Method used to determine controllers of early and late versions

Method used to determine controllers of early and late versions:
1. Determine controllers of early and late versions by the appearance of storage devices.
The rear view of a S2300E controller enclosure displays the appearance of the controller.
a. At position ?on the controller enclosure, change the SAS interface of an old version (the shape is a trapezium) to mini interface (the shape is a rectangle).
b. At position ?on the controller enclosure, change the DB9 serial port of an old version to RJ45 serial port for system debugging (the silkscreen is changed to COM2).
c. At position ?on the controller enclosure, add an RJ45 serial port (the silkscreen is changed to COM1) for external UPS management and small system debugging of the device.
2. Determine controllers of early and late versions through command lines.
Log in to the storage's CLI mode. For a controller, enter showctrlboardinfo. For a cascading board, enter showexpboardinfo.
If ST92 is displayed, the controller version is early. If ST91 is displayed, the controller version is late.
OceanStor: admin> showctrlboardinfo
…�?
PCB Version | ST92SPCS VER.A
…�?
Enterprise Storage,Unified Storage,Reason why an UPS degrade alarm is displayed when the UPS is normal,Reason why an UPS degrade alarm is displayed when the UPS is normal:

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