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228
A
PPENDIX
A: S
YSTEM
S
PECIFICATIONS
AND
P
ART
N
UMBERS
Table 26
Connector Pinouts for EIA530 DCE Cable (Part #3C63923)
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
1, 2
4, 19
In
CTS
9, 10
5, 13
Out
DSR
7, 8
6, 22
Out
DCD (not used, see
DCE cable)
5, 6
8, 10
Out
DTR
3, 4
20, 23
In
LL (not used)
29
18
In
SD+
28
2
In
SD-
27
14
In
RD+
11
3
Out
RD-
12
16
Out
SCTE+
26
24
In
SCTE-
25
11
In
SCR+
24
17
Out
SCR-
23
9
Out
SCT+
13
15
Out
SCT-
14
12
Out
Shorting GR 1
47, 48, 49