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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
N
O
R
M
A
L
B
Y
P
A
S
S
138425244-001 REV. P00
1
&
4
2
14235
555
3322
231
11
444
3
Figure 3-4. Placing the Compaq R6000 UPS in Bypass Mode