![My grandfather gave me a Cisco 2500 series router and it looks like it predates Ethernet. How can I get this working? What are all these ports, what signals do they use, My grandfather gave me a Cisco 2500 series router and it looks like it predates Ethernet. How can I get this working? What are all these ports, what signals do they use,](https://i.redd.it/tikgjcqfvqi61.jpg)
My grandfather gave me a Cisco 2500 series router and it looks like it predates Ethernet. How can I get this working? What are all these ports, what signals do they use,
![📡 Find Your Cisco Router's Default IP The Easy Way (Updated 2023-08-04 17:16:05.304674+00:00) | RouterReset 📡 Find Your Cisco Router's Default IP The Easy Way (Updated 2023-08-04 17:16:05.304674+00:00) | RouterReset](https://www.router-reset.com/media/brand/Cisco-default-ip-address.jpg)
📡 Find Your Cisco Router's Default IP The Easy Way (Updated 2023-08-04 17:16:05.304674+00:00) | RouterReset
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