Connector Pin Assignments - Avaya Nortel Communication Server 1000 Reference

NT8D41BA Quad Serial Data Interface Paddle Board
terminal without having to stop the system. This is also used to perform a parallel reload of the
system software without affecting the operation of the switch.

Connector pin assignments

The RS-232-C signals for port 1 through port 4 are brought out on connector J1 through J4
respectively. The pinouts for each port are identical to those for each of the other three ports.
Table 202: Connectors J1, J2, J3, and J4 pin assignments
assignment that applies to each connector.
Table 202: Connectors J1, J2, J3, and J4 pin assignments
Pin #
Note:
In DTE mode the signals CD, DSR, and CTS are tied to +12 volts to signify that the port
on the QSDI paddle board is always ready to transmit and receive data. This mode is set
to connect to a terminal device (DTE).
Note:
In DCE mode the signals DTR and RTS are tied to +12 volts to signify that the port on
the QSDI paddle board is always ready to transmit and receive data. This mode is set to
connect to a modem device (DCE).
476 Circuit Card Reference
Signal Purpose in DTE mode
1 DCD Data Carrier detect (Note 1)
2 RD Transmitted data
3 TD Received data
4 DTR Data terminal ready
5 GND Signal Ground
6 DSR Data set ready (Note 1)
7 RTS Request to send (Not Used)
8 CTS Clear to send (Note 1)
Comments? infodev@avaya.com
on page 476 shows the pin
Purpose in DCE mode
Data Carrier detect (Not used)
Received data
Transmitted data
Data terminal ready (Note 2)
Signal Ground
Data set ready
Request to send (Note 2)
Clear to send
July 2011