Models 2603, 2621, and 2635 Getting Started Guide

D • IPLink Physical Connectors

 

 

Serial port

V.35 (M/34 and DB-25 Connector)

The Model 2635 has a DB-25 connector for the V.35 interface. table 9 provides the pinouts for the M/34 and DB-25 connectors.

Table 9. V.35 pinout for M/34 & DB-25 connectors

M/34

DB-25

Signal Name

Direction

Pin No.

Pin No.

 

 

 

 

A

1

Frame/Chassis

n/a

 

 

Ground

 

 

 

 

 

P

2

TD-a

from DTE

 

 

 

 

R

3

RD-a

to DTE

 

 

 

 

C

4

RTS

from DTE

 

 

 

 

D

5

CTS

to DTE

 

 

 

 

E

6

DSR

to DTE

 

 

 

 

B

7

Signal Ground

n/a

 

 

 

 

F

8

CD

to DTE

 

 

 

 

X

9

RC-b

to DTE

 

 

 

 

 

10

 

 

 

 

 

 

W

11

XTC-b

from DTE

 

 

 

 

AA

12

TC-b

to DTE

 

 

 

 

 

13

 

 

 

 

 

 

S

14

TD-b

from DTE

 

 

 

 

Y

15

TC-a

to DTE

 

 

 

 

T

16

RD-b

to DTE

 

 

 

 

V

17

RC-a

to DTE

 

 

 

 

L

18

Local Loopback

to DTE

 

 

 

 

 

19

 

 

 

 

 

 

H

20

DTR

from DTE

 

 

 

 

N

21

Remote Loopback

to DTE

 

 

 

 

 

22

 

 

 

 

 

 

 

23

 

 

 

 

 

 

U

24

XTC-a

from DTE

 

 

 

 

M

25

Test Mode

to DTE

 

 

 

 

Serial port

126

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Image 126
Patton electronic 2621, 2635 manual Serial port, 35 M/34 and DB-25 Connector