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TROUBLESHOOTING 

Possible problems and troubleshooting steps for your AT&T 3G MicroCell™ are described below. Check the troubleshooting 

steps before contacting AT&T 3G MicroCell Customer Care at 800.331.0500.     

There are two sections to choose from depending on your needs.    Click on the appropriate link below to go to that section: 

Common Troubleshooting Steps

 

Advanced In-Home Equipment Troubleshooting

 

Common Troubleshooting Steps 

 

 General 

Trouble 

Solution 

Wireless phone doesn’t display AT&T MicroCell or 

AT&T M-Cell (iPhone) or cannot connect with AT&T 

MicroCell 

 

Check the 3G MicroCell for solid green 3G LED indicator.    If not solid 

green, unplug power cord from MicroCell and plug it back in to restart. 

 

Ensure you are using a 3G wireless device from AT&T and its 3G radio is 

turned on. 

 

Go online and ensure you have successfully completed the Activation 

Process at 

www.att.com/3GMicroCell

.    An activation text message and/or 

email will also confirm successful activation. 

 

Check online site (www.att.com/mywireless) and enter the correct cell 

number in Approved User List under the Manage AT&T 3G MicroCell 

Settings link. 

 

Restart the wireless phone by powering down and powering up or by 

removing and reinstalling the battery. 

 

Ensure the Ethernet cable is properly attached to the MicroCell.    If not, 

unplug and plug back in Ethernet cable from 3G MicroCell to broadband 

router/modem/gateway and remove power cord for MicroCell and reinstall 

to restart. 

 

Power off and on the router/modem/gateway/PC in the order outlined in 

the Getting Started Guide. 

 

I cannot get my MicroCell to activate in my 

basement 

 

Move the MicroCell to within 3 feet of a window with a clear, unobstructed 

view of the sky 

 

 

Summary of Contents for 3G MicroCell Series

Page 1: ...e from AT T and its 3G radio is turned on Go online and ensure you have successfully completed the Activation Process at www att com 3GMicroCell An activation text message and or email will also confi...

Page 2: ...rder outlined in the Getting Started Guide My Internet connection on my PC is slower Check to make sure the PC is not downloading large data and video file downloads Unplug PC from MicroCell and plug...

Page 3: ...etting Started Guide The Computer status indicator is off For Options B and C only Verify connection of Ethernet cable from MicroCell to the PC Restart MicroCell by unplugging the power cord for Micro...

Page 4: ...ibed in the User Guide MicroCell GPS light is off Ensure MicroCell is AC power adapter is connected there is power to the outlet and the MicroCell Power LED is solid green Restart MicroCell by unplugg...

Page 5: ...the changes we suggest Here are a few things to note This section of the guide assumes you have done the following 1 You have successfully registered your 3G MicroCell online using your myWireless ac...

Page 6: ...er connected to the broadband modem The next several pages are arranged by Internet Service Provider ISP or router manufacturer For all changes to take effect you may need to restart your router gatew...

Page 7: ...ne if the packet contains a fragment flag If the flag exists the CM will discard the packet Under certain conditions this feature may cause communication issues with other devices on the network and s...

Page 8: ...AT T recommends that this option be Disabled as shown below...

Page 9: ...issues with your Qwest modem router that is connected to your 3G MicroCell you may need to Options 1 Connect a separate router to the Qwest modem router and set up the 3G MicroCell in Option A mode as...

Page 10: ...ec modem router and the 3G MicroCell you will need to do two things 1 Set up the modem in Transparent Bridge Mode 2 Use a new router to connect between the Qwest modem router and the 3G MicroCell Step...

Page 11: ...5 Hit Apply...

Page 12: ...t Router like the Netgear WNDR3700 The router must be configured as described in the AT T Required Router Configuration Settings section above After the router is connected to the Qwest modem router a...

Page 13: ...our Internet Browser and typing 192 168 1 1 in the web page address field and pressing the enter key You should be presented with a screen similar to the one below Look in your Linksys Cisco router do...

Page 14: ...not use the drop down menus to enter in the proper settings To ensure the IPSec Passthrough is set properly go to the Security tab and make sure the screen looks similar to the screen below If it is...

Page 15: ...ernet Browser and typing 192 168 0 1 onto the web page address field and pressing the enter key You should be presented with a screen similar to the one below Look in your D Link router documentation...

Page 16: ...The following information should be set as shown above MTU 1492...

Page 17: ...Now click on the SETUP tab then NETWORK SETTINGS and you will be presented with the following screen Ensure that DHCP Server is Enabled and if not select the check box to enable DHCP Server...

Page 18: ...set properly go to the Advanced tab and make sure the screen looks similar to the screen below allowing IPSec VPN If it is not select the check box next to IPSec VPN as shown above Click Save Setting...

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