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Glensound GSGC5G User Manual

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G GLENSOUND ELECTRONICS LTD
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Date 22/06/00 File AP71-14 Issue 1
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GSGC5G
ISDN MIXERS
PRODUCT DETAILS
CONTENTS
Approvals Page 1
General Information Page 2
Installation information Page 3
Operating Instructions Page 4
Software Configurations Page 6
Hardware Configurations Page 10
MPEG Notes Page 11
A2-14030 Panel View
A4-14194 Block Diagram
A3-14196 GSP45 Circuit Diagram
A2-14198 GSP46 Front PCB Circuit Diagram
A3-12586 GSH86 Circuit Diagram
A4-12580 Power Supply Circuit
AP13-09 Specifications (2 Pages )
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Glensound GSGC5G Specifications

General IconGeneral
Headphone Output1
AES67Yes
DanteYes
Ethernet Ports2
Frequency Response20 Hz - 20 kHz
Signal to Noise Ratio> 90 dB
Weight3.5 kg

Summary

Approvals

CE Approval

Conforms to EMC Directive 89/336/EEC, Emissions & Immunity Standards.

UK BABT Approval

Approved by British Approvals Board for Telecommunication for ISDN connection.

NET 3 Approval

Fully approved for use as a digital terminal adapter on PSTN.

Bridging CTR Approval

Terminal adaptor has bridging CTR approval for EEC use.

Swiss BAKOM Approval

Unit has approval for use in Switzerland.

General Information

Unit Comparison

Compares GSGC4 (cut-down) and GSGC5 (more channels) for reporter vs. multi-person use.

Available Codecs

Lists available codec types: G722, APTX, DUAL, ISO/MPEG LAYER 2.

Booklet Content Overview

Explains what the booklet covers (audio chain, power) and omits (codec, TA circuits).

ISDN Installation

ISDN Connection Steps

Steps to connect the equipment to an ISDN line and power.

X21 Interface Details

Information on the rear panel X21 interface and its pinout.

Interface Operation

Describes interface speed and behavior when both ISDN & X21 ports are connected.

Operating Instructions

Power Supply Options

Details internal D Cells and external DC supply with a switch for fallback.

ISDN Line Connection

How to connect the equipment to an ISDN2 circuit using a supplied lead.

Incoming Call Handling

Explains manual or automatic answering of incoming calls.

Dialing Procedures

Instructions for dialing studio numbers and sub-addresses.

Redial Functions

How to use last number redial and memory redial for stored numbers.

DTMF Signaling

Using DTMF tones to signal the studio or receive signals.

Mixer Setup and Levels

Describes mixer channels, controls, PPM, and compressor/limiter.

Headphone Monitoring

Explains how mixer output and cue program are heard in headphones.

Analogue Line Usage

Using cue output as input and mixer output for analogue lines.

Software Configurations

Factory Default Settings

Procedure to restore factory default settings via button combinations.

Power-On Mix Configuration

Setting which channels are switched on when the equipment powers up.

Forced Channels on Connection

Ensures specific channels are forced ON when a connection is made.

Forced Channels Off on Connection

Allows specific channels to be forced OFF when a connection is made.

Automatic Answer Mode

Configures the unit to automatically answer calls or wait for an button press.

ISDN Ringer Settings

Controls the sounder for incoming ISDN calls.

DTMF Ringer Mode

Uses incoming DTMF tones to operate the front panel sounder.

Incoming B Channel Selection

Selects which ISDN B channel (B1 or B2) the box will answer.

Outgoing B Channel Selection

Selects which ISDN B channel (B1 or B2) to use for outgoing calls.

Storing ISDN Numbers

Permanently stores up to 12 frequently used ISDN numbers.

Sub-Address Mode Setup

Allocates a sub-address to the box for matching incoming calls.

MSN Mode Setup

Allocates an MSN number to the box for matching incoming calls.

'Attention' Mode Setup

Enables a 'Beep Beep' noise for codec lock loss or ISDN disconnects.

Hardware Configurations

Headphone Configuration

Details split-ear headphone connections and internal links for mixing.

Headset Connector Options

Describes standard Neutric jacks and options for fitting XLR connectors.

MPEG Notes

MPEG Operation Modes

Explains how the MPEG codec attempts to lock and its sampling rates.

Forcing MPEG Codec Modes

Details how to use dial codes to force specific MPEG codec modes.

Auxiliary Data Installation

Describes installing a serial port for data transmission via the MPEG codec.

Specification

Microphone Input Specifications

Details input impedance, frequency response, gain, THD, and noise for mic inputs.

Tape Input Specifications

Details input impedance, frequency response, gain, THD, and noise for tape inputs.

Mixer Output Specifications

Details output impedance, level, limiter threshold, and compression ratio.

Cue Input Specifications

Details input impedance, frequency response, and gain for the cue input.

Cue Output Specifications

Details output impedance and level for the cue output.

Headphone Output Specifications

Details output impedance and max output level for headphone outputs.

Power System Details

Describes internal battery type, life, and external DC supply connector.

ISDN Circuit Standards

Details ISDN line connector, standards, and B channel usage.

Codec Options Explained

Explains G722, APTX, Dual, and ISO/MPEG Layer 2 codec functions.

SW56 Operation Mode

Describes operation as an ISDN end on a switched 56 service.