Nortel 4134 Instrução De Instalação
DCE RS-449 serial cable
85
Table 42
DTE RS-449 serial cable description
DTE RS-449 serial cable description
P1 pin
P1 signal
Note
Direction
P2 signal
P2 pin
1
14
14
TXD+
TXD–
TXD–
Twisted
pair
pair
→
→
SD+
SD–
SD–
4
22
22
2
15
15
TXCE+
TXCE–
TXCE–
Twisted
pair
pair
→
→
TT+
TT–
TT–
17
35
35
3
16
16
TXC+
TXC–
TXC–
Twisted
pair
pair
←
←
ST+
ST–
ST–
5
23
23
4
17
17
RXC+
RXC–
RXC–
Twisted
pair
pair
←
←
RT+
RT–
RT–
8
26
26
5
18
18
RXD+
RXD–
RXD–
Twisted
pair
pair
←
←
RD+
RD–
RD–
6
24
24
6
19
19
DCD+
DCD–
DCD–
Twisted
pair
pair
←
←
RR+
RR–
RR–
13
31
31
7
20
20
DTR+
DTR–
DTR–
Twisted
pair
pair
→
→
TR+
TR–
TR–
12
30
30
8
9
9
RTS+
RTS–
RTS–
Twisted
pair
pair
→
→
RS+
RS–
RS–
7
25
25
10
11
11
CTS–
CTS+
CTS+
Twisted
pair
pair
←
←
CS–
CS+
CS+
27
9
9
12
25
25
DSR+
DSR–
DSR–
Twisted
pair
pair
←
←
DM+
DM–
DM–
11
29
29
13
26
26
LL
GND
GND
Twisted
pair
pair
→
—
LL
GND
GND
10
19, 20, 37
19, 20, 37
Shield
Shield
—
Shield
1
Shield
Shield
21
MODE2
No connect
22
MODE1
GND
23
MODE0
No connect
24
MODE3
GND
DCE RS-449 serial cable
Order code: SR0018016E6
Nortel Secure Router 4134
Installation — Hardware Components
NN47263-301
01.02
Standard
10.0
7 August 2007
Copyright © 2007, Nortel Networks
.