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Sony SNT-V304 User Manual Page 42

Video network station.
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Basic Specifications
RS-232 Serial Interface Terminal Pin Out
Pin No.
5
4
3
2
1
9
8
7
6
1
2
Connector width must
3
not exceed 32 mm.
4
5
6
7
8
9
• 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.
42
COM1
COM2
function
function
NC
CD
-RXD
-RXD
-TXD
-TXD
RTS
DTR
GND
GND
DSR
DSR
RTS
RTS
NC
CTS
NC
RI
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.

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