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
MikroTik hAP AC Lite Tower RB952Ui-5ac2nD-TC Wireless RouterBoard
42 Review
π Zoom DOCSIS 3.0 Cable Modem 5341-02-03H: Fast and Reliable Internet Access
9 Review
Netgear DM111P Broadband Wired ADSL2
9 Review
π Juiced Systems Silver BizHUB USB-C Multiport Gigabit HDMI Hub with 3 USB 3.0 Ports, Gigabit Ethernet, 4K HDMI, SD/Micro SD, and USB-C Power Delivery
11 Review
π StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
4 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