Sim2 Multimedia HTL40 - Manual (Page 3)

SIM2 HTL40
RS-232C CONTROL SPECIFICATIONS
3
1. Introduction
This document describes the communication and data formats used to control SIM2 HTL40 via RS-232C
port.
2. Connection
Switch off your Personal Computer and HTL40 before connecting RS 232C cable.
Use a standard serial cable with 9 pin female to the Personal Computer and 9 pin male to the HTL40: pin 2
connects to pin2, pin 3 to pin 3 and pin 5 to pin 5.
SIM2 HTL40 RS-232C Port is described as follows.
SIM 2 HTL40 RS-232C Control Port:
Pin No Signal Definition
1 N/A Not used
2 TD Transmit data
3 RD Receive data
4 N/A Not used
5 GND Ground
6 N/A Not used
7 N/A Not used
8 N/A Not used
D-SUB 9-pin
(female)
5 1
9 6
9 N/A Not used
Switch on the Personal Computer and, after start up, switch on the HTL40.
Load a suitable communication software onto your Personal Computer, and set the Serial Port Parameters as
shown below.
Communication Parameters:
Parameter Value
Transfer Rate 19200 bps
Data Bits 8
Parity Bit None
Stop Bit 1
Flow Control None
Set Send Mode and Read Mode to HEX.