Standby Power Supply (SPS)
4-1
4
The standby power supply (SPS) provides ac backup power required
to protect the integrity of the CX700 storage processor write cache.
This chapter describes the CX700 SPS and how to determine SPS
status.
For instructions on installing or replacing an SPS, refer to the
EMC
Rails and Enclosures (CX-Series Storage Systems) Field Installation Guide
.
IMPORTANT:
The SPS is intended to provide ac backup power for DAE and
CX-Series enclosures only.
Systems with dc power are intended for use in environments with redundant
and highly available power sources (for example, "Central Office" grade
power within the telecommunications industry), and dc power provided by
the site must meet this requirement. The sudden loss of all incoming dc
power to a storage system may cause unexpected abnormal behavior of the
storage system and loss of write-cache data.
Standby Power Supply
(SPS)
Summary of Contents for CLARiiON CX700
Page 4: ...CX700 Hardware Reference iv ...
Page 8: ...CX700 Hardware Reference viii Contents ...
Page 18: ...xviii CX700 Hardware Reference Warnings and Cautions ...
Page 56: ...2 26 CX700 Hardware Reference Setting Up and Starting a CX700 System ...
Page 74: ...3 18 CX700 Hardware Reference Servicing a CX700 SPE ...
Page 96: ...A 18 CX700 Hardware Reference Technical Specifications and Operating Limits ...
Page 104: ...B 8 CX700 Hardware Reference Customer Support ...