3Com SuperStack II PathBuilder S330 Reference Manual page 60

48 C 2: I
HAPTER NSTALLATION
Table 16 Connector Pinouts for EIA530 DCE cable (60-pin Connector) to DB-25 Female
Pin # on 60-pin
Signal Name Connector
Frame GND 46
Circuit GND 45
RTS 1, 2
CTS 9, 10
DSR 7, 8
DCD (not used, see 5, 6
DCE cable)
DTR 3, 4
LL (not used) 29
SD+ 28
SD- 27
RD+ 11
RD- 12
SCTE+ 26
SCTE- 25
SCR+ 24
SCR- 23
SCT+ 13
SCT- 14
Shorting GR 1 47, 48, 49
Pin # on DB-25 Direction (for
Connector Serial Port)
1
7
4, 19 In
5, 13 Out
6, 22 Out
8, 10 Out
20, 23 In
18 In
2 In
14 In
3 Out
16 Out
24 In
11 In
17 Out
9 Out
15 Out
12 Out