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Comdial OPX-X The Off-Premise Extension Instrallation Manual

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    Page 1 Installing And Programming The Off-Premise Extension Interface On The Digital Communications System 1.0 Introducing The Off-Premise Extension Interface This publication describes the features, applications, installation, specifications, and operation of the off-premise extension interface (OPX-X). The OPX-X is a multipurpose accessory with dual circuits that provide the following features: ·OFF-PREMISE EXTENSION—This feature adapts most industry-standard telephone devices to the digital communications...
    Page 2 1.1 Detailing The Specifications Electrical Specifications Power requirements: 117VAC +/- 10% single-phase @ .13A maximum Ringing voltage: 95 VAC Nominal @ 20 Hz Power rated to maximum REN = 2.0 Battery feed voltage: 50 VDC nominal Loop current limits: 20 ma min. at 1500 ohms 50 ma max. at 0 ohms DC loop limits: 1500 ohms maximum including telephony device (Approximately 20,000 feet with #24 AWG twisted-pair cable and 400 ohm device load) Cable insulation resistance: 30,000 ohms minimum Cable requirement...
    Page 3 Environmental Specifications Operating temperature: 32-122 F (0-50 C) Humidity: 90 % relative, non-condensing Mechanical Specifications Height: 3.0 in. Width: 10.25 in. Length: 11.50 in. Weight: 8 lbs. (plus 2 lbs. for packing material) Industry/Regulatory Standards FCC registered Key System: CVW7WC-12829-KF-E Hybrid/Key System: CVW7WC-16553-MF-E FCC certified, Part 15 (class A) UL listed Leased Line Specifications Facility interface code: 0L13C Line conditioning: Dry metallic Installing And Programming...
    Page 4 2.0 Installing the Off-Premise Extension Interface 2.1 Detailing The Mounting Considerations ·You can attach the OPX-X to any sturdy, flat, surface. It may be vertically rack mounted if desired. ·you must locate the OPX-X within six (6) feet of the proper electrical outlet. It requires a 117VAC circuit, with a third-wire ground, supplied to a standard (NEMA 5-15R) electrical outlet. ·you must keep the distance between the OPX-X and the KSU to 25 feet or less. ·Be sure that the mounting location is secure...
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