1. The ID entered is the equipment identification number, not the sn code used for normal registration of telecom services. And it cannot be used normally after registration.

2. For the wrong ID number, a registration interface appears, and even the registration is successful. Only when the operator's background account and password match, and there are bills in use in this area, can they be used. To eliminate this situation, you can use needles, toothpicks, pins and so on. Restore the newly registered light cat to its original factory settings.

3. The use of 3.sn code refers to the work order (blue list) in the telecommunications industry. Users use the order number to indicate that there are some user information such as broadband account number, broadband password and sn code on the business order, and these data should be properly kept.

4. When replacing the optical cat, turn on the power supply of Guangxin Cat and plug the optical cable back into the optical fiber port. When the light cat shows that the normal optical fiber G signal is turned on, plug a network cable into the computer 1 port, enter 192. 168. 1, and click Device Registration-Enter ID number-Confirm directly. Register 100%, the service is distributed successfully, and you can surf the Internet normally after waiting for 1-3 minutes.