HP MSR954 Series - Garbled Display on the Configuration Terminal; No Response from the Serial Port; Symptom; Solution

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 Parity—none.
 Stop bits—1.
 Flow control—none.
 Emulation—VT100.
4. Verify that the console cable is in good condition.
5. If the problem persists, contact HP Support.
Garbled display on the configuration terminal
Symptom
The configuration terminal has garbled display when the router is powered on.
Solution
To resolve the problem:
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 problem persists, contact HP Support.
No response from the serial port
Symptom
The serial port on the router does not respond
Solution
To resolve the problem:
1. Verify that the serial cable is in good condition and the serial port settings are correct.
2. If the problem persists, contact HP 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.