3
Connecting the Unit 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 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 79xx Standalone Termination Unit.
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2
3
4
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X
X
Ground
RTN
+24 Vdc
X
Black
Red
Green
White
Orange
Blue
99-14158-02
+24 Vdc Power Supply Pinouts