ADTRAN ISU 2X64 user manual RS-530, Interface

Appendix E: Connector Pinouts

PIN 13

PIN 1

FEMALE

PIN 25

PIN 14

Figure E-2

RS-530

Interface

Table E-B

RS-530

Interface

Pin

Name

I/O

Description

1

Shield

...................

I/O

Shield for cable

2

TD-A

I

Transmitted Data

3

RD-A

O

Received Data

4

RTS-A

I

Request To Send

5

CTS-A

...................

O

Clear To Send

6

DSR-A

...................

O

Data Set Ready

7

SG

.......................

I/O

Signal Ground

8

CD-A

O

Carrier Detect

9

RC-B

O

Receive Clock (return)

10

CD-B

O

Carrier Detect (return)

11

ETC-B

I

External Transmit Clock (return)

12

TC-B

O

Transmit Clock (return)

13

CTS-B

O

Clear To Send (return)

14

TD-B

I

Transmit Data (return)

15

TC-A

O

Transmit Clock

16

RD-B

O

Receive Data (return)

17

RC-A

O

Receive Clock

18

NC

N/A

No Connection

19

RTS-B

I

Request To Send (return)

20

DTR-A

I

Data Terminal Ready

21

NC

N/A

No Connection

22

DSR-B

O

Data Set Ready (return)

23

DTR-B

I

Data Terminal Ready (return)

24

ETC-A

...................

I

External Transmit Clock

25

NC

N/A

No Connection

I = Input

O =

Output

N/A = Not Applicable

V .35

B

F

L

R

V

Z

DD

JJ

NN

D

J

N

T

X

BB

FF

LL

A

E

K

P

U

Y

CC

HH

MM

C

H

M

S

W

AA

EE

KK

Figure E-3

V.35 Interface

120 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D