Connecting Power To The Unit - Paradyne Hotwire 7985 Installation Instructions Manual

Connecting Power to the Unit

Connecting the Unit to an Optional External +24 Vdc Power Source
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2
If your package includes a power pack: Plug the power pack into an ac outlet
having a nominal voltage rating between 100–240 Vac. Connect the output cable
of the power pack to the connector marked POWER on the rear panel.
If your package includes a direct-connection +24 Vdc power cable: Connect the
unit to an external +24 Vdc SELV (Safety Extra Low Voltage) power source as
described in Connecting the Unit to an Optional External +24 Vdc Power Source .
If you will use a –48 Vdc power supply: Connect the unit to an external –48 Vdc
SELV power source as described in the documentation shipped with the power
supply and power cable.
Using the dc power cable, the Hotwire 7985 Standalone Termination Unit is
capable of operating on a +24 Vdc SELV power supply.
Procedure
To use the dc power cable:
1. Connect the green wire to a suitable ground.
2. Connect the orange wire to the +24 Vdc source.
3. Connect the white wire to the return.
4. Cut the black, red, and blue wires off at the outer insulation.
5. Plug the power connector into the 7985 Standalone Termination Unit.
Black
1
Red
2
Green
3
White
4
Orange
5
Blue
6
+24 Vdc Power Supply Pinouts
March 1999
X
X
Ground
RTN
+24 Vdc
X
99-14158-02
7985-A2-GZ40-00