Enhanced Cable Modem Termination System (CMTS) functionality, including programmable digital domain modulators and demodulators for dynamic channel assignment, is incorporated into Fiber Nodes (FNs) or mini Fiber Nodes (mFNs), yielding enhanced Fiber Nodes (eFNs). These eFns distribute CMTS functionality...http://www.google.fr/patents/US7149223?utm_source=gb-gplus-shareBrevet US7149223 - Enhanced fiber nodes with CMTS capability
