TEST/ALARM RESET button. If the BATTERY LOW/REPLACE indicator
flashes, allow the UPS to recharge for 12 hours and repeat the self-test. See
“Initiating a UPS Self-Test” in this chapter.
UPS LOAD Indicator (Red)
Illuminates automatically under the following conditions: utility power is
absent, the UPS is operating from the battery and an overload condition exists.
Flashes when the UPS detects overload conditions of 100 percent of rated
load. The UPS will shut down and the indicator will illuminate continuously if
the UPS load exceeds 100 percent of rating. Remove excess load immediately
and initiate a self-test to clear the shutdown latch.
You can detect the presence of an overload by conducting a self-test. See
“Initiating a UPS Self-Test” in this chapter.
Rear Panel Overview
Compaq Pro UPS 500 models have the following rear panel configurations:
IMPORTANT:
There are no user-serviceable parts inside the UPS. Do not open the UPS
for any reason.
Compaq Pro UPS 500: 120V and 100V
Models
Figure 3-6. Rear panel of Compaq Pro UPS 500: 120V and 100V models
1)
Battery- and Surge-Protected receptacles.
2)
RJ11 Phone/Fax surge protector (available on select
models).
3)
DB9 Communications port.
4)
Surge-Protected receptacles.
5)
Non-detachable power cord with NEMA 5-15 plug.
6)
Battery Replacement Door.
2
1
6
3
4
5
3-9