When purchasing a replacement cable modem, make sure the modem model and make are approved by your service department. It was the correct model and brand, but the BIOS was not recognized by Comcrap. At least the seller acknowledged my problem and refunded the money for the purchase.
RCA DCM425 Digital Cable Modem
9 Review
TP-Link Archer CR700 - 16x4 AC1750 Wi-Fi Cable Modem Router πΆ with 680Mbps DOCSIS 3.0 - Certified for Comcast XFINITY, Spectrum, Cox, and More
9 Review
πΆ Ubee DDW365 Wireless DOCSIS 3.0 Cable Modem Gateway" - Enhanced for SEO: "Ubee DDW365 Wireless DOCSIS 3.0 Cable Modem Gateway - Advanced Connectivity Solution
9 Review
πΆ Renewed NETGEAR Cable Modem CM600 - Compatible with Xfinity by Comcast, Spectrum, Cox, and More | Supports Cable Plans Up to 400 Mbps | DOCSIS 3.0
11 Review
π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review
π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review
π uni USB C Hub with Ethernet Adapter, 4K HDMI, Gigabit Ethernet, and 3 USB 3.0 Ports for MacBook Pro, iPad Pro, XPS
11 Review