3 managed parameters for a virtual channel table 5 3

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Unformatted text preview: h (if present) (octets) Integer Presence of VC_OCF Present, Absent CCSDS 132.0-B-1 Page 5-2 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 5.4 MANAGED PARAMETERS FOR PACKET TRANSFER Table 5-4 lists the managed parameters associated with a Virtual Channel used for the Packet Transfer Service. Table 5-4: Managed Parameters for Packet Transfer Managed Parameter Allowed Values Transfer Frame Version Number 1 Spacecraft ID Integer VCID 0, 1, …, 7 Valid Packet Version Numbers Set of Integers selected from Table 7-6 of reference [4] Maximum Packet Length (octets) Integer Whether incomplete Packets are required to be Required, Not required delivered to the user at the receiving end CCSDS 132.0-B-1 Page 5-3 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL ANNEX A ACRONYMS (This annex is not part of the Recommendation) APID Application Process Identifier ARQ Automatic Repeat Request CCSDS Consultative Committee for Space Data Systems CLCW Communications Link Control Word COP Communications Operation Procedure FARM Frame Acceptance and Reporting Mechanism FDU Frame Data Unit FECF Frame Error Control Field FOP Frame Operation Procedure FSH Frame Secondary Header GMAP ID Global Multiplexer Access Point Identifier GVCID Global Virtual Channel Identifier MC Master Channel MCF Master Channel Frame MCID Master Channel Identifier MSB Most Significant Bit OCF Operational Control Field OSI Open Systems Interconnection PVN Packet Version Number QoS Quality of Service SAP Service Access Point SCID Spacecraft Identifier CCSDS 132.0-B-1 Page A-1 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL SDU Service Data Unit TC Telecommand TM Telemetry TFVN Transfer Frame Version Number VC Virtual Channel VCA Virtual Channel Access VCF Virtual Channel Frame VCID Virtual Channel Identifier VCP Virtual Channel Packet CCSDS 132.0-B-1 Page A-2 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL ANNEX B INFORMATIVE REFERENCES (This annex i...
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