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AC Power (Mains) Connections
DNH Power Supply
Installation Note
Before You Begin
Instructions
26 • • • • Installation
Each of the DNH electronic modules has a Power Supply Assembly lo-
cated below the DataNET Hub board. Each power supply can accept
inputs from 85-264 VAC, 47-63 Hz without the need for setting switches
or jumpers.
Depending upon the user configuration the power supplies can be con-
nected in parallel and powered from a single power source or each sup-
ply can be powered from two independent power sources. In either case
disconnects must be provided for each input power source.
The DNH should be installed in a rack or wall mount; see Wall or Rack
Mounting Installation; page 17. How you route the cable and wire to the
DNH is dependent upon the site requirements. See Site Wiring Require-
ments (page 19) to determine the requirements for your site.
All wiring shall conform to the National Electrical Code (NEC) and/or
other national or local code requirements.
Step
1.
Shut off the primary AC Power Supply lines to this location.
2.
Open the door of the DNH by loosening the four captive
screws located on each corner; use a 4mm Allen wrench.
AC INPUT CONNECTOR
Action
2000585-001
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