Frequently Asked Questions – Arris CM820A DOCSIS 3.0 Cable Modem
Q1: What is the Arris CM820A DOCSIS 3.0 Cable Modem?
A1: The Arris CM820A is a high-speed cable modem that uses DOCSIS 3.0 technology to provide reliable and efficient internet connectivity. It supports IPv6, the latest internet standard, providing future-proof internet access.
Q2: What is DOCSIS 3.0?
A2: DOCSIS 3.0 stands for Data Over Cable Service Interface Specification version 3.0. It is a technology that allows cable TV networks to deliver high-speed broadband internet connections.
Q3: What is the maximum speed I can achieve with this modem?
A3: The Arris CM820A modem supports download speeds of up to 343 Mbps and upload speeds of up to 131 Mbps, but the actual speed will depend on your Internet Service Provider (ISP) and the plan you have with them.
Q4: Will this modem work with my ISP?
A4: The Arris CM820A DOCSIS 3.0 Cable Modem is compatible with most U.S. cable internet providers. However, we recommend that you confirm the compatibility with your provider before purchasing.
Q5: What is IPv6 and why is it important?
A5: IPv6 or Internet Protocol version 6 is the most recent version of the Internet Protocol, which provides an identification and location system for computers on networks and routes traffic across the Internet. It’s important because it provides more IP addresses, helping cater to the growing number of internet devices.
Q6: Can this modem also provide Wi-Fi access?
A6: No, the Arris CM820A is a cable modem and does not have built-in Wi-Fi capability. If you need Wi-Fi, you would need to connect a separate router to the modem.
Q7: What kind of warranty comes with this modem?
A7: The Arris CM820A comes with a two-year warranty. This covers any defects in materials or workmanship under normal use during the warranty period.
Q8: Can I set up the modem myself, or do I need a technician?
A8: You can easily set up the Arris CM820A modem yourself by following the included instructions. However, some ISPs might require a professional installation. Always check with your provider.
Q9: Is the Arris CM820A backwards compatible with DOCSIS 2.0 or 1.1?
A9: Yes, the Arris CM820A is backward compatible with DOCSIS 2.0 and 1.1 standards, which can be helpful if your ISP has not yet upgraded to DOCSIS 3.0.
Q10: Can I use this modem for VOIP services?
A10: The Arris CM820A does not support built-in VOIP features. You would need to connect a separate VOIP device or use a modem-router combo that supports VOIP if this feature is needed.