3Com 3C13755-US - Router 5642 Installation Manual page 96

94 A A: C
PPENDIX ABLE
V.35 DTE Cable Assembly
and Pinouts
S
PECIFICATIONS
describes V.24 DCE cable pinouts.
Table 61 V.24 DCE Cable Pinouts
DB-50
5
27
2
31
26
1
4
29
30
6
28
50
7
Figure 86 illustrates the V.35 DTE cable assembly.
Figure 86 V.35 DTE Cable Assembly
DB50 Male
Enlarged A side
describes V.35 DTE cable pinouts.
Table 62 V.35 DTE Cable Pinouts
DB-50
2
31
6
30
26
1
15
Signal Signal Direction DB-25
TxD/RxD —>
RxD/TxD <—
RTS/CTS —>
CTS/RTS <—
DTR/DSR —>
LL/DCD —>
TxCE/TxC —>
NIL/RxC —>
DCD/LL <—
DSR/DTR <—
RxC/TxCE <—
GND -
GND -
Label
Signal Signal Direction 34PIN
RTS/CTS —>
CTS/RTS <—
DSR/DTR <—
DCD/LL <—
DTR/DSR —>
LL/DCD —>
TxD/RxD+ —>
Signal
3 RxD
2 TxD
5 CTS
4 RTS
6 DSR
8 DCD
15 TxC
17 RxC
18 LTST
20 DTR
24 TxCE
1 Shield_GND
7 Circuit_GND
V.35 Male
Enlarged B side
Signal
C RTS
D CTS
E DSR
F RLSD
H DTR
K LT
P SD+