700-701-100-02Reference Information

ECA-800 CONNECTOR ADAPTER (DB25M TO M34F FOR V.35)

The ECA-800 connector adapter (Figure 45) converts the DB25F data port connector on the desktop unit rear panel to a standard V.35 34-pin female connector. Table 36 lists the ECA-800 pinouts.

A

D

B

 

C

 

 

E

 

F

1

H

J

14

K

N

L

 

M

 

 

P R

S T

U V

W X

YZ

AA BB

CC

 

DD

25

 

EE

FF

JJ

13

HH

 

 

KK

LL

 

 

 

MMNN

Figure 45. ECA-800 DB25M to M34F (V.35) Connector Adapter, Part Number 150-1470-01

Table 36. ECA-800 DB25M to M34F (V.35) Connector Adapter Pinouts

DB25M Connector

 

 

M34F (V.35) Connector

 

 

 

 

Signal

Pin

Pin

Signal

 

 

 

 

Shield

1

A

Frame ground

 

 

 

 

Send Data A

2

P

Send Data A

 

 

 

 

Send Data B

14

S

Send Data B

 

 

 

 

Receive Data A

3

R

Receive Data A

 

 

 

 

Receive Data B

16

T

Receive Data B

 

 

 

 

Request to Send A

4

C

Request to Send

 

 

 

 

Clear to Send A

5

D

Clear to Send

 

 

 

 

Data Set Ready A

6

E

Data Set Ready

 

 

 

 

Data Terminal Ready A

20

H

Data Terminal Ready

 

 

 

 

Signal Ground

7

B

Signal Ground

 

 

 

 

Received Line Signal Detect A

8

F

Received Line Signal Detect

 

 

 

 

Send Timing A

15

Y

Serial Clock Transmit A

 

 

 

 

Send Timing B

12

AA

Serial Clock Transmit B

 

 

 

 

Receive Timing A

17

V

Serial Clock Receive A

 

 

 

 

Receive Timing B

9

X

Serial Clock Receive B

 

 

 

 

Terminal Timing A

24

U

Serial Clock Transmit External A

 

 

 

 

Terminal Timing B

11

W

Serial Clock Transmit External B

 

 

 

 

Local Loopback

18

L

Local Loopback

 

 

 

 

Remote Loopback

21

N

Remote Loopback

 

 

 

 

Test Mode

25

NN

Test Mode

 

 

 

 

UTU-701 and ETU-751 List 1

August 9, 2002

65