Imagine communications Selenio 6800 SFS6803+OP+SFS+, Installation And Operation Manual

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Appendix A
Audio Bit Manipulation
92
Manipulating Validity and User Bits (V-Bit and U-Bit)
14 to 17 0 to 7 Local sample address code S Y

RX ignores bits

TX passed bits
unmodified
18 to 21 0 to 7 Time-of-day sample address code S Y

RX ignores bits

TX passed bits
unmodified
22 0 to 3 Reserved N Y

RX ignores bits

TX passed bits
unmodified
22 4 Bytes 0 to 5 reliability flag N Y

RX ignores bits

TX passed bits
unmodified
22 5 Bytes 6 to 13 reliability flag S Y

RX ignores bits

TX passed bits
unmodified
22 6 Bytes 14 to 17 reliability flag S Y

RX ignores bits

TX passed bits
unmodified
22 7 Bytes 17 to 21 reliability flag S Y

RX ignores bits

TX passed bits
unmodified
23 0 to 7 CRC Y Y

RX ignores bits

TX calculates CRC on
output
Table A-2 Channel Status (C-Bits) Data Description (Continued)
Byte Bit Function RX TX Remarks
Table A-3 V-Bit and U-Bit Data Descriptions
Item RX TX Remarks
Validity (V) bit S Y

RX optionally mutes data if
enabled

TX passes bit unmodified
User (U) bit S Y

RX ignores bits

TX passed bits unmodified