DMP Electronics 734N Series, Installation And Programming Manual

Page: 26 / 60

22 734N Series Installation and Programming Guide | Digital Monitoring Products, Inc.
Connect the Power Supply
The device can also be powered by a 12 VDC plug‑in power supply (Model 376L) or
a 12 VDC external power supply (Model 505‑12). When using a plug‑in power supply,
mount the device near a wall outlet.
1. Remove the housing cover.
2. Install the supplied jumper on the two pins next to EXT on the power source
header.
3. Wire the power supply to the DC power terminals by following the power
supply‑specific instructions below.
4. Snap the cover into place.
Plug‑In Power Supply
Connect the black wire with the white stripe to the positive (+) terminal and
the solid black wire to the negative (‑) terminal. Plug the power supply into an
unswitched 110 VAC outlet.
External Power Supply
Use 22 AWG wire to connect the DC power terminal block on the device to the DC
power terminal on the 505‑12 power supply PCB. Connect the transformer to an
unswitched 120 VAC 1.5 Amp power source.
9