3Com SuperStack II PathBuilder S330 Reference Manual page 234

226 A A: S
PPENDIX YSTEM
S P N
PECIFICATIONS AND ART UMBERS
Table 24 Connector Pinouts for RS-449 DCE Cable (Part #3C63921)
Signal Name
Frame GND
Circuit GND
RTS
CTS
DSR
DCD
DTR
LL (not used)
SD+
SD-
RD+
RD-
SCTE+
SCTE-
SCR+
SCR-
SCT+
SCT-
Shorting GR 1
Pin # on DB-37
Pin # on 60-pin
Connector Connector
46 1
15, 16, 30 19, 20, 37
1, 2 7, 25
9, 10 9, 27
7, 8 11, 29
5, 6 13, 31
3, 4 12, 30
29 10
28 4
27 22
11 6
12 24
26 17
25 35
24 8
23 26
13 5
14 23
48, 49
Direction (for
Serial Port)
In
Out
Out
Out
In
In
In
In
Out
Out
In
In
Out
Out
Out
Out