118 Serial cable descriptions
P1 pin
P1 signal
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-530A serial cable
Order code: SR0018020E6
Figure 42
DTE RS-530A serial cable
Table 61
DTE RS-530A serial cable description
P1 pin
P1 signal
1
TXD+
14
TXD–
2
TXCE+
15
TXCE–
Note
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
Twisted
pair
GND
No connect
GND
GND
Note
Twisted
pair
Twisted
pair
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
→
TR+
→
TR–
→
RS+
→
RS–
←
CS–
←
CS+
←
DM+
←
DM–
→
LL
—
GND
—
Shield
Direction
P2 signal
→
SD+
→
SD–
→
TT+
→
TT–
P2 pin
20
23
4
19
13
5
6
22
18
7
1
Shield
P2 pin
2
14
24
11