Telex C-2002 technical manual Table of Contents

Remote Control Console			i
		Table of Contents
1	INTRODUCTION		1
2	CONTROLS AND INDICATORS		2
	2.1	FRONT PANEL	2
	2.1.1 Common Controls and Indicators		2
	2.2	REAR PANEL CONNECTIONS	3
	2.2.1	Rear Panel Ports	3
3	OPERATION		5
	3.1	SELECTING A LINE	5
	3.2	RELEASING A LINE	5
	3.3	MUTING A LINE	5
	3.4	SELECTING A FREQUENCY (F-TONE)	5
	3.5	SUPERVISORY CONTROL	5
	3.6	SENDING ALERT TONES	5
	3.7	VOLUME CONTROL	5
4 LINE SETUP AND DESCRIPTION			6
	4.1	INTRODUCTION/DEFAULTS	6
	4.2	FEATURE DESCRIPTION	6
	4.2.1	Crossmute	6
	4.2.2	Supervisor Function	7
	4.2.3 Relay Contact Closure For Local Control		7
	4.2.4	Two-Wire/Four-Wire Mode	7
	4.2.5	RX Side Settings	7
	4.2.6	TX Side Settings	8
	4.2.7	Transmit Monitor	8
	4.3	LEVEL ADJUSTMENTS	9
	4.3.1	Transmit Side Adjustments	9
	4.3.2	Transmit Monitor Setup	9
	4.3.3	RX Level Adjustment	9
5	HARDWARE OVERVIEW		10
	5.1	C-2002 CONSOLE	10
	5.1.1	Main PCB	10
	5.1.1.1 Line Interface		10
	5.1.2	Keypad PCB	10
	5.1.3	Display	10
6	THEORY OF OPERATION		11
	6.1	MICROPHONE INPUT PATHS	11
	6.2	AUDIO OUTPUT PATHS	11
	6.3	LINE RECEIVE PATHS LINE (ONE/TWO)	11
	6.4	SYSTEM CLOCK GENERATION	12
	6.5	NON-VOLATILEMEMORY (EEPROM)	12
	6.6	USER I/O	12
	6.7	CLONE MODE SERIAL PORT	12
	6.8	POWER REGULATION AND RESET CONTROL	12
7	SETUP MODE		13
	7.1	TECH MODE	13
	7.1.1	Erasing all settings	13
	7.1.2 Resetting the PIN Number		13
	7.1.3	Opening Display Menu	14
	7.1.4 Button Activated Setup Modes		15
	7.2	OPENING MENU	15