Nortel Circuit Card Installation Manual page 516

Page 516 of 906
Table 171
RS-232-C and RS-422 pinouts for last three DAC ports (Part 1 of 2)
I/O cable
Pair Pin
13T 38
13R 13
14T 39
14R 14
15T 40
15R 15
16T 41
16R 16
17T 42
17R 17
18T 43
18R 18
19T 44
19R 19
20T 45
20R 20
21T 46
21R 21
22T 47
Note: Units 4 and 5 are available when the DAC is installed in a fully wired 24-pair slot.
553-3001-211 Standard 3.00
NT7D16 Data Access card
Pair
color Unit no.
BK-G UNIT 3
G-BK
BK-BR
BR-BK
BK-S
S-BK
Y-BL
BL-Y
Y-O UNIT 4
O-Y (Note)
Y-G
G-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL UNIT 5
BL-V (Note)
V-O
August 2005
RS-232-C
Signal Pin no.
TD3 2
RD3 3
DTR3 20
GND3 7
DCD3 8
DSR3 6
RI3 22
CTS3 5
TD4 2
RD4 3
DTR4 20
GND4 7
DCD4 8
DSR4 6
RI4 22
CTS4 5
TD5 2
RD5 3
DTR5 20
RS-422 Patch pair or
Signal octopus
RDA3
RDB3
SDA3
SDB3 Connector
1
RDA4
RDB4
SDA4
SDB4 Connector
2
RDA5
RDB5
SDA5