5
Your UPS will function properly without these connections.
1
DB9 Port Connection
Using the DB9 cable provided, connect a DB9 port on your computer to a DB9 port on
your UPS. On the computer, install the Tripp Lite power protection software appropriate
to its operating system. A second computer with a DB9 port may be connected to the
second DB9 port if desired.
EPO Circuit Diagrams
4-5
(UPS will turn off if EPO cord is cut or EPO plug is disconnected)
Connection (Optional)
1
2
3
2
USB Port Connection
Using the USB cable provided, connect a USB port from a computer to a USB port on
your UPS. On the computer, install the Tripp Lite power protection software appropriate
to its operating system. A second USB computer may be connected to the second USB
port if desired.
3
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 protector; do not connect a
phone line to this port.