HP Switch

HP Support Seite

Support

System Description HP ProCurve 1810G - 24 GE, P.2.23, eCos-2.0, CFE-2.1 PROCURVE J9450A

System Description HP ProCurve 1810G - 8 GE, P.2.23, eCos-2.0, CFE-2.1 PROCURVE J9449A

System Description HP V1810-48G, PK.1.4, eCos-2.0, CFE-3.8 J9660A

HPE OfficeConnect 1920S Switch series starts here; select "1920S" as Switch series and then pick up a software release

Another way is to go directly to HPE MyNetworking Portal (that is my preferred way since I always know the Switch product name or its SKU) and, once there, filter by searching the right SKU for your Switch (it is the JL381A)