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.
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
Netgear DM111P Broadband Wired ADSL2
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π Zoom DOCSIS 3.0 Cable Modem 5341-02-03H: Fast and Reliable Internet Access
9 Review
RCA DCM425 Digital Cable Modem
9 Review
HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
12 Review
UGREEN USB 3.0 Ethernet Adapter Hub with RJ45: Fast Gigabit Ethernet Converter, 3 Ports USB 3.0 Hub Compatible for MacBook, iMac, Surface Pro, Chromebook, Laptop, PC
11 Review
π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
4 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