Protocol analysis
R&S
®
RTE
714User Manual 1326.1032.02 ─ 20
The effective signal amplitude passed to the decoder is:
Remote command:
BUS<m>:HBTO:ATTN on page 1672
Polarity
Selects the polarity of the data signal. You can select between "Normal" and "Inverted".
For "Normal" polarity, active high is defined as +1 V and active low is defined as -1 V.
For "Inverted" polarity, active high is defined as -1 V and active low is defined as +1 V.
Remote command:
BUS<m>:HBTO:POLarity on page 1675
Thresholds
Sets the positive and negative thresholds for the digitalization of the signal line.
The signal can have three states:
●
High: the signal value is higher than the positive threshold.
●
Low: the signal value is below the negative threshold.
●
Zero: signal is between the positive and the negative threshold.
"Thresholds"
Enter the value directly.
"Full autoset"
Starts software algorithms for determining the signal threshold levels
and bitrate.
"Auto thresh-
olds"
Executes the measurement of reference levels and sets the thresh-
olds to the middle reference level of the measured amplitude.
Remote command:
BUS<m>:HBTO:THReshold on page 1675
BUS<m>:SETReflevels on page 1421
BUS<m>:FAUToset on page 1421
Mode
Selects the desired direction of the full-duplex signal for analysis. If set to "Auto", the
decoder automatically detects the "Master" or "Slave" mode.
Remote command:
BUS<m>:HBTO:MODE on page 1675
Symbol rate
Defines the transmission rate of ternary symbols which is by default 66.67 MSymb/s.
This parameter should be rarely changed.
Remote command:
BUS<m>:HBTO:SYMRate on page 1675
13.12.2.2 100BASE-T1 display settings
Access: [PROTOCOL] > "Display" tab.
Ethernet 100BASE-T1 (option R&S
RTE-57)
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