Toshiba KV-HD01A manual APPENDIX 1. -- RS-232 Protocol, Setup, Communication Protocol, 2 RX 3 TX

APPENDIX 1. -- RS-232 Protocol

1.Setup

1.1Use Null Modem cable (The standard RS-232 9 Pin Cable with Pin 2 and Pin 3 exchanged, see pin configuration chart below for details) to connect the COM 1 on the rear panel of the unit to a PC.

RS-232

1

RX 2

TX 3

4

GND 5

6

RTS 7

CTS 8

9

RS-232

1

2 RX

3 TX

4

5 GND

6

7 RTS

8 CTS

9

1.2Set the RS-232option to SLAVE in the COMMUNICATION page of the main menu.

1.3Set communication parameters: 9600 bps, No Parity, 8 Data Bits, 1 Stop Bit.

2. Communication Protocol:

2.0 General Command Format

<Lead Code = 0x41>, <Main category >, <Second category >, {<Number of parameters>, <Parameter 1>, <Parameter 2> ..,} <End Code= 0x4f>

Lead Code	= 0x41
Main Category	= 0x01	Keys and Signals

=0x02 Command

Second Category = 0x01 Handshake

=0x02 Request Time/Set Time

=0x05 Request System State

End Code = 0x4f

The different command types and their corresponding parameters are as follows:

41