Philips HDTV user manual RS-232 Remote Control Connections, RS-232 Serial Terminal Overview

User Manual BDH5011

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RS-232

7.6RS-232 Remote Control Connections

RS-232 Serial Terminal Overview

This display is equipped with an RS-232 serial terminal for using the display with computer controls.The RS-232 serial terminal conforms to the RS-232C interface specification.The computer will require a software application (such as programming language software) which allows the computer to send and receive control data that can support the communications parameters listed below.

Communications Parameters

These parameters are required to setup communications with the display.

Specification:	RS-232C
Sync Method:	Synchronous
Baud Rate:	9600 bps
Parity:	None
Character:	Length 8 Bits
Stop Bit:	1 Bits

Pin Layout for RS-232 Terminal

The RS-232C terminal pin layout is as follows: Pin 1: Received Line Signal Detector (Data

Carrier Detect)

Pin 2: Received Data (RXD)

Pin 3: Transmit Data (TXD)

Pin 4: Data Terminal Ready (DTR)

Pin 5: Signal Ground

Pin 6: Data Set Ready (DSR)

Pin 7: Request To Send (RTS)

Pin 8: Clear To Send (CTS)

Pin 9: Ring Indicator

Basic Format for Command Parameters In order to transmit data from the computer to the display, the data must be sent in 1-byte-hex format.

The command code (see table below) must first be sent to the display, followed by the desired value setting in hexadecimal format.

The following is an example of a sequence to change the displays input to RGB:

Step 1: Send 1-byte for command 91 (input select) to the display in hex format 0x91

Step 2: Send 1-byte for the value of the RGB input. In this example, send 0x06.

Step 3: The display will respond back to

the PC with a 1-byte value to confirm the setting.

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