[GRT-504] Can GRT-504 make a connection with the GRT-501?

Yes, the GRT-504 can establish a connection with the GRT-501. When GRT-504 connects to GRT-501, they will follow the 2-Wire G.SHDSL.bis standard. It provides the multi-range data rate from 192Kbps to 5.7Mbps. It also can establish a connection with the GRT-101/401/402. They will follow the G.SHDSL standard and speed up to 2.3Mbps and 4.6Mbps on 2-Wire and 4-Wire.