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Lectrosonics DMTH4 Installation And Quick Start Manual

Digital telephone hybrid
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DMTH4
Digital Telephone Hybrid
Fill in for your records:
Serial Number:
Purchase Date:
INSTALLATION and QUICK START GUIDE
Rio Rancho, NM, USA
www.lectrosonics.com

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Summary of Contents for Lectrosonics DMTH4

  • Page 1 DMTH4 Digital Telephone Hybrid Fill in for your records: Serial Number: Purchase Date: INSTALLATION and QUICK START GUIDE Rio Rancho, NM, USA www.lectrosonics.com...
  • Page 2 DMTH4 LECTROSONICS, INC.

  • Page 3: Important Safety Instructions

    Important Safety Instructions This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure -- voltage that may be sufficient to constitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature.

  • Page 4: Table Of Contents

    Control System Interconnections ... 13 Initial Setup ... 13 Master/Slave Configuration ... 14 Using the DMTH4 Control Panel to Change Master/Slave Mode ... 14 Initial Setup Hints ... 15 Example Teleconferencing Setup ... 16 Setting up the DMTH4 Main Matrix ... 17 Setting up the DM1624 Main Matrix ...

  • Page 5: Introduction

    DM Series Digital Audio Processors, its components and software menus and setup screens. To get the most out of the DMTH4 system, it is suggested to review the information presented in the DMTH4 Series Reference Manual.

  • Page 6: Controls And Features

    Front Panel TELEPHONE HYBRID INTERFACE Mode Switch POWER On/Off Switch The Power On/Off Switch is used to turn the DMTH4 on (1) or off (0). USB Port Standard USB connector for the setup and control of a DMTH4 from an Windows 2000 or Windows XP com- puter system with USB interface.

  • Page 7: Hardware Installation

    For North American installations, connect the Power Cable supplied with the unit between the DMTH4 and a stable power source. All DM processors have internal switching power supplies that can tolerate voltages ranging from 100 VAC to 240 VAC.

  • Page 8: Audio Outputs (Aux And Codec)

    DM Out to Unbalanced Input (2-Wire) Telephone Line Jack Connect a standard telephone cable with RJ11 connec- tors between the back panel Telephone Line Jack and the host telephone system. Programmable Inputs Programmable inputs are provided to enable external control over a variety of parameters. Each input can respond to a contact closure, a DC voltage source, or the variable voltage output from a potentiometer.

  • Page 9: Expansion I/O Ports

    In a stacked configuration, one unit must be configured as the Master unit and the others as Slave units. The DMTH4 is normally configured as the last Slave unit in 21 - OUT 2 a DM Series chain.

  • Page 10: Installing Lecnet2™ Software And Usb Driver

    DMTH4 Installing LecNet2 LecNet2™ is a Graphic User Interface (GUI) designed to allow easy setup and monitoring of DM components ® using Windows 2000 or XP computer systems. LecNet2™ includes the necessary Control Panels to configure and monitor all the DM series products plus the Venue Modular Receiver system.

  • Page 11: Installation Of Additional Units (Or Lecnet 2™ Devices)

    5. When the driver installation is complete, the final page of the Wizard appears. Click Finish to complete the LecNet2™ USB driver installation. Installation of Additional Units (or LecNet 2™ devices) The Windows XP operating system regards all Lecnet2™ devices as separate USB devices because each has a unique serial number.

  • Page 12: Usb Driver Installation (Windows 2000)

    DMTH4 USB Driver Installation (Windows 2000) First Time Installation When a LecNet2™ device is connected to a comptuer system running the Windows ® 2000 operating system for the very first time, the Windows Found New Hard- ware Wizard automatically opens. (Dm1624 shown for illustrative purposes only.)

  • Page 13: Basic System Setup

    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 ®...

  • Page 14: Master/Slave Configuration

    Ethernet connection, and be running the Lecnet2 “Net Server” program. Extron IPL T S - One or more DMTH4 devices may be made available for network connections by connect- ing them to an Extron IPL T S ethernet control interface.

  • Page 15: Initial Setup Hints

    WIth the DMTH4 connection configured, it is now possible to set the Master/Slave operating mode. This is done by selecting “Device Setup” from the Control Panel Menu Bar. Select “Expansion Mode” from the drop down menu and select “Slave.” Setting Master/Slave Mode...

  • Page 16: Example Teleconferencing Setup

    The following information describes setting up a DMTH4 to connect two locations for a conference. The DMTH4 is designed to be part of a DM Series chain. In this example, the DMTH4 is a slave unit to a DM1624 Series Automixer. This example also as- sumes that the hardware has been installed and is operating properly.

  • Page 17: Setting Up The Dmth4 Main Matrix

    Once the DM1624 Main Matrix has been set up, the DM1624 Expansion Bus Matrix needs to be configured so the local audio is sent back to the DMTH4 for distribution to the remote Conference Room (Confer- ence Room 2 in this example). (See Link Conference Rooms with a DMTH4, Example Setup and Conference Room Signal Flow Diagram.)

  • Page 18: Setting Up The Dmth4 Output Source Multiplexer

    The TEL output needs to be configured so that Expan- sion Final Mix 1 is sent over the telephone line for use at the remote Conference Room. 1.) Select the Out Source Tab in the DMTH4 Control Panel. 2.) Click the down arrow on the TEL Output Source selection list and select Exp Final Mix 1 from the list.

  • Page 19: Basic System Operation

    Basic System Operation The following procedures are designed to aquaint the user of the basic steps required to set up a DMTH4 and provide a foundation for developing more complex operations. It is assumed that the LecNet2™ software and drivers...

  • Page 20: Use The "Type The Number To Dial" Box

    Enable Auto Disconnect Connect LED Telephone Interface 3.) Set the desired number of rings before the DMTH4 answers the incoming call. This can be done by either entering a value from “1” (default) to “5”, or by using the up or down arrow buttons to increment or decrement the value in the “Nbr of rings”...

  • Page 21: Connecting To The Codec Interface Using The Activity Tab

    Connecting to the CODEC Interface using the Activity Tab It is assumed that the DMTH4 CODEC input and output signals on the rear panel have been connected to the video codec and that gain for each has been adjusted as needed.

  • Page 22: Fcc Part 68 Compliance

    The REN is used to determine the quantity of devices which may be connected to the telephone line. Exces- sive REN on the telephone line may result in the devices not ringing in response to an incoming call. In most, but not all areas, the sum of the RENs should not exceed five (5.0).
  • Page 23 Installation Guide Rio Rancho, NM...

  • Page 24: Warranty

    LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.

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