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Q1:What is the difference between 10BASE-T, 100BASE-T and 1000BASE-T?
Answer:10BASE-T is the IEEE standard that defines the requirement for sending information at 10 Mbps on unshielded twisted-pair cabling, and defines various aspects of running Ethernet on this cabling. 100BASE-T is the IEEE standard that defines the requirement for sending information at 100 Mbps on unshielded twisted-pair cabling, and defines various aspects of running baseband Ethernet on this cabling. 1000BASE-T (also called gigabit Ethernet) is the IEEE standard that defines the requirement for sending information at 1000 Mbps on unshielded twisted-pair cabling, and defines various aspects of running baseband Ethernet on this cabling
Q2:What is the difference between the types of cable - UTP, Patch, Stranded, Solid...
Answer:UTP stands for Unshielded Twisted Pair. It is a cable type with pairs of twisted insulated copper conductors contained in a single sheath. UTP cables are the most common type of cabling used in desktop communications applications. Stranded cable has several small gauge wires in each separate insulation sleeve. Stranded cable is more flexible, making it more suitable for shorter distances, such as patch cords. Solid has one larger gauge wire in each sleeve. Solid cable has better electrical performance than stranded cable and is traditionally used for inside walls and through ceilings - any type of longer run of cable.
Q3:What do the electrical parameters actually mean?
Answer:Attenuation; The decrease of strength as a signal travels through a cable or device, measured in Decibels. Bps (Bits per second); The basic unit of measurement for serial data transmission capacity. (MBps, millions of Bits per second.) Crosstalk; The unwanted transfer of signal from one circuit to another. NEXT [Near End Cross Talk]; A measurement of interference between the conductors of a cable. Impedance; Measured in Ohms. A uniform transmission line (cable) of an arbitrary length of cable will have no standing waves or reflections from the end and a constant frequency at every point on the cable. Impedance is made up of Resistance, Inductance, Capacitance and Conductance inherent in a cable. Capacitance; Capacitance is the property of an electrical charge between positive and negative conductors. This is measured by the amount of separated electrical charge that can be stored. Measured in Pico-Farad. In our case it relates the measurement between the conductor and the shield. A low capacitance is what we require.
Q4:What official standard organizations cover Ethernet cabling products?
Answer:IEEE; Institute of Electrical and Electronics Engineers, Committee 802. TIA; Telecommunication Industry Association. EIA; Electronic Industries Alliance. IEC; International Electrotechnical Committee. ISO; International Organization for Standardization. (ISO is taken from the Greek word ‘ISOS’ meaning ‘equal’ maintaining international equilibrium.) ANSI; American National Standards Institute. ANSI do not itself develop American National standards, rather it facilitates development, establishing consensus amongst qualified groups. ANSI promotes the use of the standards internationally and encourages the adoption of the standards internationally. ANSI was a founder member of ISO and a member of the IEC Governing Committee of Action. ProPlex PCCAT5P and PCCAT5EP are ETL Verified.
Q5:What is the difference between CAT-5, CAT-5e, CAT-6, CAT-7...
Answer:The Simple Answer: CAT-5 is rated to 100M CAT-5e is rated to 350M CAT-6 and CAT6e is rated to 550M or 1000M depending on your source CAT-7 is supposedly rated to 700M or presumably 1000M Both CAT-5 and CAT-5e have 100 ohm impedance and electrical characteristics supporting transmissions up to 100 MHz. The differences between CAT-5 and CAT-5e show in all aspects of performance: capacitance, frequency, resistance, attenuation, and NEXT. CAT-5e components were designed with high-speed gigabit Ethernet in mind. While CAT-5 components may function to some degree in a gigabit Ethernet, they perform below standard during high-data transfer scenarios. CAT-5e cables work with ATM and gigabit speed products. Simply, if you are using a 100Mbps switch, get CAT-5e cable instead of CAT-5. CAT-5e is formally called ANSI/TIA/EIA 568A-5 or simply Cat-5e (the e stands for 'enhanced'). CAT-5e is completely backward compatible with current CAT-5 equipment. The enhanced electrical performance of CAT-5e ensures that the cable will support applications that require additional bandwidth, such as gigabit Ethernet or analog video.