Chapter 4: Web Interface 31
To launch the ESP-View utility:
From the Main Menu, select Diagnostic Utility.
Displaying General Statistics
The General Statistics display includes the items described in Table 4.2. All values are cumulative
since the ESP-4 MI serial hub was last reset.
To display general statistics:
Select General Statistics from the Main Menu.
Displaying Port Statistics
The Port Statistics display includes the information described in Table 4.3 for each port. All values
are cumulative since the ESP-4 MI serial hub was last reset. This display refreshes every
five seconds.
Table 4.2: General Statistics Display
Item Description
Uptime Number of days, hours, minutes and seconds since the hub was last rebooted.
Idle Time
Number of days, hours, minutes and seconds of idle time. Idle time occurs when the
hub is not performing any active operations such as processing serial or network data.
Network Interface
Counts
Number of bytes transmitted and received plus the number of transmit and receive
errors that have occurred.
UDP
Number of UDP datagrams transmitted and received plus the number of UDP
receive errors.
TCP
Number of TCP packets transmitted and received plus the number of TCP
receive errors.
Table 4.3: Port Statistics Display
Item Description
Status Port status flags.
Destination IP Address IP address of the server that has the port open.
Receive Bytes Number of bytes received.
Transfer Bytes Number of bytes transmitted.
Signals
Current value of the RS-232 signals: RTS, CTS, DTR, DSR and CD. A signal is
listed in the display only if it is asserted (high).
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