Specifications

7
START UP AND CHECKOUT
Power On Checkout.
Once the unit is properly mounted, you may begin the checkout procedure. First,
insure that all the equipment to be powered by the unit is installed.
Install the provided battery fuse and fuse holder cap. The fuse holder is on the right
side panel of the SEI-250. The fuse holder is on the left side panel of the SEI-500
and SEI-750.
Attach the optional SNMP Network cable, or alarm contacts cable if so optioned.
Attach the supplied AC power cord to the left side of the DC-UPS.
Plug in the DC-UPS power cord into the commercial AC outlet made available for
this unit.
When power is first applied, the unit should display a flashing green Battery Charge
Status LED and a solid green Battery Test Status LED.
Connect the user equipment to the DC-UPS output connectors located on the right
side of the unit.
Verify that the connected equipment is receiving power.
If you have a specific question not addressed in this manual, please call 1-800-765-
4SEI (1-800-4734), for technical support.