Installing The Dtt Telephone - Guardian DTT Installation And Operation Manual

Guardian Telecom Inc

Follow all appropriate electrical codes and use only approved electrical
fittings for the installation.

To change the Tone/Pulse setting to pulse, if required:
o Remove the four top screws and carefully remove the cover.
o Move the jumper from pins 1 & 2 of the Tone/Pulse connector to
pins 2 & 3.
o To change the setting back to tone move the jumper back to
pins 1 & 2.
o Replace the cover and the four screws.
Note: The model DTT can be either desk mounted or wall mounted.

If the DTT is to be desk mounted simply place it in the desired location.

If the DTT is to be wall mounted follow these instructions.
o Remove the four top screws and carefully remove the cover.
o Disconnect the harness plugs and set the cover aside.
o Using a flat screwdriver or similar instrument carefully pry the chassis
away from the base at the four corners.
o Loosen the locknut on the forty-five degree cable gland, rotate the
gland 180 degrees and re-fasten the locknut.
o Secure the base to the wall at the desired location.
o Rotate the chassis 180 degrees from the original orientation and snap
it back into the base.
o Rotate the cover 180 degrees from the original orientation and
reconnect the harness plugs.
o Replace the cover and the four screws.

Ensure that none of the electrical connection circuits are live.

Connect the Tip, Ring and Ground conductors in the cable provided to the
telephone line at a junction box.

Test the unit by calling to and from another unit on the exchange.

Installing the DTT Telephone

Installation and Operation
Page 6
Model DTT
See: Government
Certification.
Tip: The DTT is factory
preset for DTMF tone.
See: Figure 2 - Wall
Mounting
See: Figure 3 - Internal
Wiring
See: Figure 4 -
Mechanical Assembly
Note: Tip and Ring are
not polarity sensitive.