip

Shield Ground

Transmit Ring

Transmit Tip

Shield Ground

1

2

7

4

5

8

3

6

Twisted Pair

Twisted Pair

No Connection

No Connection

11Receive Ring

3 Receive Tip

2 Shield Ground

9Transmit Ring

1Transmit Tip

4 Shield Ground

98-16139

Figure C-1. T1 Network Interface Adapter Cable (Feature Number 3100-F1-517)

C-2

February 1999

7984-A2-GB20-10

Page 108
Image 108
Paradyne HOTWIREt 7984 manual T1 Network Interface, Position Modular Plug Unkeyed DB15 Socket