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18.104.22.168 If there is only one Master Channel on the Physical Channel, the Virtual Channel
Multiplexing Function shall create an OID Transfer Frame to preserve the continuity of the
transmitted stream in the event that there are no valid Transfer Frames available for
transmission at a release time. The OID Transfer Frame shall have its First Header Pointer
set to ‘11111111110’ and its VCID set to that of a Virtual Channel that carries Packets but
does not support the VC_FSH or VC_OCF Service.
22.214.171.124 An abstract model of the Virtual Channel Multiplexing Function is illustrated in
Function VC Frame
Service User VC Frames Virtual
Channel VC Frames Idle Frame Multiplexing MC Frames
Master Channel Generation Function Figure 4-8: Abstract Model of Virtual Channel Multiplexing Function
4.2.5 MASTER CHANNEL GENERATION FUNCTION 126.96.36.199 The Master Channel Generation Function shall be used to insert Transfer Frame
Secondary Header and/or Operational Control Field service data units into Transfer Frames
of a Master Channel.
NOTE – There is an instance of the Master Channel Generation Function for each Master
188.8.131.52 If there is a user of the MC_FSH Service for a particular Master Channel, an
FSH_SDU supplied by the user shall be placed in the Transfer Frame Secondary Header. CCSDS 132.0-B-1 Page 4-18 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 184.108.40.206 If there is a user of the MC_OCF Service for a particular Master Channel, an
OCF_SDU supplied by the user shall be placed in the Operational Control Field of a Transfer
NOTE – A Master Channel Frame Count is generated independently for each Master
Channel and placed into the Primary Header.
220.127.116.11 An abstract model of the Master Channel Generation Function is illustrated in
figure 4-9. VC Mux.
Service User MC Frames Master
Service User FSH_SDU...
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This document was uploaded on 03/06/2014.
- Spring '14