Viking ps-2r Service Manual

VIKING©

	Telecommunication Peripheral Products		PS-2R
			Battery/Loop Boosting
	Technical Practice
			Power Supply
			June 7, 1998

Boost Talk Battery and Loop Current to Line Powered Telecom Devices

The PS-2R will boost talk battery and loop current on single analog line extensions behind PABX’s and electronic key systems. This is helpful for powering line powered devices, such as dialers and emergency phones, on low loop current extensions.

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Made in the U.S.A.

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Features Applications

•Regulated 9V DC output

•Boosts talk battery and loop current

•UL listed

Installation

Important: It is recommended that the test, shown in the diagram below, be performed to see if the PS-2R will correct the problem with the line powered device.

	Ring (Red)		Line Powered
		+
	+ Tip (Green)		Device
			9 Volt Battery

Analog

PABX/KSU extension

•Run line powered devices such as handsfree phones, Hot-Line dialers, digital announcers, etc.

•Increase maximum loop length on analog PABX/KSU stations

Specifications

Power: 120V AC/9V DC 800 ma power supply

Dimensions: 572mm x 572mm x 699mm (2.25” x 2.25” x2.75”)

Shipping Weight: .45 Kg (1 lb)

Environmental: 0°C to 32°C (32°F to 90°F) with 5% to 95% noncondensing humidity

Connections: (1) pair of wires

Line Powered

Device

Analog	120V AC
PABX/KSU
extension

If this test corrects the problem, purchase and install the PS2R in series on one side of a single line extension as shown in the diagram to the right.

Solid Wire + Striped Wire

+ Tip (Green)

Ring (Red)

Product Support Line...[phone]

Fax Back Line...[phone]

Due to the dynamic nature of the product design, the information contained in this document is subject to change without notice. Viking Electronics, its affiliates and/or subsidiaries assume no responsibility for errors and/or omissions contained in this information. Revisions of this document or new editions of it may be issued to incorporate such changes.

Fax Back Doc # 512

Printed in the U.S.A.

ZF300820 Rev A