JVC HD100 Instructions - Page 44

6 Others 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 1 5 6 9 Pin No. Signal Operation 2 RxD Receive data 3 TxD Transmit data 5 GND Signal ground 1, 4, 6 b 9 N/C b z PC refers to the controller such as a personal computer. Signal Direction This unit  PC This unit  PC b b Mode Character Length Parity Start Bit Stop Bit Data Rate Data Format Non-synchronous 8 bit None 1 1 19200 bps Binary D0 D1 D2 D3 D4 D5 D6 D7 Start Bit Stop Bit Command Format The command between this unit and the computer consists of "Header", "Unit ID", "Command", "Data" and "End". z 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 Type Operating command Reference command Response command ACK Description PC  This unit PC  This unit This unit  PC This unit  PC (When the command is accepted without error, it returns to PC) „ Unit ID This code specifies the unit. The binary code is fixed at "8901". 44