Protocol analysis
R&S
®
RTP
636User Manual 1337.9952.02 ─ 12
Frame check
Defines the frame check sequence value.
"Condition"
Sets the comparison condition to a specific value or a range.
"Frame check
(Min)"
Specifies the value or sets the start value of a range.
"Frame check
(Max)"
Sets the maximum value of a range for "Condition" = "In range"/"Out
of range".
Remote command:
TRIGger<m>:ETHernet:FRAMe:CCONdition on page 1731
TRIGger<m>:ETHernet:FRAMe:CMAX on page 1732
TRIGger<m>:ETHernet:FRAMe:CMIN on page 1732
Error
Triggers on enabled errors.
"Preamble
error"
Triggers on a frame with invalid preamble.
"Length error"
Triggers on an incorrect length of the sequence - when additional or
missing bits are detected and the sequence of bits is not as expected.
"CRC error"
Triggers on a frame that has a mismatch of the cyclic redundancy
check (CRC) value between the transmitting and receiving device.
Remote command:
TRIGger<m>:ETHernet:ERRor:CRC on page 1731
TRIGger<m>:ETHernet:ERRor:LENGth on page 1731
TRIGger<m>:ETHernet:ERRor:PREamble on page 1731
13.9.3.2 Triggering on Ethernet signals
Prerequisite: A bus is configured for the Ethernet signal to be analyzed.
For the basic trigger settings, proceed in the following way:
1. Press the [Protocol] key and selet the "Shortcuts" tab.
2. Press "Setup trigger".
3. Tap the "Source" button and select the "Serial bus" trigger source.
4. Select the serial bus that is set to Ethernet.
5. Tap "Type" and select the trigger type to be used for Ethernet protocol analysis.
Available trigger types are "Frame Start", "Pattern", "Adv frame" and "Adv error".
6. Depending on the selected Ethernet variant, more setup conditions have to be
specified.
For information on how to proceed with the configuration settings, see Chap-
ter 13.9.3.1, "Ethernet trigger settings", on page 632.
Ethernet 10BASE-T and 100BASE-TX (option R&S
RTP-K8)
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