Nortel Networks Circuit Card - Manual (Page 217)

NT5D11 and NT5D14 Lineside T1 Interface cards Page 217 of 906
Circuit Card Description and Installation
Table 86 shows the pin assignments when using the NT5D13AA lineside T1
I/O cable.
Table 86
Lineside T1 card – NT5D13AA connector pinouts (Part 1 of 2)
I/O panel
connector
pin Lead designations
NT5D13AA
Lineside
T1 I/O
connector
pin
Lineside T1 cable
connector to external
equipment
1 T1 Tip Receive Data 11 DB15 male to T1 (P2)
Lineside T1 card is CPE
transmit to network and
receive from network
26 T1 Ring Receive Data 3
2 T1 Tip Transmit Data 1
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 DB9 male towards MMI (P5)
Wired as DCE
Data is transmitted on pin 2 (RXD)
and received on pin 3 (TXD)
31 Towards MMI terminal
Transmit Data 3
33 Ground 5
8 Control 1 7
32 Control 2 9