Basic Specifications

RS-232 Serial Interface Terminal Pin Out

5

4

3

2

1

Pin No.

COM1

COM2

 

function

function

9

8

7

 

6

 

 

1

NC

CD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

-RXD

-RXD

Connector width must

 

 

 

3

-TXD

-TXD

not exceed 32 mm.

 

 

 

4

RTS

DTR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

GND

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

6

DSR

DSR

 

 

 

 

 

 

 

 

 

 

 

 

 

7

RTS

RTS

 

 

 

 

 

 

 

 

 

 

 

 

 

8

NC

CTS

 

 

 

 

 

 

 

 

 

 

 

 

 

9

NC

RI

 

 

 

 

 

 

 

 

• NC = no connection

This is a Class A Information Technology Device conforming to the VCCI (Voluntarily Controlled Communication Interference) standards for information processing devices. This device is designed to be suitable for use in a home environment, but it may interfere with reception if used near a radio or television. Please follow the instructions in the users manual for proper use.

I/O Terminal Block Connector Pin Out

- - A3

C3

A4

C4

B

 

A

1

2

3

4

 

5

6

7

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9 10 11 12 13 14 15 16

+– A1 C1 A2 C2 RELAY

Pin

Function

Description

 

 

 

1

Reserved

Do not use

 

 

 

2

Reserved

 

 

 

 

3

Input 3

Photocoupler input 3: the sash

 

Photocoupler

and contacts are electrically

 

(+)

isolated, so input can be an

 

 

external DC voltage or DC power

4

Input 3

input/output from pins 9 and 10.

 

Photocoupler

 

 

 

(–)

 

 

 

 

5

Input 4

Photocoupler input 4: the sash

 

Photocoupler

and contacts are electrically

 

(+)

isolated, so input can be an

 

 

external DC voltage or DC power

6

Input 4

input/output from pins 9 and 10.

 

Photocoupler

 

 

 

(–)

 

 

 

 

7

Reserved

Do not use

 

 

 

8

Reserved

 

 

 

 

9

Photocoupler

Power for Photocouplers

 

power

 

10

 

 

 

 

 

 

11

Input 1

Input 1 Photocoupler input. Same

 

Photocoupler

as Input 3 above.

 

(+)

 

 

 

 

12

Input 1

 

 

Photocoupler

 

 

(–)

 

 

 

 

13

Input 2

Input 2 Photocoupler input. Same

 

Photocoupler

as Input 3 above.

 

(+)

 

 

 

 

14

Input 2

 

 

Photocoupler

 

 

(–)

 

 

 

 

15

Relay Switch

The relay switch is electrically

 

 

isolated from the sash and

16

Relay Switch

connectors.

 

 

 

 

 

42

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Image 42
Sony snt-v manual Basic Specifications, RS-232 Serial Interface Terminal Pin Out, Terminal Block Connector Pin Out