3-2
Garbled display on the configuration terminal
Symptom
The configuration terminal has garbled display when the router is powered on.
Solution
To resolve the issue:
1.
Verify that the following settings are configured for the terminal:
Baud rate
—9,600.
Data bits
—8.
Parity
—None.
Stop bits
—1.
Flow control
—None.
2.
If the issue persists, contact H3C Support.
No response from the serial port
Symptom
The serial port on the router does not respond
Solution
To resolve the issue:
1.
Verify that the serial cable is in good condition and the serial port settings are correct.
2.
If the issue persists, contact H3C Support.
3G/4G SIM card and 4G antenna failures
Symptom
After a 3G/4G SIM card and 4G antennas are installed on the router and the router is powered on,
the corresponding LEDs on the front panel indicate operation failure.
Solution
To resolve the issue:
1.
Verify that the 3G/4G SIM card has been correctly installed and makes good contact with the
card socket.
2.
Verify that the 3G/4G SIM card and the card socket use the same wireless standard.
3.
Verify that the 4G antenna is correctly installed.
4.
Verify that the 3G/4G SIM card, card socket, and 4G antenna are in good condition.
5.
Verify that the network provided by NSP is running correctly.
6.
If the issue persists, contact H3C Support.
