Dce Rs-449 Serial Cable - Nortel Secure 4134 Installation Manual

Table 42
DTE 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
21 MODE2
22 MODE1
23
MODE0
24 MODE3

DCE RS-449 serial cable

Order code: SR0018016E6
Copyright © 2007, 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 —
—
No connect
GND
No connect
GND
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301 01.02 Standard
10.0 7 August 2007
DCE RS-449 serial cable 85
P2 signal P2 pin
4
SD+
22
SD–
17
TT+
35
TT–
5
ST+
23
ST–
RT+ 8
26
RT–
RD+ 6
24
RD–
RR+ 13
31
RR–
TR+ 12
30
TR–
RS+ 7
25
RS–
CS– 27
CS+ 9
11
DM+
DM– 29
10
LL
GND 19, 20, 37
1
Shield
Shield