What to do if Teleorigin RB800 Modem is receiving NO CARRIER message?
If your Teleorigin Modem shows 'NO CARRIER' message, it could mean a few things. It appears when a data, voice, or fax connection can't be established or immediately after such a connection is terminated. Also, if there's no connection with the network, you should check the antenna and registration status.
How to troubleshoot no connection/communication with Teleorigin RB800 Modem?
If you're having trouble with your Teleorigin Modem not connecting or communicating, start by checking all the external connections, including RS-232 or USB and the power supply. Make sure the power supply is working correctly. Verify the COM port parameters are correctly configured. Also, ensure that the communication program you're using is working properly and that no other programs are interfering with it. If there is an interfering program, close it.
General| Brand | Teleorigin |
|---|---|
| Model | RB800 |
| Category | Modem |
| Language | English |
Details the 2-pin connector for DC power supply, specifying voltage and power limits.
Details the process of ejecting the SIM drawer, inserting the SIM card, and reinserting the drawer.
Guides on verifying communication using terminal programs and provides example AT commands.
Explains how to use the AT+CSQ command to check signal strength and bit error rate.
Explains how to check GSM network registration status using AT+CREG?.
Details the parameters returned by the AT+CREG? command for GSM registration.
Details the parameters returned by the AT+CGREG? command for GPRS registration.
Provides steps to diagnose and resolve issues with modem connectivity.
Explains the causes and format of ERROR responses to AT commands.
Lists common cases for the NO CARRIER response and explains extended error codes.
Specifies the nominal voltage range, power, and current for the RB800.
Covers precautions for radio frequency interference and specific hazardous environments.
Offers advice on proper care, handling, and maintenance to ensure long-term operation.
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