Paradyne Hotwire 7974, User Manual

Page: 30 / 165

Initial Startup and Configuration
3-2
7970-A2-GB20-00 August 1999
Connecting Power
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-conn24 Vdc power cable: Connect
the unit to an ex24 Vdc power source as described in
Connecting the Unit
to an Optional Ex24 Vdc Power Source.
If you will use a –48 Vdc power supply: Connect the unit to an external –48
Vdc power source as described in the documentation shipped with the power
supply and power cable.
Connecting to an Optional Ex24 Vdc Power Source
Using the dc power cable, the Hotwire 79xx Standalone Termination Unit is
capable of operating on a +24 Vdc 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 Power receptacle of the unit.
1
2
3
4
5
6
X
X
Ground
RTN
+24 Vdc
X
Black
Red
Green
White
Orange
Blue
99-14158-02
+24 Vdc Power Supply Pinouts