NETGEAR LB2120 Series User Manual

9
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 on page 86
• Quick Tips for Troubleshooting on page 86
• Verify Normal Behavior With the LED Bars on page 87
• Troubleshoot With the LED Bars on page 87
• You Cannot Log In to the Modem on page 89
• Troubleshoot the Mobile Broadband Internet Connection on page 89
• Changes Not Saved on the Modem’s Web Pages on page 90
• TCP/IP Network Not Responding on page 91
85

NETGEAR LB2120 Series Specifications

General

Device Type	LTE Modem
LTE Category	Category 4
Download Speed	Up to 150 Mbps
Upload Speed	Up to 50 Mbps
Ethernet Ports	1 x Gigabit Ethernet
Network Technology	LTE, 3G
Antenna Ports	2 x TS-9
Operating Temperature	0° to 40°C
Storage Temperature	-4°F to 140°F (-20°C to 60°C)
Humidity	90% maximum relative humidity, non-condensing
SIM Card Slot	Yes (Mini-SIM/2FF)
Power Supply	12V DC