Others; Rs-232C Interface; Rs-232C Specifications; Command Format - JVC DLA-HD950 Instructions Manual

6

RS-232C Interface

Control of this unit via a computer is possible by connecting the computer to this unit with a RS-232C
cross cable (D-Sub 9 pin).

RS-232C Specifications

This unit
●
PC refers to the controller such as a personal computer.
Mode
Character Length
Parity
Start Bit
Stop Bit
Data rate
Data format

Command Format

The command between this unit and the computer consists of "Header", "Unit ID", "Command", "Data" and "End".
●
Header (1 byte), Unit ID (2 bytes), Command (2 bytes), Data (n bytes), End (1 byte)
■
Header
This binary code indicates the start of communication.
Binary code
21
3F
40
06
■
Unit ID
This code specifies the unit. The binary code is fixed at "8901".
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Others

Pin No.
2
3
5
1,4,6 - 9
Non-synchronous
8 bit
None
1
1
19200 bps
Binary
Type
Operating command
Reference command
Response command
ACK
Signal Function
RxD Receive data
TxD Transmit data
GND Signal ground
N/C -
D0 D1 D2 D3
Start Bit
Description
PC→This unit
PC→This unit
This unit→PC
This unit→PC
(When the command is accepted without error, it returns to
PC)
Signal Direction
PC→This unit
This unit→PC
-
-
D4 D5 D6 D7
Stop Bit