Radyne DMD2050 Operation Manual page 9

DMD2050 Universal Satellite Modem Table of Contents
3.9 Loop Timing ____________________________________________________ 3-12
3.9.1 Transmit (MIL-188-114A, RS-422)__________________________________ 3-13
3.9.2 G.703 Interface or Asymmetrical Data Rates__________________________ 3-13
3.9.3 Receive ______________________________________________________ 3-13
3.10 Drop and Insert (D&I) ____________________________________________ 3-13
3.10.1 Drop Only ____________________________________________________ 3-15
3.10.2 Insert Only ___________________________________________________ 3-15
3.11 Mode Selection _________________________________________________ 3-16
3.11.1 PCM-30 _____________________________________________________ 3-16
3.11.2 PCM-30C ____________________________________________________ 3-16
3.11.3 PCM-31 _____________________________________________________ 3-17
3.11.4 PCM-31C ____________________________________________________ 3-17
3.11.5 T1-D4/T1-D4-S________________________________________________ 3-17
3.11.6 T1-ESF/T1-ESF-S _____________________________________________ 3-17
3.12 Multidestinational Systems ________________________________________ 3-17
3.13 Drop and Insert Mapping__________________________________________ 3-18
3.14 Reed-Solomon Codec____________________________________________ 3-20
3.14.1 Reed-Solomon Operation in the DMD2050 __________________________ 3-21
3.14.2 Reed-Solomon Code Rate _______________________________________ 3-21
3.14.3 Interleaving___________________________________________________ 3-21
3.15 DMD2050 Automatic Uplink Power Control (AUPC Operation) ____________ 3-22
3.16 Asynchronous Overhead Operation (Framing/Multiplexer Capability) _______ 3-24
3.17 Standard IBS Mode______________________________________________ 3-25
3.18 Asynchronous Multiplexer Mode ___________________________________ 3-26
3.19 ESC Backward Alarms ___________________________________________ 3-26
3.19.1 To Disable the ESC Backward Alarms______________________________ 3-27
3.20 Satellite Control Channel (SCC) ____________________________________ 3-27
3.20.1 SCC Framing Structure _________________________________________ 3-27
3.20.2 Aggregate Data Rate ___________________________________________ 3-28
3.20.3 Overhead Rate Comparison _____________________________________ 3-28
3.20.4 Actual Overhead Rate Calculation _________________________________ 3-29
3.21 SCC OVERHEAD CHANNEL SETUP _______________________________ 3-30
3.22 Locating the DMD2050 ID Code Operational Procedure _________________ 3-31
TM110 - Rev. 1.3 ix