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HP 2530-48G (1G SFP ports) rejects the J9775A SFP+ DAC listed as an accessory
The poster configured new HP 2530-48G switches (J9281B) with J9775A SFP+ direct-attach cables bought as accessories. The ports stayed down and the log said FFI: port 49 Transceiver type not supported in this port; show tech transceivers first showed nothing and, after upgrading from YA.15.12.0007…