GR2000 Installation Guide

Table 3-24Connector Specifications for NWVX-4, Pin Assignment for X.21

WAN 15-pin (Male)

Connection

Router 50-Pin

Specifications

 

 

 

 

 

 

 

5

—————

2

I(A)

 

 

(indication) (input)

 

 

 

 

 

 

 

 

 

12

—————

4

I(B)

 

 

 

 

 

 

 

 

 

 

 

 

 

4

—————

26

R(A)

 

 

(receive) (input)

 

 

 

 

 

 

 

 

 

11

—————

28

R(B)

 

 

 

 

 

 

 

 

 

 

 

 

 

8

—————

34

G

 

 

(signal ground)

 

 

 

 

 

 

 

 

 

6

—————

50

S(A)

 

 

(signal element timing) (input)

 

 

 

 

 

 

 

13

—————

48

S(B)

 

 

 

 

 

 

 

 

 

 

3

—————

1

C(A)

 

 

(control) (output)

 

 

 

 

 

 

 

10

—————

3

C(B)

 

 

 

 

 

 

 

 

 

 

2

—————

25

T(A)

 

 

(transmit) (output)

 

 

 

 

 

 

 

9

—————

27

T(B)

 

 

 

 

 

 

 

 

 

 

 

 

-46

Connection is required if the router is DTE.

 

 

 

Separate contact is required if it is DCE.

 

 

-6

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 3-25Connector Specifications for NWVX-4, Pin Assignment for V.35

WAN 35-pin (Male)

Connection

Router 50-Pin

Specifications

 

 

 

 

 

 

 

 

B

—————

34

SG

 

(signal ground)

 

 

 

 

 

 

 

 

E

—————

12

DR

 

(data set ready) (input)

 

 

 

 

 

 

 

 

J

—————

24

Ci

 

(call indicator) (input)

 

 

 

 

 

 

 

 

F

—————

30

CD

 

(carrier detect of data channel receive)

 

 

 

 

 

 

 

(input)

 

 

 

 

 

 

 

 

D

—————

16

CS

 

(clear to send) (input)

 

 

 

 

 

 

 

 

H

—————

11

ER

 

(data terminal ready) (output)

 

 

 

 

 

 

 

 

Y

—————

38

ST2(A)

 

(send element timing 2) (input)

 

 

 

 

 

 

 

 

 

AA

—————

36

ST2(B)

 

 

 

 

 

 

 

 

 

 

 

 

U

—————

41

ST1(A)

 

(send element timing 1) (output)

 

 

 

 

 

 

 

 

 

W

—————

39

ST1(B)

 

 

 

 

 

 

 

 

 

 

 

 

P

—————

19

SD(A)

 

(send data) (output)

 

 

 

 

 

 

 

 

S

—————

17

SD(B)

 

 

 

 

 

 

 

 

 

 

 

 

R

—————

20

RD(A)

 

(receive data) (input)

 

 

 

 

 

 

 

 

 

T

—————

18

RD(B)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LL

No connection

13

LLB

 

 

(output)

 

 

 

 

 

 

 

 

 

 

V

—————

42

RT(A)

 

 

(receive element timing) (input)

 

 

 

 

 

 

 

 

 

 

X

—————

40

RT(B)

 

 

 

 

 

 

 

 

 

 

 

 

C

—————

15

RS

 

(request to send) (output)

 

 

 

 

 

 

 

 

NN

No connection

14

Ti

 

(test indicator) (input)

 

 

 

 

 

 

 

 

A

—————

 

Shield

 

(frame ground)

 

 

 

 

 

 

 

 

3-24

GR2K-GA-1002

 

Rev. 6.03

Page 126
Image 126
Hitachi GR2000 manual WAN 15-pin Male Connection Router 50-Pin Specifications