Installation and Operation
DTR-51 & DTR-61 Ringdown Telephones
Page 8
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.
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:
•
If the telephone is wall mounted temporarily, hang the faceplate on the right
side of the base using two of the faceplate screws. Be careful not to lose the
"O" ring screw 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.
See:
•
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.
•
Tighten the cable glands securely.
•
Mount the faceplate and secure the captive screws to the base.
Tip:
Torque screws to
1.65 ft/lbs (1.36Nm)
•
Connect the Tip and Ring conductors at the demarcation block.
•
If the built in Ring Detect Relay is utilized, apply power to the conductors.
Programming
•
Program the PABX if necessary.
Testing
•
Test the unit by calling to and from another unit on the exchange.
Figure 5 - Temporary Mounting for Wiring
