Hp Array Controller HSG V8.7 Software Manuel d'utilisateur Page 52

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128 HSG80 Users Guide
External Cache Battery
To preserve the write-back cache data in the event of a primary power
failure, a cache module must be connected to an external cache battery
(ECB) or a UPS.
DIGITAL supplies two versions of ECBs: a single-battery ECB for
single controller configurations, and a dual-battery ECB for dual-
redundant controller configurations, which is shown in Figure 110.
Figure 110ECB for Dual-Redundant Configurations
Item Description Part No.
Dual battery ECB SBB (Storage
Building Block)
DSHS35XBD
Single battery ECB SBB DSHS35XBC
1 Shut off button
2 Status LED
3 ECB Y cable for the BA370 Enclosure
ECB Y cable for the Data Center
Cabinet
170447903
170447904
4 Micro-D port for second battery
CXO5713A
CACHE
POWER
STATUS
SHUT OFF
CACHE
POWER
STATUS
SHUT OFF
3
~
4
2
1
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