Lectrosonics DMTH4 User Manual download pdf (Page 13)

Installation Guide

Rio Rancho, NM

Basic System Setup

Control System Interconnections

In addition to a Windows

2000 or XP based computer

system, DMTH4s can be controlled by external serial

control system using the RS-232 interface, such as

those from Crestron

and AMX

Two RS-232 cables are provided. They are identiﬁed

by the color of the cable. The black cable is used to

connect a computer system to the DMTH4 and the red

cable is used to connect a serial control system such as

those from Crestron

or AMX

Warning: Do not use the black cable for

Crestron

or AMX

connections. It is strictly

for use with a WIndows

2000 or XP computer

system.

Note: Crestron

is a trademark of Crestron

Electronics, Inc. AMX

is a registered tradename

of AMX Coporation.

Initial Setup

The initial setup of a DMTH4 system is a relatively

simple three step process: connect the unit to the

computer, turn on the computer and start the appropri-

ate control panel, preset the input, matrix and output

source. This process assumes that LecNet2™ and,

if necessary, the USB driver have been previously

installed. If they have not been installed, please refer to

Installing LecNet2™ Software and USB Driver.

1) Connect the computer system to the DMTH4 unit

using either the BLACK DB9 to stereo mini (TRS

1/8”) cable for RS-232 communications or the USB

cable for USB control. (Both cables are included

with the unit.)

Note: Only one DMTH4 unit at a time can be

connected to the computer system using a single

RS-232 cable. Multiple units may be connected

using multiple RS-232 cables, each attached to

a separate COM port on the computer system.

Multiple units may be connected using multiple

USB cables and multiple USB ports on the

computer system, or a USB hub attached to the

computer system.

2) Turn the computer system on. After the boot se-

quence is complete, turn on the DMTH4. When the

DMTH4 STATUS LED glows steadily, click Start,

then All Programs on the computer system

3) Select LecNet2, then select the control panel from

the list for the DMTH4 unit being set up.

4) If the “Just a Reminder” dialog appears, click OK

to continue.

5) Click Connection on the Main Menu bar, then

select the type of connection between the computer

system or external control system and the DMTH4

unit. The choices are:

USB - used when the computer is connected to the

DMTH4 unit via the front or rear panel USB port.

Connecting to DMTH4 through USB

USB Port

RS-232Port

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Lectrosonics DMTH4 User Manual Page 13

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