Nortel 4134 安装指导

Appendix Serial cable descriptions

1
14

TXD+
TXD–

Twisted
pair

→

→

SD+
SD–

2
14

2
15

TXCE+
TXCE–

Twisted
pair

→

→

TT+
TT–

24
11

3
16

TXC+
TXC–

Twisted
pair

←

←

ST+
ST–

15
12

4
17

RXC+
RXC–

Twisted
pair

←

←

RT+
RT–

17
9

5
18

RXD+
RXD–

Twisted
pair

←

←

RD+
RD–

3
16

6
19

DCD+
DCD–

Twisted
pair

←

←

RR+
RR–

8
10

7
20

DTR+
DTR–

Twisted
pair

→

→

TR+
TR–

20
23

8
9

RTS+
RTS–

Twisted
pair

→

→

RS+
RS–

4
19

10
11

CTS–
CTS+

Twisted
pair

←

←

CS–
CS+

13
5

12
25

DSR+
DSR–

Twisted
pair

←

←

DM+
DM–

6
22

13
26

LL
GND

Twisted
pair

→

—

LL
GND

18
7

Shield

Shield

—

Shield

1
Shield

Nortel Secure Router 4134

Installation — Hardware Components

NN47263-301

01.02

Standard

10.0

7 August 2007

Copyright © 2007, Nortel Networks

.