Chrysler IA-IWS1 I n t ro d u c t i o n, Com Por t Setup, IA IN and OUT Por t Pin Configuration

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A P P E N D I X A: RS - 232 S E R I A L O V E R V I E W A N D C O M M A N D S

I n t ro d u c t i o n

This document outlines Chrysalis’ InstallAdvantage (IA) RS-232 protocol specification. This protocol indicates how IA products receive run-time commands from devices such as Creston Universal Remote Controls.

Com Por t Setup

Use standard communications settings: Baud Rate: 9600, Data Bits: 8, Parity: None, Stop Bits: 1

IA IN and OUT Por t Pin Configuration

IA serial ports use a standard configuration that allows direct connection to a PC via a FEMALE to MALE serial cable. It uses only three pins (Transmit, Receive, Ground).

The pin configurations are:

IN:	Pin 2 = Transmit
	Pin 3 = Receive
	Pin 5	= Ground
OUT:	Pin 2	= Receive
	Pin 3	= Transmit
	Pin 5	= Ground

Runtime Command Format

Byte Number	Byte Description	Notes
0‘#’		Header Character
1 to 3 or 4	Command and	3 to 4 ASCII characters see formats below
	Parameter Data	Case sensitive - CAPS ONLY!
4 or 5	‘$’	Termination Character (required or command is ignored)

InstallAdvantage IA-400D Amp manual 16