3Com Router 3012 Installation Manual page 57

V.35 DTE Cable Pinouts
V.35 DCE Cable Pinouts
Figure 32 illustrates the V.35 DTE cable.
Figure 32 V.35 DTE Cable Assembly
DB50 Male
Enlarged A side
Table 33 describes V.35 DTE cable pinouts.
Table 33 V.35 DTE Cable Pinouts
DB-50 Signal
2 RTS/CTS
31 CTS/RTS
6 DSR/DTR
30 DCD/LL
26 DTR/DSR
1 LL/DCD
15 TxD/RxD+
39 TxD/RxD-
20 RxD/TxD+
44 RxD/TxD-
16 TxCE/TxC+
40 TxCE/TxC-
19 RxC/TxCE+
43 RxC/TxCE-
18 TxC/RxC+
42 TxC/RxC-
50 GND
7 GND
24 RxD-REST
49 RxC-REST
25 TxC-REST
Figure 33 illustrates the V.35 DCE cable.
V.35 Male
Label
Signal Direction 34PIN
—> C
<— D
<— E
<— F
—> H
—> K
—> P
—> S
<— R
<— T
—> U
—> W
<— V
<— X
<— Y
<— AA
- A
- B
GND -
GND -
GND -
Serial Port Cable 57
Enlarged B side
Signal
RTS
CTS
DSR
RLSD
DTR
LT
SD+
SD-
RD+
RD-
SCTE+
SCTE-
SCR+
SCR-
SCT+
SCT-
Shield_GND
Circuit_GND
-
-
-