Interfaces & Modules

1. CAT-5 vs. CAT-5e…General Questions of CAT-5, CAT-5e, CAT-6, and CAT-7
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   What are the differences among the popular cat cable types you often heard and used: CAT-5, CAT-5e and CAT-6? There are also some other CAT cables such as previous type CAT 3 and the Class F-Cat 7.  First of all, let’s have an overview on the difference between CAT-5, CAT-5e, ...
2. Cat5e vs. Cat6: The differences between Cat5e and Cat6 cable
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   Cat5e and Cat6, these main Ethernet cables keep going in developing its technologies in series of routing, switching, wireless, cabling and security products. Do you know the differences between them? Cat6 cables, also called Category 6 or Cat 6 cables, provide lower ...
3. Cisco CCNA: Types of Ethernet Cabling. Network Cables in networking
   leo peng

   896
   Ethernet cabling is an important topic on Cisco’s CCNA exam. So what do you need to know about Ethernet cabling?  To start off with, you should know that not all Ethernet cabling is the same.  If you go to a store you may find a variety of “categories” of cabling. ...
4. What is the difference between rj45 and rj11?
   tiger tiger

   1020
   What is Registered Jack RJ, which means Registered Jack, is the acronym that cable connectors usually start with. Connectors using the distinction Registered Jack (RJ) describe a standardized telecommunication network interface. Two of the most common jacks are the RJ45 and RJ11, each ...
5. CAT5 vs. CAT5e vs. CAT6. For More Bandwidth?
   Meela Zeng

   101
   CAT5, CAT5e and CAT6, all of these are twisted-pair copper cable that is used to carry signals. They are most often used in computer networks, but can also be used to move data in home theatre applications. Every cable on the market has product standards set by the Telecommunication ...
6. What is the difference between Straight Through and Crossover Cable?
   leo peng

   917
   When talking about cable pinouts we often get questions as to the difference in Straight-through, and Crossover cables and the intended use for each type of cable. These terms are referring to the way the cables are wired (which pin on one end is connected to which pin on the other end). T568A ...
7. What is SFP? The main characteristics of SFP
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   What is SFP? A SFP is a hot-swappable input/output device that plugs into the SFP ports, linking the switch with the fiber-optic network. A small transceiver that plugs into the SFP port of a network switch and connects to Fibre Channel and Gigabit Ethernet (GbE) optical fiber cables at the ...
8. What is PoE? What is PoE+? PoE vs. PoE+
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   What is PoE? Power over Ethernet (PoE) is a networking feature defined by the IEEE 802.3af and 802.3at standards. PoE lets Ethernet cables supply power to network devices over the existing data connection. PoE-capable devices can be power sourcing equipment (PSE), powered devices (PDs), or ...
9. What are SFP ports used for?
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   The small form-factor pluggable (SFP) is a compact, hot-pluggable transceiver used for both telecommunication and data communications applications. The form factor and electrical interface are specified by a multi-source agreement (MSA) under the auspices of the SFF Committee. It interfaces a ...
10. SFP vs. GBIC: what’s the difference?
    leo peng

    61
    In modern networking, optical transceivers are essential devices that plug into network switches or routers to support high-speed links, such as Gigabit Ethernet and Fibre Channel. For network professionals, understanding the differences between the legacy GBIC (Gigabit Interface Converter) and ...