Table of Contents
Advertisement
Page 102 of 290
Table 25
Line-side T1 card—NT5D13AA Connector pinouts
I/O Panel
Connector
Lead Designations
Pin
1
T1 Tip Receive Data
26
T1 Ring Receive Data
2
T1 Tip Transmit Data
27
T1 Ring Transmit Data
3
Alarm out common
28
Alarm out (normally open)
4
Alarm out (normally closed)
7
Towards MMI terminal
Receive Data
31
Towards MMI terminal
Transmit Data
33
Ground
8
Control 1
32
Control 2
33
Ground
8
Control 1
32
Control 2
30
Away from MMI terminal
Transmit Data
6
Away from MMI terminal
Receive Data
553-3001-105 Standard 5.00 June 1999
NT5D11 Line-side T1 Interface Card
NT5D13AA
Line-side
Line-side T1 cable
T1 I/O
connector to external
Connector
equipment
Pin
11
DB15 male to T1 (P2)
3
Line-side T1 card is CPE
transmit to network and
1
receive from network
9
1
2
DB9 male to external alarm (P3)
3
2
3
DB9 male towards MMI (P5)
Wired as DCE
Data is transmitted on pin 2 (RXD)
5
and received on pin 3 (TXD)
7
9
5
7
DB9 female away from MMI (P4)
9
Wired as DTE
Data is transmitted on pin 2 (TXD)
3
and received on pin 3 (RXD)
2
Advertisement
Chapters
Table of Contents
