Guardian Technologies CIR-41 ユーザーズマニュアル

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Guardian Telecom Inc. 
 
 
 
Installation and Operation 
Model CIR-41 
 
Page 3 
 
 
 
Overview 
CIR-41 Correctional Institute Ringdown Telephone 
The CIR-41 is a rugged, ringdown telephone designed to provide safe and reliable communication in 
locations prone to abuse and vandalism.  Calls may be received on this telephone however outgoing 
calls will only be connected to a single number – if the PABX is programmed to perform this function 
or if a Guardian AD-10 Autodialer is installed and programmed. 
 
 
Features 
Enclosure and Faceplate 
•  16 AWG steel, zinc dichromate plated and powder coated, faceplate 
secured with vandal resistant screws. 
Handset 
•  high impact ABS with locked on caps 
Hook Switch 
•  magnetic reed hook switch, no moving parts 
Surge Arrestor and Fuse 
•  prevents damage to the electronic circuits in the event of a high 
voltage spike on the telephone line 
Noise Reducing Microphone 
•  aids in clarity of transmission in noisy areas 
Armoured Handset Cord 
•  withstands vandalism and severe use 
Hearing-Aid Compatible 
•  compatible with inductively coupled hearing-aid devices