Nortel Circuit Card Installation Manual page 860

Page 860 of 906
Table 268
Connector J1 and J2 pin assignments – RS-232-C interface (Part 2 of 2)
Pin number
17
24
Note: Pins not used are 9 to 14, 16, 18, 19, 21, 22, 25.
Table 269
Connector J1 and J2 pin assignments – high-speed interface (Part 1 of 2)
Pin number
Ground and
common return
1
7
Data
2
3
13
16
Control
4
5
6
8
20
Note: Pins not used are 9, 10, 11, 18, 19, 21, 22, 25.
553-3001-211 Standard 3.00
QPC513 Enhanced Serial Data Interface card
Signal functions
Receiver signal element timing (DCE)
Transmitter signal element timing (DTE)
Signal functions
Shield
Signal ground (SG)
Transmitted data – lead A
Received data – lead A
Transmitted data – lead B
Received data – lead B
Request to send (RTS)
Clear to send (CTS)
Data set ready (DSR)
Carrier detect (CD)
Data terminal ready (DTR)
August 2005
Signal source
To DCE From DCE
—
3
Signal source
From
To DCE DCE
n/a n/a
n/a n/a
—
3
—
3
3 —
— 3
—
3
— 3
— 3
—
3
3
EIA
circuit
DD
3
— DA
EIA
circuit
(lead)
AB
BA (A)
BB (A)
BA (B)
BB (B)
CA
CB
CC
CF
CD