... and the technology of Layer 2 Ethernet switch, CATV and high quality VoIP as well. It is ... GR-909 on POTS.Support EPON fiber transceiver, CATV Rx and RF output diagnostic monitoring, EPON fiber ... status of power supply, PON, LAN, POTS and CATV.DC power supply+12V, external AC-DC power adaptorPower ... Integrated CTC OAM.Call loss less than 0.01%. CATV Service Functions RF frequency: 45~875MHz. Turn on ...