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Alerts and Troubleshooting

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8 Alerts and Troubleshooting This chapter provides suggestions for troubleshooting problems that might arise when you are using your modem. If you do not find the solution here, check the NETGEAR support site at netgear.com/support for more product information and contact information. The chapter contains the following sections: • Alert Messages • Quick Tips for Troubleshooting • Verify Normal Behavior With the LEDs • Troubleshoot With the LEDs • You Cannot Log In to the Modem • Troubleshoot the Mobile Broadband Internet Connection • Changes Not Saved on the Modem's Web Pages • TCP/IP Network Not Responding 90

Section	Page
Contents	3
1. Introduction and Hardware Overview	6
Introduction	8
Supported Mobile Broadband Bands	8
Package Contents	9
Modem Rear Panel	9
Install the Nano SIM Card	10
Power on Your Modem	10
Ensure the Modem Firmware is Up to Date	11
Top Panel With Status LEDs	13
Back Panel Connectors, Buttons, and Ports	14
Position the Modem	15
Optional External Antenna	16
2. Get Started	17
Internet Connection Over Mobile Broadband	18
Connect a Computer, Switch, Hub, Router, or WiFi Router to the Modem	18
Connect a Computer to the LAN Port of the Modem	19
Connect a Router or WiFi Router to the LAN Port of the Modem	19
Access the Modem’s Web Pages for the First Time	19
Change the Language	22
3. Manage the Modem LAN Settings	23
Change the LAN Settings	24
Manage Router Mode and Bridge Mode	26
Change the DHCP Server Settings	28
Disable the DHCP Server	30
Enable the DMZ	31
Disable VPN Pass-Through	32
4. Manage the Mobile Broadband Connection	34
Manage Mobile Broadband Auto Connect Options	35
Manually Connect to or Disconnect From the Mobile Broadband Network	36
Manage APN Profiles for Mobile Broadband Connections	37
View APN Profiles or Add a Custom APN Profile	37
Select an APN Profile	40
Change an APN Profile	40
Remove an APN Profile	41
5. Secure Your Network	43
Change the Modem Password	44
Manage Port Forwarding for Incoming Traffic	44
Enable Port Forwarding and Add a Service or Application	45
Remove a Service or Application for Port Forwarding	46
Disable Port Forwarding	47
Manage Port Filtering for Outgoing Traffic	48
Block Specific Services and Applications From Accessing the Internet and Allow All Other Services and Applications	49
Allow Specific Services and Applications to Access the Internet and Block All Other Services and Applications	50
View Services and Applications on the Blacklist and Remove a Service or Application From the List	52
View Services and Applications on the Whitelist and Remove a Service or Application From the List	53
Disable Port Filtering	54
Manage SIM Card Security	55
Enable SIM Card Security	55
Enter the SIM PIN to Enable the Modem to Connect to the Internet	57
Personalize the SIM PIN	59
Disable SIM Card Security	60
Unblock the SIM Card With a PUK	61
6. Manage the Modem and Monitor Usage and the Network	64
Upgrade the Firmware of the Modem	65
Back Up and Restore the Modem Settings	66
Back Up the Settings	66
Restore the Settings	67
Return the Modem to Its Factory Default Settings	68
Use the Reset Button	68
Use the Modem’s Web Pages to Reset the Modem to Factory Defaults	69
View Monthly Data and Session Data Usage	69
Set a Plan Limit for the Data Counter	70
Change the Billing Cycle Counter or Reset the Data Counter	71
View Service Provider, Type of Service, and Signal Strength	72
View Account Details and Other Details About Your Modem	74
View Information About the Mobile Broadband Connection	75
Set Up SMS Alert Messages	76
Set the Data Limit for SMS Alert Messages	78
View Alerts	79
Turn Off the LEDs	80
7. Frequently Asked Questions	82
What do I do when I can’t connect a device to the modem?	83
What do I do when I can’t access the Internet?	83
What do I do when the No Signal icon displays?	83
Why is the download or upload speed slow?	84
Can I connect multiple LAN devices to the modem?	84
How do I access the modem’s web pages?	84
What do I do if I forget my admin login password?	84
How do I disconnect from the mobile broadband network?	85
How do I find my computer’s IP address?	85
How do I find a device’s MAC address?	87
How do I find my mobile phone number?	89
Where can I find more information?	89
8. Alerts and Troubleshooting	90
Alert Messages	91
Quick Tips for Troubleshooting	91
Verify Normal Behavior With the LEDs	92
Troubleshoot With the LEDs	93
Power LED Is Off	93
LAN LED Is Off	94
You Cannot Log In to the Modem	94
Troubleshoot the Mobile Broadband Internet Connection	95
Obtain an Internet IP Address From Your Service Provider	95
Troubleshoot Internet Browsing	96
Changes Not Saved on the Modem’s Web Pages	96
TCP/IP Network Not Responding	97
Test the LAN Path to Your Modem	97
Test the Path From Your Computer to a Remote Device	97
A. Default Settings and Specifications	99
Factory Default Settings	100
Technical and Environmental Specifications	101
B. Wall-Mount the Modem	102
Position Your Modem	103