Nortel Networks operation manual RTU-292 Operations Manual, RTU-292 THEORY OF OPERATION, 4-19

RTU-292 Operations Manual

3.1	GENERAL		3-1
3.2 FRONT PANEL CONTROLS, INDICATORS AND CONNECTORS			3-1
3.2.1		MAIN POWER SWITCH	3-1
3.2.2		HEADPHONE JACK	3-1
3.2.3		HANDSET JACK	3-1
3.2.4		HANDSET	3-1
3.2.5		SPEAKER	3-1
3.2.6		KEYPAD	3-2
3.2.7		SPEAKER VOLUME CONTROL	3-2
3.2.8		PHONES VOLUME CONTROL	3-2
3.2.9		TEL LINE BUTTONS	3-2
3.2.10		HANDSET BUTTONS	3-2
3.2.11		SPEAKER BUTTONS	3-3
3.2.12		TEL VOX	3-3
3.2.13		AUTO ANS BUTTON	3-3
3.2.14		AUDIBLE RING BUTTON	3-3
3.2.15		KEY PUSHBUTTON	3-3
3.2.16		PEAK LED	3-3
3.3	REAR PANEL CONNECTORS		3-4
3.3.1		P1 RADIO CONNECTOR	3-4
3.3.2		J1 TEL LINE	3-4
3.3.3		TERMINAL BLOCK	3-4
3.3.4		J2 LOCAL PHONE CONNECTOR	3-4
3.3.5		P2 RS-232 CONNECTOR	3-4
3.3.6		DC INPUT TERMINAL BLOCK	3-4
3.3.7		P1 AC POWER CONNECTOR	3-4
3.4	OPERATION		3-5
3.4.1		OPERATION OVERVIEW	3-5
3.4.2		USE OF THE RTU-292 SPEAKER TO MONITOR AUDIO	3-5
3.4.3		PLACING A TELEPHONE CALL	3-5
3.4.4		RECEIVING A TELEPHONE CALL	3-6
3.4.5		PUTTING A TELEPHONE CALL ON HOLD	3-6
3.4.6		USING THE HANDSET WITH THE RADIO	3-6
3.4.7		CONNECTING THE RADIO TO THE TELEPHONE LINE	3-6
3.4.8		MANUAL PHONE PATCH PROCEDURE	3-7
3.4.9		TRANSMITTER KEYING, HALF DUPLEX SYSTEM	3-8
3.4.10		TRANSMITTER KEYING, FULL DUPLEX SYSTEM	3-9
3.5	REMOTE KEY		3-9
3.6	SELF TEST		3-9
3.7	AUTOMATED OPERATION		3-9
3.7.1		TONE PROMPTS	3-9
3.7.2		VOICE PROMPTS	3-10
3.7.3		CALLING THE RTU-292 VIA THE OUTSIDE LINE	3-10
3.7.4		PLACING A CALL IN THE COMMAND MODE:	3-12
3.7.5		TERMINATING A CALL:	3-12
3.7.6		DTMF CONTROL COMMANDS	3-13
3.7.7		RTU-292 PASSWORD PROTECTION	3-16
3.7.8		INACTIVITY DISCONNECT TIMER	3-16
3.7.9		CALLING TIMER	3-16
3.7.10		USING THE RTU-292 SPEED DIAL FEATURE	3-17
3.7.11		OPTIONAL 4 WIRE OPERATION	3-18
3.8	FACTORY RESET		3-18
3.9	SPEED DIAL RESET		3-18
4 RTU-292 THEORY OF OPERATION			4-19
4.1	GENERAL		4-19

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