Avaya Nortel Communication Server 1000 Reference page 214

NT5D33 and NT5D34 Lineside E1 Interface cards
Backplane
connector pin
19A
19B
Table 94: LEI card - lineside E1 I/O cable pinouts
from the I/O panel relating to the pin assignments of the lineside E1 I/O cable.
Table 94: LEI card - lineside E1 I/O cable pinouts
I/O Panel
Connector
Pin
1
26
2
27
3
28
4
7
31
33
8
32
33
8
32
30
6
214 Circuit Card Reference
I/O Panel connector
pin
8
33
Lead Designations
E1 Tip Receive data
E1 Ring Receive data
E1 Tip Transmit data
E1 Ring Transmit data
Alarm out, common
Alarm out (normally open)
Alarm out (normally closed)
Toward MMI terminal, receive
data
Toward MMI terminal, transmit
data
Ground
Control 1
Control 2
Ground
Control 1
Control 2
Away from MMI terminal,
transmit data
Away from MMI terminal,
receive data
Comments? infodev@avaya.com
Signal
Daisy chain control 1
Ground
on page 214 shows the pin assignments
LEI LEI Cable Connector to
Connector External Equipment
Pin
11 DB15 male to E1 (P2). LEI is
CPE transmit and receive to
network
3
1
9
1
2 DB9 male to external alarm
(P3)
3
2
3
DB9 male toward MMI (P5).
Wired as DCE. Data is
transmitted on pin 2 (RXD) and
5
received on pin 3 (TXD)
7
9
5
7
9
DB9 female away from MMI
terminal (P4)
3
2
July 2011