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JetStor SAS 742JD
18
User Manual
2.5 Expander Module
The Expander Module contains the SAS expander. It can be used to upgrade the
SAS expander firmware. It also contains the SES module (SCSI Enclosure Services).
SES is the protocol used for enclosure environmental control.
The SES module monitors the following enclosure conditions: temperature, power
supply voltage, and fan speed.
2.5.1 Expander Module Panel
Part
Description
RS-232 Port
Use to upgrade the firmware of the
expander module. Connect the serial cable
RJ11-to-DB9 to your system’s serial port.