StudioTech M45-00151

Issue Preliminary 2, March 2009 Model 45 User Guide

Page 30 Studio Technologies, Inc.

Interfacing Clear-Com® Matrix Intercom System Analog Ports with the

Model 45 Interface

Appendix C

Contents

Main Page Table of Contents Page Introduction 2-Wire Party-Line Interface Analog Hybrids with Auto Nulling 4-Wire Interfaces Pro Audio Quality Special Applications Simple Installation Design Philosophy Installation Shipping Carton Contents Locating the Model 45 Protecting the Enclosure Rack Mounting the Model 45 4-Wire Audio Inputs and Outputs 2-Wire Party-Line Intercom Connections Model 45 Power Source Page Initial Operation Configuration Using the Connected 2-Wire Party-Line Circuit as the Model 45s Power Source Model 45 Provides 2-Wire Party-Line Power Source Auto Null Button Operation Auto Terminate Disable 4-Wire Mute during Auto Null Operation External 24 Volt DC Power Source Page 2-Wire Circuit Serves as the Units Power Source Level Meters Auto Null Auto Terminate Disable 4-Wire Mute During Auto Null Technical Notes Software Version Display Two Units can be a TW-12B Replacement Page Specifications