NT5D11 and NT5D14 Lineside T1 Interface cards Page 205 of 894

Table 81 shows the pin assignments when using the NT5D13AA lineside T1 I/O cable.

Table 81

Lineside T1 card – NT5D13AA connector pinouts (Part 1 of 2)

 

 

NT5D13AA

 

 

 

Lineside

 

I/O panel

 

T1 I/O

Lineside T1 cable

connector

 

connector

connector to external

pin

Lead designations

pin

equipment

 

 

 

 

1

T1 Tip Receive Data

11

DB15 male to T1 (P2)

 

 

 

Lineside T1 card is CPE

26

T1 Ring Receive Data

3

transmit to network and

 

 

 

2

T1 Tip Transmit Data

1

receive from network

 

 

 

 

27

T1 Ring Transmit Data

9

 

 

 

 

 

3

Alarm out common

1

DB9 male to external alarm (P3)

 

 

 

 

28

Alarm out (normally open)

2

 

 

 

 

 

4

Alarm out (normally closed)

3

 

 

 

 

 

7

Towards MMI terminal

2

DB9 male towards MMI (P5)

 

Receive Data

 

Wired as DCE

 

 

 

Data is transmitted on pin 2 (RXD)

31

Towards MMI terminal

3

 

 

Transmit Data

 

and received on pin 3 (TXD)

 

 

 

 

33

Ground

5

 

 

 

 

 

8

Control 1

7

 

 

 

 

 

32

Control 2

9

 

 

 

 

 

Circuit Card Description and Installation

Page 205
Image 205
Nortel Networks 553-3001-211 manual Lineside T1 card NT5D13AA connector pinouts Part 1