Nortel Secure Router 4134 Installation — Hardware Components page 108

108 Serial cable descriptions
Figure 34
DCE RS-449 serial cable
Table 51
DCE RS-449 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+
20
DTR–
8
RTS+
9 RTS–
10
CTS–
11 CTS+
12
DSR+
25 DSR–
13
LL
26 GND
Shield Shield
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
←
Twisted
←
pair
→
Twisted
pair —
—
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 02.01 Standard
18 February 2008
P2 signal P2 pin
RD+ 6
RD– 24
RT+ 8
RT– 26
ST+ 5
23
ST–
TT+ 17
TT– 35
SD+ 4
SD– 22
13
RR+
RR– 31
11
DM+
DM– 29
9
CS+
CS– 27
25
RS–
RS+ 7
12
TR+
TR– 30
10
LL
GND 19, 20, 37
1
Shield
Shield