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Part 1: Dial Interfaces, Controllers, and Lines - Overview of Dial Interfaces, Controllers, and Lines [Support] - Cisco Systems
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Dial Configuration Guide, Cisco IOS Release 15M&T - Telco and ISP Typical Dial Scenarios and Configurations [Support] - Cisco Systems
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Part 1: Dial Interfaces, Controllers, and Lines - Overview of Dial Interfaces, Controllers, and Lines [Support] - Cisco Systems
![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://preview.redd.it/tikgjcqfvqi61.jpg?auto=webp&s=d34e6bb2fdae7e3a63fe6ff035948454c264d111)
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,
![Dial Configuration Guide, Cisco IOS Release 15M&T - Overview of Modem Interfaces [Support] - Cisco Systems Dial Configuration Guide, Cisco IOS Release 15M&T - Overview of Modem Interfaces [Support] - Cisco Systems](https://www.cisco.com/en/US/i/000001-100000/10001-15000/14001-14500/14479.jpg)
Dial Configuration Guide, Cisco IOS Release 15M&T - Overview of Modem Interfaces [Support] - Cisco Systems
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