APC EPW9 Power Supply User Manual


 
5. Connect a suitable ground or PE wire to the
#8-32 ground stud in the lower left corner of
the EPO box.
Mount Additional EPO Boxes
There are two alternatives for wiring additional EPO boxes. Either cascade the boxes only to wire devices
to one box (see “Cascade Multiple EPO Boxes“), or wire devices directly to each EPO box (see “Direct
Wiring Alternative“).
Cascade Multiple EPO Boxes
When cascading EPO boxes, connect a wire pair from each device to the rst EPO box according to the
procedure in “Connect Devices to the EPO Box“. Jumper the subsequent EPO boxes with cascading
cables (standard CAT-5 cable)— this procedure will join the EPO boxes in parallel.
10
Emergency Power Off System Installation and Operation
990–1611C-001