Guardian Technologies WRT-40-A Manuel D’Utilisation

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Guardian Telecom Inc. 
 
 
 
Installation and Operation 
Model WRT-A 
 
Page 3 
 
 
 
Overview 
WRT-A Weather Resistant Telephone Series 
WRT-A 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 – satin coat primed and powder coated, with wiring 
access to surge arrestor 
Mounting Plate 
•  Stainless steel back plate for ease of mounting 
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-A-40) 
• Withstands 
severe 
use 
Hearing-Aid Compatible (HAC) Receiver 
•  Compatible with inductively coupled hearing-aid devices