DG-GO4204-8E DIGISOL DG-GO4200 series EPON OLT products are 1U height 19-inch rack mount products. The features of the OLT are small, convenient, flexible, easy to deploy and high performance. It is appropriate to be deployed in a compact room environment. The OLT’s can be used for “Triple-Play”, VPN, IP Camera, Enterprise LAN, and Internet service provider applications. There are two products in this series, DG-GO4204-8E, and DG-GO4208-12E4SFPP.DG-GO4204-8E provides 4GE(copper) and 4SFP slots independent interface for uplink, and 4*EPON OLT ports for downstream. It can support overall 256 ONU’s with 64 ONU’s per PON port. DG-GO4208-12E4SFPP provides 8GE(copper) and 8SFP slots independent interface for uplink, and 8*EPON OLT ports for downstream. It can support overall 512 ONU’s with 64 ONU’s per PON port. It also has a redundant power supply.