Expand description
Communications Link Control Word (CLCW).
CCSDS 232.1-B-2, carried in the OCF of TM/AOS frames. The CLCW is a 32-bit word generated by FARM-1 to report its state back to FOP-1.
Bit 0 : Control Word Type (0 = CLCW)
Bits 1-2 : CLCW Version Number
Bits 3-5 : Status Field
Bits 6-7 : COP in Effect (01 = COP-1)
Bits 8-13 : Virtual Channel Identifier
Bits 14-15 : Reserved Spare
Bit 16 : No RF Available Flag
Bit 17 : No Bit Lock Flag
Bit 18 : Lockout Flag
Bit 19 : Wait Flag
Bit 20 : Retransmit Flag
Bits 21-22 : FARM-B Counter (2 bits)
Bit 23 : Reserved Spare
Bits 24-31 : Report Value (N(R) = V(R))Structsยง
- Clcw
- A 32-bit Communications Link Control Word.