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D-2 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
D.3 Signal Line Configuration
This section provides the signal definitions.
FIGURE D-1 shows the configuration of signal lines when the UPS is connected.
FIGURE D-1 Connection with UPS and the Server
TABLE D-1 Signal Line Definitions
Signal Name Definitions Pin Number Remarks
*BPS/*UALM Signal indicates faulty UPS conditions. 6 Normal: OFF
Failure: ON
*BTL Signal provides a warning of a low battery level and a
pending UPS failure.
7Normal: OFF
Warning: ON
(Note 1)
*BTL
*BPS/*UALM
*ACOFF
SG
UPS cableUPS Server
7
6
9
5