114 Serial cable descriptions
P1 pin
P1 signal
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
DTE RS-232 serial cable
Order code: SR0018017E6
Figure 39
DTE RS-232 serial cable
Note
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
No connect
GND
No connect
No connect
Nortel Secure Router 2330/4134
Installation — Hardware Components
NN47263-301 03.01 7 September 2009
Copyright © 2007-2008 Nortel Networks. All Rights Reserved.
Direction
P2 signal
←
SD+
←
SD–
→
RR+
→
RR–
→
DM+
→
DM–
→
CS+
→
CS–
←
RS–
←
RS+
←
TR+
←
TR–
→
LL
—
GND
—
Shield
P2 pin
4
22
13
31
11
29
9
27
25
7
12
30
10
19, 20, 37
1
Shield