Guardian WRT-20 - Overview; Standard Features on All Models

Guardian Telecom Inc.
Installation and Operation
Model WRT
Page 3
Overview
WRT Series Weather Resistant Telephones
WRT telephones are designed to provide safe, reliable communication in areas prone to high
humidity, chemical vapors, dust and physical abuse. Several variations and options are available to
suit the end user’s requirements.
Standard Features On All Models
Enclosure
• weather tight, rugged Valox
®
& steel
• spring loaded hinged door
Faceplate
• 16 Gauge steel with wiring access to surge arrestor
Encapsulated Circuitry
• circuit boards are resistant to corrosive agents (e.g. H
2
S, SO
2
, and
NH
3
), and environments with high humidity
Surge Arrestor
• protects the user in the event of a high voltage spike on the telephone
line
Fuse
• prevents damage to the electronic circuits in the event of a high
voltage spike on the telephone line
Magnetic Reed Hook Switch
• no moving parts
Tone (DTMF) Operation
• factory set to tone (DTMF) dialing
• pulse dialing can be ordered or configured in the field
6’ Heavy Duty Handset Cord (Not Available With WRT-40)
• withstands severe use
Hearing-Aid Compatible (HAC) Receiver
• compatible with inductively coupled hearing-aid devices
Receiver Volume Control
• Switch in handset (on keypad of WRT-20), provides 13.5dB of range