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Connection (Optional)
Your UPS will function properly without these connections.
DB9 Port Connection
Using the DB9 cable provided, connect a DB9 port on your computer to a
DB9 port on your UPS. Install on the computer the Tripp Lite power pro-
tection software appropriate to its operating system. A second computer with
a DB9 port may be connected to the second DB9 port if desired.
USB Port Connection
Using the USB cable provided, connect a USB port from a computer to a
USB port on your UPS. Install on the computer the Tripp Lite power pro-
tection software appropriate to its operating system. A second USB com-
puter may be connected to the second USB port if desired.
EPO Port Connection
Using the RJ11 cable provided, connect the Emergency Power Off (EPO)
port of your UPS to a user-supplied normally closed or normally open
switch according to the circuit diagram below. The EPO port is not a phone
line surge suppressor; do not connect a phone line to this port.
DB9 Connection
USB Connection
EPO Connection
EPO Circuit Diagrams
(UPS will turn off if EPO cord is cut or EPO plug is disconnected)