Quantum DXi4701, User Manual

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Chapter 2: DXi4701 Basic Operations
DXi4701 Expansion Module
36 Quantum DXi4701 User’s Guide
Figure 17 DXi4701 Expansion
Module EMM - Rear View
Table 6 DXi4701 Expansion
Module EMM - Rear Panel
Indicators and Connectors
1 2 3 4 5 6 7
Item
Indicator, Button, or
Connector Icon Description
1
System status indicator Blinks blue when the system identification button
is pushed. You can identify a particular enclosure
in a rack using the system identification indicator.
2 Debug port Not used.
3 SAS port (In) Provides connection from the Node or another
Expansion module.
4 SAS port (In) link status Indicates SAS port status:
• Lights green when all the links to the port are
connected.
• Lights amber when one or more links to the
port are not connected.
• The LED remains off if enclosure is not
connected.
5 SAS port (Out) Provides connection from the Expansion module
to another Expansion module.