Overview; Features - Guardian DTT Installation And Operation Manual

Guardian Telecom Inc
The DTT Desk Telephone is designed to provide safe, reliable communication in Industrial locations.
The unit is housed in a rugged enclosure which makes it ideal for use in harsh environments.
The DTT can be wall mounted if desired.
Enclosure

housing - 16 Gauge steel - Zinc Dichromate plated and powder coated

faceplate – Kydex or ABS-94-V0 fire rated, durable and easy to clean
Membrane Keypad

weather tight

10 number memory

Redial - last number (up to 31 digits)

Recall – obtains dial tone without hanging up handset

Flash - 600ms timed loop break

Pause - 3 second pause in programming

Mute - disables handset microphone

Softer/Louder – 2.7 dB step per press (+8.1dB/-5.4db in 5 steps)
Epoxy Resin Circuitry Coating

encapsulates circuit boards and all of its electronics making it resistant
to corrosive agents (e.g. H
high humidity
Magnetic Reed Hook Switch

no moving parts
Surge Arrestor and Fuse

safeguards the electronic circuits and the user in the event of a high
voltage spike on the telephone line
Noise Reducing Microphone

allows a high level of intelligibility in locations with high background
noise
Tone (DTMF)/Pulse Operation

factory set for tone (DTMF) dialing

pulse dialing can also be ordered or configured in the field
Heavy Duty Handset Cord

withstands severe use
Hearing-Aid Compatible

compatible with inductively coupled hearing-aid devices
Receiver Volume Control

Switch on keypad provides 13.5dB of range

Overview

Features

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Installation and Operation
Model DTT