What is modem
đŸ“¡ Modem 1.Traditional Meaning A modem (short for modulator–demodulator) is a device that converts signals so your computer or router can communicate with your Internet Service Provider (ISP). 2. Fiber Era: ONT 3. Core Functions 4. Types of Modems 5. Modem vs Router vs Switch Device Role OSI Layer Example Modem Converts signals, connects to ISP Layer 1 (Physical) DSL/cable/fiber modem Router Connects different networks, directs packets Layer 3 (Network) Home router linking LAN to Internet Switch Connects devices within LAN, forwards by MAC Layer 2 (Data Link) Office switch connecting PCs & printers 5. Example in Action ✅ Summary: A modem is the gateway device that makes Internet access possible by converting signals between your local network and your...
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