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Troubleshooting
RFM-4002-5015 Rev 3
91
Troubleshooting
This chapter describes typical configuration problems and provides instructions
on how to troubleshoot issues with the iR1200 modem.
This chapter includes:
Common Problems Page 91
Error Messages Page 93
Diagnostic Commands
Extended AT Command
Extended Error Result Codes
Page 94
Page 95
Page 95
Common Problems
The following table identifies the most common problems that may occur while
setting up and using your modem for data calls.
!
IMPORTANT INFORMATION: Customers cannot ping a
Non Routable IP address when provisioned due to the
NAT (Network Address Translator) Server. This server
attaches a Class C Public IP Address to a Private
Class A Non Routable IP address for a specific period
of time to browse the public internet. This Class C
address is needed in order to route on the public
internet, as Non-Routable IPs are for internal routing
only (Intranet).
Symptom Troubleshooting Tips
The modem does not
respond to AT
commands.
Make sure that:
• The modem is powered on.
• The cable is properly connected to the