Interface Specifications; Communication Protocol - Sanyo DSR-3000 Manual De Instrucciones

INTERFACE SPECIFICATIONS

RS-232C
9-pin connector specifications
Pin No.
1 2 3 4 5
6 7 8 9
Mode
Character length
Data transmit speed
Parity
Stop bit
Communication is carried out in units of 1 byte. After the computer transmits one byte of data, it waits for a response from
the digital video recorder, and then transmits the next byte of data.
To start sending commands, an ON (F6) command is sent. The digital video recorder will continue to receive commands
until an OFF (F7) command is sent to stop. The digital video recorder sends an ACK (OA) each time it receives a
command.
See Table 4 - Command Table on page 75.
RS-485
Mode
Character length
Data transmit speed
Parity
Stop bit
A proprietary Sanyo protocol (SSP: Security Serial Protocol) is used. It is recommended that a special controller be used.
Contact the place of purchase for further details on obtaining a special controller.
English
Signal
1 –
2 RXD
3 TXD
4 –
5 GND
6 –
7 RTS
8 –
9 –
Data format
Asynchronous
8 bits
2400, 4800, 9600, 19200 bps
None
1

Communication protocol

Data format
Asynchronous
8 bits
2400, 4800, 9600, 19200 bps
None
1
Communication protocol
Operation
–
Receive data
Transmit data
–
Ground
–
Request to send
–
–
73
Signal direction
–
Computer → Digital video recorder
Digital video recorder → Computer
–
–
–
Digital video recorder → Computer
–
–