1、TYPES OF TELEPHONENew type that emerges with telephone developmentA brief description of a traditional telephone:Earphone-receiverMicrophone-transmitterA ringerRotary dial baseA handsetA brief description of the continuing expanding of the telephone network:Consisting of a world wide net of telephon ...
the number of cables & the measure of the cables. The most significant label of cable is the plastic coating or the insulation around the conducting wires. Some of the common labels written on cables are THHN, THWN, THW & XHHN. In every type of label...
Product name:Cat3 UTP telephone cable;Conductor:Copper;Insulation:PVC;Shield:Aluminum Tape;Certification:CE/ROHS/ISO9001;Application:Telecom Comunication;Working temperature:Blow30-60℃;Color:White,red,black,yellow,purple;Electric strength:1.0KV no break
Communication cables: Coaxial cable: commonly used for TV signal transmission and some broadband Internet connections. Twisted pair cable: used for telephone lines and low-speed data communication. Optical cable: used for high-speed data transmission, such as Internet backbone network, enterprise LAN,...
This isHONGAN GROUP CORPORATION LIMITED.Specialized produce optical fiber cable, network data cable and multi pair telephone cables more than 30 years.And also EPON , GPON, Data center Solutions and Equipments. Located in Shandong China. Products had passed ISO9001 ...
is like rj11 but has six pins instead of four. it is also commonly used for telephone cables. how do i know if i need an rj11 or rj45 cable? if you are connecting a phone or modem, you will likely need an rj11 cable. if you are connecting a computer or other device to a ...
Cat3 cable is an earlier generation of cable, which supports a maximum frequency of 16 MHz. This cable may have 2, 3, or 4 copper pairs. Cat3 type of Ethernet cable is still used for two-line telephone systems and 10BASE-T networks. It is also used for alarm system installation or ...
telephone cables by attaching a wire coil to each end of the line whoseelectrical impedance, measured inohms, is equal to the characteristic impedance of the transmission line. A familiar example of impedance matching is the transformer used on older television sets to match a 75-ohm coaxial ...
The internet is a global network of interconnected computers that allows for the transmission of data and information. It is made up of many smaller networks, including LANs and WANs, that are connected through servers, routers, and cables. Applications Telephone systems: These systems allow for ...
while communication cables operate at higher frequencies. A power cable usually has not more than three conductors, each of which may be 1 inch (2.5 cm) or more in diameter; a telephone cable may have several thousand conductors, the diameter of each being less than 0.05 inch (0.125 cm)....