The Multiplexer Reference Manual

Part 1 Introduction: rationale for multiplexing equipment evolution and utilization future developments. Part 2 Frequency division multiplexing: types of frequency division multiplexing communications carrier systems FDM data multiplexers. Part 3 Time division multiplexing: FDM versus TDM TDM operation TDM applications multiplexing economics other types of TDMs. Part 4 Statistical multiplexers: comparison to TDMs buffer control service ratios STDM statistics STDM features STDM applications. Part 5 Packet assembler/disassembler: evolution CCITT X series recommendations PAD operation PAD states access request operation X.3 parameters X.28 commands. Part 6 T-carrier multiplexers: T1 circuit evolution and operation T-carrier multiplexers features to consider networking. Part 7 Fiber optic multiplexers: system components the optical modem optical transmission advantages and limitations utilization economics types of fiber optic multiplexers SONET and SONET multiplexers. Part 8 Evolving technologies: low bit-rate voice digitization fast packet multiplexing frame relay alternatives to consider.