klein tools makes cable testers with nodes that you can buy. you can get up to like 20?
https://www.amazon.com/Klein-Tools-VDV526-055-LanMap-Testers/dp/B004OJDZSW?th=1
using this
https://www.amazon.com/Klein-Tools-VDV501-851-Ethernet-Locator/dp/B085LPN71C/ref=sr_1_2?crid=1XUYM43QG0YCD&keywords=klein+tools+cable+tester&qid=1661007843&sprefix=klein+tools+cable+tester%2Caps%2C80&sr=8-2