Compaq R6000 - Manual (Page 52)

Operation 3-5
Modes of Operation
The UPS has five modes of operation, indicated by the LEDs:
■ Standby Mode
❏ On Utility Power: green LED 1 is flashing
❏ On Battery Power: yellow LED 2 is blinking.
❏ Power is not available at the UPS output receptacles.
❏ The UPS monitors and charges batteries if required.
■ Operate Mode
❏ Green LED 1 is on.
❏ Power is available at the UPS output receptacles.
❏ The UPS monitors and charges batteries if required.
■ Bypass Mode
❏ Green LED 1 is on; yellow LED 3 is on; a five-second interval
audible alarm is active
❏ Can be enabled manually by moving the Bypass switch (on the rear
panel) from NORMAL to BYPASS.
❏ Power is available at the UPS output receptacles.
❏ Batteries are not monitored or charged.
Figure 3-4. Placing the Compaq R6000 UPS in Bypass Mode