Protocol analysis
R&S
®
RTP
823User Manual 1337.9952.02 ─ 12
Special PID
Searches for four different special packet identifier types: "PREamble", "ERR",
"SPLIT", or "PING", and "Any" special PID.
For "Any", "PREamble", or "ERR", there are no additional parameters to be defined.
For "SPLIT", additional search parameters are "Address check", "SC check", "Port
check", "SEU check", and "ET check".
You can refine the search condition:
●
See "Address check" on page 823
●
See "SC check" on page 825
●
See "Port check" on page 825
●
See "SEU check" on page 825
●
See "ET check" on page 826
For "PING", additional search parameters are "Address check" and "End Point check".
You can refine the search condition:
●
See "Address check" on page 823
●
See "End Point check" on page 824
Remote command:
SEARch:TRIGger:USB:SPEC on page 2034
Error condition
Searches for the following error conditions:
"PID Error"
Searches for packet identifier errors.
Remote command:
SEARch:TRIGger:USB:PIDerror on page 2031
"CRC5 Error"
Searches for any CRC5 error event.
Remote command:
SEARch:TRIGger:USB:CRC5error on page 2027
"CRC16 Error"
Searches for any CRC16 error event.
Remote command:
SEARch:TRIGger:USB:CRC16error on page 2026
"Bitstuff Error"
Searches for bitstuff errors, thus an erroneous or missing bit stuffing
sequence (see USB standard).
Remote command:
SEARch:TRIGger:USB:BITSterror on page 2026
"Glitch Error"
Searches for glitch errors (errors in the bit period, see USB standard
for the definition of glitch).
Remote command:
SEARch:TRIGger:USB:GLITcherror on page 2030
Address check
Enables the search for an address that meets specific conditions.
"Condition"
Defining a specific address or an address range requires to set the
operator to one of the following: equal, not equal, less than, less than
or equal, greater than, greater than or equal, in range, out of range.
USB (option R&S RTP-K60)