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2. Connect the Earth Ground wire to the faceplate grounding stud that is located in the lower-left.
3. The ETP-120 Series includes one (1) Auxiliary Input and is optionally available in a configuration that
provides one (1) Auxiliary Output. The optional single Auxiliary Output is rated at a maximum of 500
mA at 200VDC.
The Auxiliary Input connection is comprised of the red-red wires.
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ETP-120 Series Phone
Installation & Operation Manual
Rev. 7/2/2021
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