56 ESP-4 MI Serial Hub Installer/User Guide
6. In the Duration (seconds) field, enter the number of seconds the loopback tests will run. If you
specify zero, the tests will run continuously until the Stop button is clicked.
7. Click the Start button. Polling requests will be sent to the hub every 50 milliseconds. When a
reply is received, the display counts are updated. A rotating circle in the lower right corner of
the window indicates that the loopback tests are running.
8. To pause the tests, click the Pause button. To resume, click the Pause button again.
9. The loopback tests will stop automatically when the configured Duration interval elapses (if
non-zero). You may stop the tests at any time by clicking the Stop button.
Status
The Status function displays configuration information and traffic statistics for an ESP-4 MI hub
serial port.
Table B.2 describes the fields in the main panel of the ESP-View utility Status window. Some
information is not valid if the port is not currently in use. In those cases, those fields will be empty.
Table B.2: ESP-View Utility Status Display
Field Description
Remote IP
IP address of the connected remote client, in network order. If not connected, 0.0.0.0
is displayed.
Connection Method
Current connection method: Idle, serial port redirection, Telnet server, TCP server,
TCP client, serial configuration or modem emulation.
Total Rx Bytes Number of bytes sent to the serial port since the last reboot.
Total Tx Bytes Number of bytes received from the serial port since the last reboot.
Rx Bytes
Number of bytes received from the serial port since the current connection was
established. If not connected, 0 is displayed.
Tx Bytes
Number of bytes sent to the serial port since the current connection was established.
If not connected, 0 is displayed.
Parity Errors Number of parity errors on the serial port since the last reboot.
Framing Errors Number of framing errors on the serial port since the last reboot.
Overrun Errors Number of overruns on the serial port since the last reboot.
Speed Configured baud rate for the serial port.
Size Configured data size (bits per character) for the serial port.
Parity Configured parity for the serial port.
Stop Configured number of stop bits for the serial port.
Flow Control Configured flow control for the serial port.
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