Telex MCE325 manual Table Of Contents, Description & Specifications, Installation

TABLE OF CONTENTS

Description & Specifications	1-1
Description	1-1
General	1-1
Features	1-1
Front Panel Features	1-2
Channel Selector and Operation Buttons	1-2
Volume Controls	1-2
Sidetone Nulling Trimmers	1-2
Connections, Inputs and Outputs	1-2
Front Panel	1-2
Panel Microphone Jack	. 1-2
Rear Panel Features	1-3
Intercom Lines	. 1-3
External Program Input	. 1-3
Speaker Output	. 1-4
Auxiliary Connector	. 1-4
Programming	1-4
Power	1-4
Mounting Configuration	1-4
MCE325 Specifications	1-5
General	1-5
Microphone Preamplifier	1-5
Headphone Amplifier	1-5
Speaker Amplifier	1-5
Power and Mechanical	1-5
Connectors	1-6
MCS325 Specifications	1-6

Installation	2-1
Internal Programming and Adjustments	2-1
General	2-1
Intercom Line-Channel Configurations (DS1-DS3, J6, J7, J19 & J20)	2-2
Front Panel Setup Mode Lock-out (DS4)	2-5
ISO (DS5)	2-5
Remote Talk-off (DS7)	2-5
VOX (DS8)	2-5
Program Assignment – IFB Option (J4, J5, J16-J18)	2-6
Balanced/Unbalanced Dynamic Microphone Selection (J24)	2-6
Headphone Sidetone Trimmer Adjustment (R37)	2-6
Speaker Dim Adjustment (R157)	2-6
Mechanical Installation	2-6
Electrical Installation	2-8
AC Power and Fuse	2-8
Intercom Lines J8, J9, and J10	2-8
General	2-8
Connector Pin-outs	2-8
Four-wire Output Termination	2-8
Program Inputs, J14 and J15	2-9
External Speaker, J27	2-9
Auxiliary Connector, J22	2-9
Four-Wire Channel A and B Input	2-9

Key outputs – Expanded IFB Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Remote Microphone Switch			. . . . . .			. .	.	. . . 2-10
ISO Connection			. . . . . .			. .	.	. . . 2-10
External Headset	. . . . . . . . . . .	. . . .		. .	. . . . . .				.	. 2-10
External Electret Microphone	. . . . . . . . . . .	. . . .		. .	. . . . . .				.	. 2-11

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