LAN ports and high through-put. The DRG 580 supports the full range of. Class 5 services (e.g. Call Waiting, 3-party call, Call Forwarding, Caller Line DRG 800 Multi-rate support for future proof deployment The next generation DRGs from PacketFront are multi-rate. They support autosensing of 100Mbit/s and 1BECS, SMT, HMT and BBE are trademarks of PacketFront Software AB. This manual is geared towards helping troubleshooting problems in a network when using DRG Ease Access can be complemented with a Switch module as well as. CATV service functionality. DRG Ease is PacketFronts world-leading