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

P1 pin P1 signal
22 MODE1
23 MODE0
24
MODE3
25 DSR–

DCE X.21 serial cable

Order code: SR0018014E6
Figure 26
DCE X.21 serial cable
Table 41
DCE X.21 serial cable description
Pin 1 P1 signal
1 TXD+
14 TXD–
2
TXCE+
15 TXCE–
5
RXD+
18 RXD–
8
RTS+
9 RTS–
11 CTS+
10 CTS–
26
GND
Shield
Copyright © 2007, Nortel Networks
.
Note Direction
No connect
No connect
GND
No connect
Note Direction
→
Twisted
→
pair
→
Twisted
→
pair
←
Twisted
←
pair
→
Twisted
→
pair
←
Twisted
←
pair
—
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
DCE X.21 serial cable 83
P2 signal P2 pin
P2 signal Pin 2
R+ 4
R– 11
6
S+
S– 13
2
T+
T– 9
5
I+
I– 12
C+ 3
C– 10
1
GND
8
Shield