Connector Pinouts
227
Table 25
Connector Pinouts for EIA530 DTE Cable (Part #3C63922)
Signal Name
Pin # on 60-pin
Connector
Pin # on DB-25
Connector
Direction (for
Serial Port)
Frame GND
46
1
Circuit GND
45
7
RTS
9, 10
4, 19
Out
CTS
1, 2
5, 13
In
DSR
3, 4
6, 22
In
DCD (not used, see
DCE cable)
5, 6
8, 10
In
DTR
7, 8
20, 23
Out
LL (not used)
44
18
Out
SD+
11
2
Out
SD-
12
14
Out
RD+
28
3
In
RD-
27
16
In
SCTE+
13
24
Out
SCTE-
14
11
Out
SCR+
26
17
In
SCR-
25
9
In
SCT+
24
15
In
SCT-
23
12
In
Shorting GR 1
47, 48, 49
Shorting GR 2
51, 52,
