Nortel Networks Circuit Card - Manual (Page 875)

QPC841 Quad Serial Data Interface card Page 875 of 906
Circuit Card Description and Installation
Table 274
Connector J2 pin assignments (Part 1 of 2)
Pin
Number Port Signal Purpose in DTE mode Purpose in DCE mode
1 FGD Frame ground Frame ground
2 TD Transmitted data Transmitted data
3 RD Received data Received data
4 RTS Request to send (not used) Request to send (Note 2)
5 2 CTS Clear to send (Note 1) Clear to send
6 DSR Data set ready (Note 1) Data set ready
7 GND Ground Ground
8 CD Carrier detect (Note 1) Carrier detect (not Used)
20 DTR Data terminal ready Data terminal ready (Note 2))
9 TD Transmitted data Transmitted data
10 RD Received data Received data
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 Received data
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