EMC Symmetrix DMX-3

DMX-3 communications and environmental control
91
Symmetrix DMX-3 Hardware
◆ Voltage drops across major connectors
Ailing components can be detected and replaced before a failure
occurs.
Figure 16 XCM environmental control functionality
Directors (16)
Memory boards (8)
Service processor
Fans (9)
BBU modules (4, 6, or 8)
Power supplies (4, 6, or 8)
Inter
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XCM comm.
System ID
XCM