Compaq R6000 Series - Manual (Page 54)

Operation 3-5
Compaq Confidential – Need to Know Required
Writer: Daniel E. Lyons Project: Compaq R6000 Series UPS Operation and Reference Guide Comments: revised as per A. May
Part Number: 37223-022 File Name: d-ch3.doc Last Saved On: 3/24/99 1:39 PM
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.
NORMAL
BYPASS
NORM AL BYPAS S
138425244-001 REV . P00
1
&
4 2
1 4 2 3 5
5 5 5
3 3 2 2
2 3
1
1 1
4 4 4
3
Figure 3-4. Placing the Compaq R6000 UPS in Bypass Mode