If the AT&T 3G MicroCell is not working after being connected to the router/gateway, first try the basic troubleshooting steps contained in the User Guide. If the 3G MicroCell still will not connect to the AT&T network (as indicated by a continuous blinking 3G light), then use the following instructions to check the router's settings and change them, as needed. If it is a router CalTel has provided these settings should be in place all ready by default.
Normally, just plugging the 3G MicroCell into the router/gateway is all that is required. However, sometimes router/gateway settings have been changed or the 3G MicroCell will not connect properly. This section will show how to change the settings for some popular modems/routers to enable the 3G MicroCell to connect successfully.
Configure the network to allow the following if using other than CalTel provided equipment or custom settings: