Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario
Page 502 of 894
NT7D16 Data Access card
Backplane pinout and signaling
Two 40-pin, and two 20-pin edge connectors connect the card to the
backplane. The detailed pinout configurations are listed in Tables 165 and
166.
backplane. The detailed pinout configurations are listed in Tables 165 and
166.
Table 165
RS-232-C and RS-422 pinouts for first three DAC ports (Part 1 of 2)
RS-232-C and RS-422 pinouts for first three DAC ports (Part 1 of 2)
I/O cable
Unit no.
RS-232-C
RS-422
Signal
Patch pair or
octopus
Pair
Pin
Pair
color
Signal
Pin no.
1T
26
W-BL
UNIT 0
TD0
2
RDA0
1R
1
BL-W
RD0
3
RDB0
2T
27
W-O
DTR0
20
SDA0
2R
2
O-W
GND0
7
SDB0
Connector
3T
28
W-G
DCD0
8
1
3R
3
G-W
DSR0
6
4T
29
W-BR
RI0
22
4R
4
BR-W
CTS0
5
5T
20
W-S
UNIT 1
TD1
2
RDA1
5R
5
S-W
RD1
3
RDB1
6T
31
R-BL
DTR1
20
SDA1
6R
6
BL-R
GND1
7
SDB1
Connector
7T
32
R-O
DCD1
8
2
Note 1: The RS-232 pinout follows the standard set by the QPC723 RILC.
Note 2: The RS-422 pinout follows the standard set by the QPC430 AILC (first pair: Receive
Data; second pair: Send Data). Receive and Send are designated with reference to the DTE;
therefore, they must be turned over in the cross-connect since most DTE have first pair as Send
Data and second pair as Receive Data.
Data; second pair: Send Data). Receive and Send are designated with reference to the DTE;
therefore, they must be turned over in the cross-connect since most DTE have first pair as Send
Data and second pair as Receive Data.