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| How do I run a repeater unit on 12VDC power instead of AC? |
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These modification instructions are provided as a general guide. You may do this modification at your own risk. JEFA Tech is not responsible for damage to your repeater unit or other property in the case of an improper modification. Please use common sense and safety precautions with this and any modification of your hardware.
The repeater unit hardware requires 12VDC power to operate which makes this an easy modification. The AC power supply that is included with your repeater unit is converting 120VAC to 12VDC. The power on the thin black cable going from the power adapter to the repeater unit is 12VDC. The easiest way to directly power the repeater unit with 12VDC is to just cut off the AC power adapter and then connect the wire directly to a 12VDC power source. Leave yourself a few inches of cable attached to the power supply in case you want to re-splice back into the AC power adapter at a later time.
Once you have cut the wire, notice that it is two wires fused together. The wire with the white "dots" or "stripes" is the 12V+ wire. The solid black wire (it may have writing on it, but not the stripes) is the 12V- wire. Do not connect these backwards! The repeater unit does not have a fuse or any protection against a reverse polarity 12V connection. For testing purposes, the center of the power plug is 12V+ and the outer ring is 12V-. As with any 12VDC application, a fuse is recommended.
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