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Telos Digital Hybrid Telephone Interface Telos 100 Delta User Manual

Telos Digital Hybrid Telephone Interface Telos 100 Delta
51 pages
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Telos Digital Hybrid Telephone Interface Telos 100 Delta Specifications

General IconGeneral
Telephone InterfaceRJ-11
ConnectorsXLR, RJ-11
Power12VDC
TypeDigital Hybrid
Model100 Delta
CategoryTelephone Hybrid
Input Channels1
Output Channels1
Power SupplyExternal

Summary

Introduction to Telos 100 Delta

1.1 Overview and Features

Provides a general overview of the Telos 100 Delta's purpose and features, detailing advanced DSP capabilities.

Hardware Design and Architecture

Explains the hardware design, its reliance on analog-to-digital converters, and overall structure.

Telos 100 Delta Installation Guide

2.1 Getting Started

Covers initial setup, physical placement, and audio connections.

2.1.1 Physical Considerations

Recommends rack mounting and avoiding interference sources for optimal placement.

2.1.2 Audio Connections

Details input/output configurations, digital I/O provision, and signal flow.

2.1.3 Mix-Minus Setup

Explains the concept of feeding mix-minus audio to the hybrid for proper operation.

2.2 Connection to the Telephone Line

Describes LINE/PHONE modular jacks, auto-answer capabilities, and line types.

2.3 Power Supply and Requirements

Details the universal power supply, voltage operation, and fuse specifications.

2.4 Remote Control Interface Setup

Explains the DB9 connector for remote control functions and default operation modes.

2.5 Software Versions and Feature Updates

Discusses software programmability, upgradability, and feature customization.

Telos 100 Delta Operation Guide

3.1 Metering and Signal Level Indicators

Explains the input/output level and gain reduction meters for monitoring.

3.2 ON/OFF Control Functions

Describes the function of the ON and OFF buttons for line seizure and call handling.

3.3 Send Audio Processing Techniques

Details highpass filter, AGC, and pitch-shifter for optimizing send audio quality.

3.4 Receive Audio Processing Features

Covers lowpass filter, highpass filter, AGC, gate, and equalizer for receive audio.

3.5 Duplex "Ducking" Subsystem Explained

Explains duplex depth settings and their impact on conversation flow and feedback.

3.6 Feedback Control Strategies

Provides methods to prevent feedback issues in various scenarios like open speakers.

3.7 Utility Mode and Test Functions

Explains how to set permanent operational modes and enter test states via utility mode.

Technical Data and Troubleshooting

4.1 Overview and Philosophy

Discusses the changing nature of broadcast engineering and troubleshooting philosophy.

4.2 Digital Section Details

Details the digital signal processing, processors, and A/D/A interface.

4.2.1 Digital Section Theory of Operation

Explains the DSP processor and A/D/A interface workings.

4.2.2 Digital Section Troubleshooting Guide

Provides steps for diagnosing issues with the digital components and clocking.

4.3 Audio Section Details

Describes the audio circuitry, active hybrid function, and signal path.

4.3.1 Audio Section Theory of Operation

Details the active hybrid function and signal path.

4.3.2 Audio Section Troubleshooting Guide

Offers guidance on diagnosing audio circuit problems using signal tracing.

Telos 100 Delta Drawings and Schematics

Digital Schematic Diagram

Presents the circuit diagram for the digital processing board (DSP Board).

Audio Schematic Diagram

Shows the schematic for the analog audio circuitry (Analog Board).

Front Panel Component Layout

Illustrates the layout and connections of the front panel components (Display Board).

Warranty and Safety Information