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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