Guardian Telecom Inc.
Installation and Operation
DTT-50 & DTT-60 Telephones
Page 8
Retrofitting Headset/Supplemental Receiver, Strobe Light/Ringer
•
Disconnect telephone wiring at the demarcation block and ring detect relay
power at the breaker to avoid shock hazard.
•
Loosen the four captive screws in the faceplate and detach the face plate from
the base.
•
If the telephone is wall mounted temporarily hang the faceplate to the right side
of the base using two of the faceplate screws. Be careful not to lose the "O" ring
retainers.
See: Figure 5 -
Temporary Mounting
for Wiring
•
Install the options following the instructions below.
•
Tighten cable glands securely.
•
Carefully replace the front plate and install all four screws.
•
Reconnect telephone and ring detect relay wiring.
•
Test the unit by calling to and from another unit on the exchange.
Tip: Torque screws to
1.65 ft/lbs (1.36Nm).
Headset / Supplemental Receiver
•
If wall mounted install the Headset/Supplemental Receiver hanger to the wall
4" to 6" to the right of the telephone.
•
Remove the M12 plug on the side of the face plate and install the accessory
cord gland.
•
Insert the cord through the gland until the sleeve protrudes 1 cm into the face
plate and tighten the gland securely.
Note: Headset Kit
part no. P3031 or
Supplemental
Receiver part no.
P3024 required.
See: Figure 1 -
Features
•
Connect the headset wiring to the headset earpiece and microphone terminal
block or if the Supplemental Receiver is utilized connect the wiring to the
headset earpiece terminal block connector.
•
If the headset is utilized program the phone to recognize the headset (Register
Number 54).
See: Figure 4 - Wiring
See: Operating
Modes and Software
Features
Strobe Light /Loud Ringer
•
Remove the M20 alerter device wiring plug from the base and install a cable
gland.
•
Insert the cord through the gland into the face plate or base and tighten the
gland.
See: Figure 1 -
Features
•
Connect the Strobe Light or Loud Ringer wiring to the Ring Detect Relay
terminal block.
•
Enable the Ring Detect Relay by inserting the provided jumper wire across the
Ring Detect Relay Enable terminals.
