What is the Emerson R48-5800?
The Emerson R48-5800 is a network/telecom equipment component, listed by the manufacturer as ""NETSURE 701NVBB RECTIFIER, AC INPUT: 380-480V 10A 50/60 HZ, DC OUTPUT: -48V- 5800W"". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.