JVC DLA-HD950, DLA-HD990, DLA-RS25 RS-232C Interface Details, Connector, Communication Parameters

JVC D-ILA Projector Remote Control Guide

RS-232C Interface Details

The RS-232C interface on the projector is a standard 9 pin D-Sub male socket. The pin connections for the projector are as follows:

Pin No.	Signal	Function	Signal Direction
2	Rx Data	Receive Data	Computer/Controller to Projector
3	Tx Data	Transmit Data	Projector to Computer/Controller
5	Ground	Signal ground	–
1, 4 & 6-9	No Connection	–	–

Connector

Looking at the connector from the side of the projector, the pins are as follows:

Communication Parameters

The communication parameters for the projector are as follows:

Parameter

Value

Interface

RS-232C

Mode

Asynchronous

Data Rate

19200bps (19.2kbps)

Character Length

8 Bit

Parity

None

Start Bit

1

Stop Bit

1

Flow Control

None

Data Format

Binary

Diagram of Data Format:

b0

b1

b2

b3

b4

b5

b6

b7





Start Bit

Stop Bit

Set both send and receive modes to Hex in control software.

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