1108 QPC841 Quad Serial Data Interface card
Table452
Connector J2 pin assignments
Pin
Number Port Signal Purpose in DTE mode Purpose in DCE mode
1FGD Frame ground Frame ground
2TD Transmitted data Transmitted data
3RD Received data Receiveddata
4RTS Request to send (not
used) Request to send (Note 2)
52CTS Clear to send (Note 1) Clear to send
6DSR Data set ready (Note 1) Data set ready
7GND Ground Ground
8CD Carrier detect (Note 1) Carrier detect (not Used)
20 DTR Data terminal ready Data terminal ready (Note 2))
9TD Transmitted data Transmitted data
10 RD Received data Receiveddata
11 RTS Request to send (not
used) Request to send (Note 2))
12 3 CTS Clear to send (Note 1) Clear to send
13 DSR Data set ready (Note 1) Data set ready
25 GND Ground Ground
24 CD Carrier detect (Note 1) Carrier detect (not used)
23 DTR Data terminal ready Data terminal ready (Note 2))
14 TD Transmitted data Transmitted data
15 RD Received data Receiveddata
16 RTS Request to send (not
used) Request to send (Note 2))
17 4 CTS Clear to send (Note 1) Clear to send
18 DSR Data set ready (Note 1) Data set ready
19 GND Ground Ground
Note 1: In DTE mode, the signals CD, DSR, and CTS are tied to +12 volts (through a resistor) to
indicate that the QSDI port is always ready to transmit and receive data.
Note 2: In DCE mode, the signals DTR and RTS are tied to +12 volts (through a resistor) to indicate
that the QSDI port is always ready to transmitand receive data.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.