Q1: I want to know the meanings of different combination of LED signals. A1: Please refer here for details. Q2: What is the advantage and disadvantage of service upgrade? A2: Service upgrade will ensure an optimum stability and performance for the broadband service. It will, also, be able to facilitate future upgrade in transmission speed. Q3: I'm satisfied with existing service, can I keep the existing service without upgrading? A3: You must upgrade the service in order to continue accessing our broadband network. Q4: Will Multi-user Plan & ORiNOCO Wireless Internet Access Devices be affected after service upgrade? Do I need to reinstall them? A4: Both will not be affected in the upgrade. Q5: What is the function of the USB port and the Standby button on the new Cable Modem? A5: The USB port enables a computer that does not have an Ethernet Network Adapter to connect to the cable modem via USB port, and access the Internet. The standby button allows you to temporarily disable the connection between the cable modem and PC, while leaving the modem active and registered on the HFC network. If you do not want your PC to be accessible from the Internet at all times for security reasons, but wish to leave it running, simply use the standby button. Q6: You have upgraded the service for my friend. Is there any schedule for service upgrade in my building at xxxxxx? A6: Service upgrade will be carried out in phases, please refer to our online announcement posted on i-cable.com from time to time for the latest update. Q7: Can I get warranty for the purchased Cable Modem? A7: Yes, 1-year factory warranty.