East Cornhusker Highway, Lincoln, Nebraska

	8601 East Cornhusker Highway, Lincoln, Nebraska, 68507
NOV. 2000	Phone: (402) 467-5321 / (800) 752-7560 Fax: (402) 467-3279	Printed in U.S.A.
NOV. 2000	E-mail: vega @telex.com, Web: www.vega-signaling.com	Printed in U.S.A.
	E-mail: vega @telex.com, Web: www.vega-signaling.com

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Contents

Audio Line Driver Inspection Table of ContentsOptional Features include Mounting Access for Installation/ServicingPower Jumper Options Signal Connections and Card Edge Con- nector Pin AssignmentFunction Jumper Status Out Microphone Jumpers Switch SettingsReceive Line Input Impedance Parallel Transmit Line Impedance Matching Controls and Indicators Interface connector NumberingSecuring the Connections Operation Description Component Side Card Edge Connector Pin Assignments Solder Side Receive Amplifier Theory of Operation GeneralCompression Limiter Circuit Transmit Line AmplifierPage Page Page Power Supply IndicatorsWarranty Limited Microphone Input Specifications Parts List Part No. Description Ckt Sym Conn Jumper Plug JP1 JP2 JP3 JP4 JP5 JP6 JP7 JP8 JP9 East Cornhusker Highway, Lincoln, Nebraska

8601 East Cornhusker Highway, Lincoln, Nebraska, 68507