Viking ps-2r Service Manual

Telecommunication Peripheral Products

Battery/Loop Boosting

Technical Practice

PS-2R

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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• 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.

Analog

PABX/KSU

extension

Ring (Red)

+

Tip (Green)

+

9 Volt Battery

Line Powered

Device

ApplicationsFeatures

• 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% non-

condensing humidity

Connections: (1) pair of wires

Line Powered

Device

Analog

PABX/KSU

extension

120V AC

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.

Tip (Green)

+

Ring (Red)

Solid Wire Striped Wire

+

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.

Printed in the U.S.A.Fax Back Doc # 512

ZF300820 Rev A