User Manual

GDS-3000 Serial Decode User Manual
20
Define Inputs
10. Press Define Inputs from the bottom
menu.
11. From the side menu choose the Tx
Input and the Rx
Input source and the signal
polarity.
Tx
OFF, CH1~4
Rx
OFF, CH1~4
Polarity
Normal (High = 0), Inverted (High
= 1)
Set the Threshold
12. Press Threshold from the bottom
menu.
13. Press Select from the side menu.
Choose Tx or Rx line thresholds.
Range
Tx, Rx
14. Press Threshold from the side menu
and configure the threshold.
Threshold
-10V~10V
To set to TTL levels (1.4V), press TTL.
To set to ECL levels (-1.3V), press
ECL.
Protocol
Configuration
The Configure key sets the baud rate, number of data
bits and parity.