3Com 3C63311 Reference Guide - Page 60
Connector Pinouts for EIA530 DCE cable 60-pin Connector to DB-25 Female, Table 16
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48 CHAPTER 2: INSTALLATION Table 16 Connector Pinouts for EIA530 DCE cable (60-pin Connector) to DB-25 Female Signal Name Frame GND Circuit GND RTS CTS DSR DCD (not used, see DCE cable) DTR LL (not used) SD+ SDRD+ RDSCTE+ SCTESCR+ SCRSCT+ SCTShorting GR 1 Pin # on 60-pin Connector 46 45 1, 2 9, 10 7, 8 5, 6 Pin # on DB-25 Connector 1 7 4, 19 5, 13 6, 22 8, 10 Direction (for Serial Port) In Out Out Out 3, 4 20, 23 In 29 18 In 28 2 In 27 14 In 11 3 Out 12 16 Out 26 24 In 25 11 In 24 17 Out 23 9 Out 13 15 Out 14 12 Out 47, 48, 49
48
C
HAPTER
2: I
NSTALLATION
Table 16
Connector Pinouts for EIA530 DCE cable (60-pin Connector) to DB-25 Female
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