How Packet Switching Works at Layer 2 and Well-Known Ports
See how packet switching works from app data to Ethernet frames, through Layer 2 MAC checks, then across IP next hops. Learn where TCP and UDP ports identify services.
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Ethernet Cable Length Limit: 100 m Channel, Cable Sizes, and Exceptions
Learn the ethernet cable length limit: why a 100 m channel is not always a 100 m cable, how gauge and category affect runs, and when to use switches, extenders, or fiber.
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Coax to Cat5: Reusing Coax for an Ethernet Link
Coax to Cat5 setups rely on an active coax to Ethernet converter at both coax ends. Learn how to wire the Cat5/RJ45 end and check link lights, throughput, and stability.
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Cat5 vs Cat6 connectors: choosing plugs, jacks, and terminating Cat5e, Cat6, and Cat7 cable
Cat5 vs Cat6 connectors share an 8P8C shape, but ratings, conductor size, shielding, and channel design affect performance. Compare plugs and jacks, then terminate Cat6 with confidence.
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RJ45 Crimp: How to Use the Correct Ethernet Pinout
Learn the RJ45 crimp method: choose a compatible plug, arrange T568A or T568B wires, seat the jacket, crimp, and read tester results for opens, shorts, reversals, crosses, and split pairs.
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Telecommunication Devices, Equipment, and Company Types
A practical reference to telecommunication devices and telecommunication equipment, plus the company types that build, own, operate, and support modern communications networks.
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Best Internet Cable: Cat5 vs Cat5e vs Cat6 and How to Test It
Choose the right Ethernet cable for your run by comparing Cat5, Cat5e, and Cat6, then use a continuity and wire-map tester to catch opens, shorts, and pair faults.
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RDC Port 3389: Find, Change, and Test Windows Remote Desktop
The default RDC port is 3389. Find the listener, connect with host:port syntax, change the setting, update firewall and NAT rules, and verify the service.
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Types of Ethernet Ports: Match Cables to a 10GbE Switch
Types of Ethernet ports explained: compare RJ45, SFP, SFP+, and QSFP interfaces, then choose a compatible 50-foot Ethernet cable, module, connector, and fiber or copper link for a 10GbE switch.
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Newest Ethernet Cable: Is Cat6A or Cat8 Right for You?
Find the newest ethernet cable for home, office, or faster links. Compare Cat5e, Cat6, Cat6A, and higher categories, then choose RJ45 wiring and test the connection.
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