3Com SuperStack II PathBuilder S330 Reference Manual page 236

228 A A: S
PPENDIX YSTEM
S P N
PECIFICATIONS AND ART UMBERS
Table 26 Connector Pinouts for EIA530 DCE Cable (Part #3C63923)
Signal Name
Frame GND
Circuit GND
RTS
CTS
DSR
DCD (not used, see
DCE cable)
DTR
LL (not used)
SD+
SD-
RD+
RD-
SCTE+
SCTE-
SCR+
SCR-
SCT+
SCT-
Shorting GR 1
Pin # on 60-pin Pin # on DB-25
Connector Connector
46 1
45 7
1, 2 4, 19
9, 10 5, 13
7, 8 6, 22
5, 6 8, 10
3, 4 20, 23
29 18
28 2
27 14
11 3
12 16
26 24
25 11
24 17
23 9
13 15
14 12
47, 48, 49
Direction (for
Serial Port)
In
Out
Out
Out
In
In
In
In
Out
Out
In
In
Out
Out
Out
Out