3Com SuperStack II PathBuilder S330 Reference Manual page 235

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