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Optional Connections
Your UPS will function properly without these connections.
Serial Port Connection
Using the serial cable provided, connect a serial
port on your computer to the serial port of your
UPS. See Communications in the Basic
Operation section of this manual to determine
how to monitor and manage your UPS using
this port.
External Battery Pack Connection
Check to ensure that the external batteries you
are connecting match the voltage listed on your
UPS’s battery connector. Plug either end of the
battery connection cable (supplied with the
battery pack) into the UPS’s External Battery
Connector and the other end into the Battery
Output Connector on the rear panel of the
external battery pack.
Since your UPS has internal batteries, external
batteries are only needed to extend runtime.
Adding external batteries will increase
recharge time as well as runtime. Make sure
that each end of the cable is fully inserted into
its connector. Several small sparks may result
during battery connection; this is normal.
1
2
48V/26A
1
2
SU2200RTXL2U shown
SU2200RTXL2U shown
5
Installation
(continued)
200208159 93-2091 SU Owner’s Manual.qxd 10/4/2002 3:26 PM Page 5