Table 58
DTE RS-232 serial cable description
P1 pin
P1 signal
1
TXD+
2
TXCE+
3
TXC+
4
RXC+
5
RXD+
6
DCD+
7
DTR+
8
RTS+
11
CTS+
12
DSR+
13
LL
26
GND
Shield
Shield
9
RTS–
10
CTS–
14
TXD–
15
TXCE–
16
TXC–
17
RXC–
18
RXD–
19
DCD–
20
DTR–
25
DSR–
21
MODE2
22
MODE1
23
MODE0
24
MODE3
DCE RS-232 serial cable
Order code: SR0018018E6
Direction
→
→
←
←
←
←
→
→
←
←
→
—
—
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
GND
GND
Nortel Secure Router 2330/4134
Installation — Hardware Components
NN47263-301 03.01 7 September 2009
Copyright © 2007-2008 Nortel Networks. All Rights Reserved.
DCE RS-232 serial cable 115
P2 signal
P2 pin
TXD
2
TXCE
24
TXC
15
RXC
17
RXD
3
DCD
8
DTR
20
RTS
4
5
CTS
DSR
6
LL
18
7
GND
Shield
1
Shield