T1 connections – Nortel Networks 1000 User Manual
Page 204
204
NT5D11 and NT5D14 Lineside T1 Interface cards
Table 86
Lineside T1 card - NT5D13AA Connector pinouts
I/O Panel
Connector
Pin
Lead Designations
NT5D
13AA
Lineside
T1 I/O
Conn
ector
Pin
Lineside T1 cable
connector to external
equipment
1
T1 Tip Receive Data
11
26
T1 Ring Receive Data
3
2
T1 Tip Transmit Data
1
DB15 male to T1 (P2)
Lineside T1 card is CPE
transmit to network and
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
Receive Data
2
31
Towards MMI terminal
Transmit Data
3
DB9 male towards MMI
(P5)
Wired as DCE
Data is transmitted on pin 2
(RXD) and received on pin
3 (TXD)
33
Ground
5
8
Control 1
7
32
Control 2
9
33
Ground
5
8
Control 1
7
32
Control 2
9
DB9 female away from
MMI (P4)
Wired as DTE
Data is transmitted on pin 2
(TXD)and received on pin 3
(RXD)
30
Away from MMI terminal
Transmit Data
3
6
Away from MMI terminal
Receive Data
2
T1 connections
T1 signaling for all 24 channels is transmitted over P2 connector pins 1, 3,
9, and 11 as shown in
Table 86 "Lineside T1 card - NT5D13AA Connector
. Plug the DB15 male connector labeled "P2" into the
T1 link. T1 transmit and receive pairs must be turned over between the
Lineside T1 card and CPE equipment that is hardwired without carrier
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
02.06
Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.