Mikrotik MT48-570080-11DG is 57V, 0.8A power supply. It's part of our GPEN concept, that provides all the benefits of GPON but utilizes well-proven, simple and inexpensive Ethernet solutions.
Mikrotik MT48-570080-11DG allows using long Ethernet cable runs and multiple GPER units - please refer to the table in the last page of GPEN concept brochure in the link below.