
Appendix D
UPS Controller
D-3
D.3
Configuration of Signal Lines
This section provides the signal definitions.
shows the configuration of signal lines when the UPS is connected.
FIGURE D-2
Connection Between the Server and UPS
TABLE D-1
Signal Line Definitions
Signal Name
Definitions
Pin Number
Remarks
*BPS/*UALM
Indicates a UPS error.
6
Normal state: Off
Abnormal state: On
*BTL
Indicates that the battery level of the UPS has
decreased and warns that battery power will be
unavailable after a certain period of time has
elapsed.
7
Normal state: Off
Abnormal warning:
On
(Note 1)
*BTL
*BPS/*UALM
*ACOFF
SG
UPS cable
UPS
Server
7
6
9
5
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