Dte X.21 Serial Cable - Nortel Secure 4134 Installation Manual

Table 39
DCE V.35 serial cable description
P1 pin P1 signal
1
TXD+
14
TXD–
2
TXCE+
15
TXCE–
3 TXC+
16
TXC–
4 RXC+
17
RXC–
5 RXD+
18
RXD–
6 DCD+
19
DCD–
7 DTR+
8
RTS+
11 CTS+
12 DSR+
13 LL
26 GND
Shield Shield
9
RTS–
10
CTS–
20 DTR–
21
MODE2
22
MODE1
23 MODE0
24
MODE3
25
DSR–

DTE X.21 serial cable

Order code: SR0018013E6
Copyright © 2007, Nortel Networks
.
Note Direction
→
Twisted
→
pair
→
Twisted
→
pair
→
Twisted
→
pair
←
Twisted
←
pair
←
Twisted
←
pair
→
Twisted
→
pair
→
Twisted
→
pair
←
Twisted
←
pair
←
Twisted
—
pair
—
No connect
No connect
No connect
No connect
GND
GND
No connect
No connect
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
DTE X.21 serial cable 81
P2 signal P2 pin
RD+ R
RD– T
SCR+ V
SCR– X
SCT+ Y
SCT– AA
SCTE+ U
SCTE– W
SD+ P
SD– S
RLSD F
GND B
DSR E
CTS D
RTS C
DTR H
LT K
GND B
Shield A
Shield