Garbled Terminal Display; No Response From The Serial Port; 3G/4G Sim Card And 3G/4G Antenna Failures - H3C MSR 930 Installation Manual

Terminal Emulation—VT100.
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5. Verify that the console cable is operating correctly.
6. If the issue persists, contact H3C Support.

Garbled terminal display

Symptom
Terminal display is garbled.
Solution
To resolve the issue:
1. Make sure the Data bits field for the console terminal is set to 8. If the Data bits field is set to
5 or 6, the console terminal will display garbled characters.
2. If the issue persists, contact H3C Support.

No response from the serial port

Symptom
The serial port gives no response.
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 3G/4G antenna failures

Symptom
The LEDs on the front panel indicate that the 3G/4G SIM card and 3G/4G antenna are operating
incorrectly after the 3G/4G SIM card and 3G/4G antenna are installed on the router and the router
is powered on.
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 matches the built-in 3G/4G module.
3. Verify that the 3G/4G antenna is correctly installed.
4. Verify that the 3G/4G SIM card, card socket, and 3G/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.
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