3Com Router 3016 Installation Manual page 60

Installation guide
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60
C
A: O
HAPTER
PTIONAL
V.35 DTE Cable Pinouts
V.35 DCE Cable Pinouts
C
S
ABLE
PECIFICATIONS
Table 7 describes V.35 DTE cable pinouts.
Table 7 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
Table 8 describes V.35 DCE cable pinouts.
V.35 DCE cable Pinouts
Table 8
DB-50
Signal
31
2
26
1
6
30
20
44
15
39
19
43
Signal Direction 34PIN
—>
<—
<—
<—
—>
—>
—>
—>
<—
<—
—>
—>
<—
<—
<—
<—
-
-
GND
GND
GND
Signal
Direction
CTS/RTS
<—
RTS/CTS
—>
DTR/DSR
—>
LL/DCD
—>
DSR/DTR
<—
DCD/LL
<—
RxD/TxD+
<—
RxD/TxD-
<—
TxD/RxD+
—>
TxD/RxD-
—>
RxC/TxCE+
<—
RxC/TxCE-
<—
Signal
C
RTS
D
CTS
E
DSR
F
RLSD
H
DTR
K
LT
P
SD+
S
SD-
R
RD+
T
RD-
U
SCTE+
W
SCTE-
V
SCR+
X
SCR-
Y
SCT+
AA
SCT-
A
Shield_GND
B
Circuit_GND
-
-
-
-
-
-
34PIN
Signal
C
RTS
D
CTS
E
DSR
F
RLSD
H
DTR
K
LT
P
SD+
S
SD-
R
RD+
T
RD-
U
SCTE+
W
SCTE-

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