Guardian Telecom Inc.
Installation and Operation
DTT-50 & DTT-60 Telephones
Wiring
•
WARNING: Use properly sized cable to ensure a gas/dust tight seal at
the cable gland to maintain an IP66 rating, (M12 – 2 to 5mm),
(M20 – 8 to 13mm).
Take care not to lose parts of the gland if the cap is
removed.
•
If the telephone is wall mounted hang the faceplate on the right side of the
base using two of the faceplate screws. Be careful not to lose the "O" ring
retainers.
•
Insert the Tip and Ring cable through the M20 gland and connect the conductors
to the Phone-Line-In terminal block.
•
If an extension telephone is installed the phone line out terminals may be
utilized. A four conductor cable can be used, or an additional cable can be run
through the spare 20mm opening; if it is not occupied for other purposes.
Tip: If cable diameter is
not in the range of the
M12 or M20 glands
provided an approved
reducer and smaller
gland can be fitted.
See: Figure 5 -
Temporary Mounting for
Wiring
See:
•
Install the supplemental receiver or headset if provided
.
•
If an external alerter device is utilized remove the M20 plug, install an appropriate
cable gland and connect the wiring to the Ring Detect Relay terminal block.
Enable the Ring Detect Relay by inserting the jumper wire provided across the
Ring Detect Relay Enable terminals.
See: Retrofitting
Headset/Supplemental
Receiver, Strobe
Light/Ringer
•
Tighten the cable glands securely.
•
Mount the face plate and fasten the captive screws to the base.
•
Connect the Tip and Ring conductors at the demarcation block.
Tip: Torque screws to
1.65 ft/lbs (1.36Nm)
•
If the built in Ring Detect Relay is utilized apply power to the conductors.
Programming the DTT
•
If necessary program the features.
Testing
See: Operating Modes
and Software Features
•
Test the unit by calling to and from another unit on the exchange.
Figure 5 - Temporary Mounting for Wiring
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