Telecom broadband cats generally have two network ports, one is itv interface and the other is normal lan port, but there are also four broadband cats. Customer service on the 22nd will answer your questions. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, you can also handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. For more functions, please pay attention to China Telecom's Guizhou customer service.