Dte X.21 Serial Cable - Nortel Secure Router 4134 Installation — Hardware Components

Table 47
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, 2008 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 02.01 Standard
18 February 2008
DTE X.21 serial cable 103
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