What is the HP JH148A?
The HP JH148A is a SFP+ optical transceiver, listed by the manufacturer as "HPE FlexNetwork 5510 48G PoE+ 4SFP+ HI 1-slot Switch, 2 GB SDRAM, 512 MB flash, 100240 VAC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.