Wireshark · Display Filter Reference: DOCSIS Upstream Channel Descriptor Type 35

Field name	Description	Type	Versions
docsis_type35ucd.burst.diffenc	Differential Encoding	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.fec	FEC (T)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.fec_codeword	FEC Codeword Info bytes (k)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.guardtime	Guard Time Size (Symbol Times)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.last_cw_len	Last Codeword Length	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.maxburst	Max Burst Size (Minislots)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.modtype	Modulation Type	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.preamble_len	Preamble Length (Bits)	Unsigned integer (16 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.preamble_off	Preamble Offset (Bits)	Unsigned integer (16 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.preambletype	Preamble Type	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.rsintblock	R-S Interleaver Block Size (Br)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.rsintdepth	R-S Interleaver Depth (Ir)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.scdmacodespersubframe	S-CDMA Codes per Subframe	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.scdmaframerintstepsize	S-CDMA Framer Interleaving Step Size	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.scdmascrambleronoff	S-CDMA Spreader On/Off	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.scrambler_seed	Scrambler Seed	Unsigned integer (16 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.scrambleronoff	Scrambler On/Off	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.tcmenabled	TCM Encoding	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.tlvlen	Length	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.burst.tlvtype	Type	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.classidcm	Channel Class ID (CM)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.classidemta	Channel Class ID (eMTA or EDVA)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.classiderouter	Channel Class ID (eRouter)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.classidestb	Channel Class ID (DSG/eSTB)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.classidext	CM Ranging Class ID Extension	Unsigned integer (32 bits)	2.2.0 to 2.2.17
docsis_type35ucd.classidrsvd	Reserved [0x000000]	Unsigned integer (32 bits)	2.2.0 to 2.2.17
docsis_type35ucd.confcngcnt	Config Change Count	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.downchid	Downstream Channel ID	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.extpreamble	Extended Preamble Pattern	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.freq	Frequency (Hz)	Unsigned integer (32 bits)	2.2.0 to 2.2.17
docsis_type35ucd.highucdpresent	Higher UCD for the same UCID	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.highucdresv	Reserved	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.iuc	Interval Usage Code	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.length	Length	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.maintainpowerspectraldensity	Maintain power spectral density	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.mslotsize	Mini Slot Size (6.25us TimeTicks)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.preamble	Preamble Pattern	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.rangingrequired	Ranging Required	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.rnghoffcm	Ranging Hold-Off (CM)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.rnghoffemta	Ranging Hold-Off (eMTA or EDVA)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.rnghofferouter	Ranging Hold-Off (eRouter)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.rnghoffestb	Ranging Hold-Off (DSG/eSTB)	Boolean	2.2.0 to 2.2.17
docsis_type35ucd.rnghoffrsvd	Reserved [0x000000]	Unsigned integer (32 bits)	2.2.0 to 2.2.17
docsis_type35ucd.rngidext	CM Ranging Class ID Extension	Unsigned integer (32 bits)	2.2.0 to 2.2.17
docsis_type35ucd.scdmaactivecodes	SCDMA Active Codes	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmacodehoppingseed	SCDMA Code Hopping Seed	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmacodesperminislot	SCDMA Codes per mini slot	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmaenable	SCDMA Mode Enable	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.scdmamaxcodes	S-CDMA Max Scheduled Codes	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.scdmaspreadinginterval	SCDMA Spreading Interval	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmatimestamp	SCDMA Timestamp Snapshot	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmausratiodenom	SCDMA US Ratio Denominator	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.scdmausrationum	SCDMA US Ratio Numerator	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.selectcode	S-CDMA Selection String for Active Codes	Byte sequence	2.2.0 to 2.2.17
docsis_type35ucd.selectcodehop	S-CDMA Selection Mode for Active Codes and Code Hopping	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.symrate	Symbol Rate (ksym/sec)	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.tlvlenbad	Expert Info	Label	2.2.0 to 2.2.17
docsis_type35ucd.tlvtypebad	Expert Info	Label	2.2.0 to 2.2.17
docsis_type35ucd.type	Type	Unsigned integer (8 bits)	2.2.0 to 2.2.17
docsis_type35ucd.upchid	Upstream Channel ID	Unsigned integer (8 bits)	2.2.0 to 2.2.17