Servicing Information

RS530 / RS422 Link Pinouts

 

 

 

Direction

Contact

 

Circuit

To

From

Number

Circuit

Name

DCE

 

DCE

1

Shield

Protective Ground

NA

 

 

2

BA (A)

Transmitted Data

X

 

 

3

BB (A)

Received Data

 

 

X

4

CA (A)

Request to Send

X

 

 

5

CB (A)

Clear to Send

 

 

X

6

CC (A)

Data Set Ready

 

 

X

 

 

 

 

 

 

7

AB

Signal Ground

NA

 

 

 

 

 

 

 

 

8

CF (A)

Received Line Signal Detector

 

 

X

 

 

 

 

 

 

9

DD (B)

Receive Signal Element Timing (DCE Source)

 

 

X

 

 

 

 

 

 

10

CF (B)

Received Line Signal Detector

 

 

X

11

DA (B)

Transmit Signal Element Timing (DTE Source)

X

 

 

12

DB (B)

Transmit Signal Element Timing (DCE Source)

 

 

X

13

CB (B)

Clear to Send

 

 

X

14

BA (B)

Transmitted Data

X

 

 

15

DB (A)

Transmit Signal Element Timing (DCE Source)

 

 

X

16

BB (B)

Received Data

 

 

X

17

DD (A)

Receive Signal Element Timing (DCE Source)

 

 

X

18

LL

Local Loopback

X

 

 

 

 

 

 

 

 

19

CA (B)

Request to Send

X

 

 

 

 

 

 

 

 

20

CD (A)

Data Terminal Ready

X

 

 

 

 

 

 

 

 

21

RL

Remote Loopback

X

 

 

 

 

 

 

 

 

22

CC (B)

Data Set Ready

 

 

X

 

 

 

 

 

 

23

CD (B)

Data Terminal Ready

X

 

 

24

DA (A)

Transmit Signal Element Timing (DTE Source)

X

 

 

25

 

----------

 

 

 

Figure C-8 RS530 / RS422 Link Pinouts

The connecting cable must be a shielded cable.

Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs within the connecting cable.

84

Page 90
Image 90
Black Box LR1530A-R3, LR1530A-EU-R3 manual Figure C-8 RS530 / RS422 Link Pinouts