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3-8 Compaq 2000 Series UPS Operation and Reference Guide
Overcurrent Protection
Overcurrent protection is provided using the resettable circuit breakers located
on the rear panel. The following models have overcurrent protection:
Table 3-7
Overcurrent Protection
UPS Model Device
T2000 Circuit breakers for each load segment
T2000j Circuit breakers for each load segment
T2400h Input circuit breaker
No protection for load segments
T2400h-NA Input circuit breaker
No protection for load segments
Placing the UPS in Operate Mode
The 2000 Series UPS may be placed in Operate mode if either of the following
conditions apply:
■ The UPS is powered up and in Standby mode (LED 16 is off)
■ The UPS is powered off; no utility power is available
Press and hold the ON button (
) until the LED 16 (ON LED ) turns green,
indicating that power is available at the UPS output receptacles. The UPS
acknowledges compliance with a short beep.
IMPORTANT: If using battery power (no utility power present), press the ON button and
hold for three seconds. The UPS will conserve battery power by omitting the self-test.