1. 1000BASE-T: A current local area network standard used to implement 1000 Mbps Ethernet on twisted pair cables of category 5 and above. See also Gigabit Ethernet.
2. 100BASE-T: The twisted pair version of 100Mbps Ethernet, which requires category 5 or more twisted pair cables.
3. 10BASE2: also known as “thin cable network”. 10 Mbps Ethernet based on thin (RG58) coaxial cable.
4. 10BASE5: also known as “thick cable network”. 10 Mbps Ethernet based on thick coaxial cable.
5. 10BASE-T: 10 Mbps Ethernet based on twisted pair (category 3 and above).
6. 110 connector: a commonly used insulation displacement connector (IDC) that uses modular sockets, patch panels and cross-connects.
7. 3270 (IBM): A large computer. At first it ran on RG62 coaxial cable, and now it generally runs on unshielded twisted pair.
8. 66 Block: A traditional cross-connect system with similar functions to AMP 110Connect XC.
9. AS/400 (IBM): A medium-sized computer system. At first it ran on twin-axis cables. Nowadays, media equalization converters are generally used to run on unshielded twisted-pair cables.
10. Attenuation: the energy lost when the signal passes through the wiring system.
11. Backboard: refers to the plywood fixed on the wall of the telecommunication cabinet. Used to install cross-connects.
12. Backbone cables: connecting cables between each floor of a building or between buildings in a park.
13. Equalizer converter: a converter used to connect coaxial or double-axis cable equipment with twisted-pair cables.
14. BNC: a coaxial cable connector.
15. Category 3: A grade of twisted pair cables, connectors and system performance. The regulations apply to 16Mhz voice and data applications below 10 Mbps.
16. Category 5: A grade of twisted pair cables, connectors, and system performance. The regulations apply to 100Mhz voice and data applications below 155 Mbps (or 1000 Mbps).
17. Category 5e: also known as Category 5e. A grade of twisted pair cables, connectors, and system performance. The regulations apply to 100Mhz voice and data applications with a rate of 1000 Mbps and below.
18. Category 6: A grade of twisted-pair cables, connectors, and system performance. Performance regulations for bandwidths below 250 MHz.
19. Channel: the entire horizontal wiring system. Each connection component between the computer and the network switching equipment in the telecommunication cabinet does not include the equipment connection.
20. Coax: short for coaxial. Single-conductor cable with braided shield. Used for data transmission in the 1980s. It is now generally replaced by UTP (unshielded twisted pair). But it is still used for video transmission.
21. Assembly point: an interconnection device that divides the horizontal wiring into two parts. Used for regional cable connection.
22. Cross connection (XC): the connection hardware used to connect two sets of cables (for example, horizontal cables and backbone cables). AMP110Connect XC.
23. Data rate: The data transmission speed of a specific network (or other device) measured in bits per second.
24. dB: Abbreviation for decibel (decibel). The logarithmic ratio of two powers, voltage or current.
25. Delay deviation: the difference in transmission delay between the slowest and fastest pair in a cable or system.
26. Offline: Refers to the horizontal wiring cable in a working area, such as “There are 100 offline cables in this working area.”
27. ELFEXT: Equivalent far-end crosstalk. A FEXT (far-end crosstalk) measurement method for attenuation of wiring systems.
28. Super Category 5: also known as Category 5e. Also known as enhanced category 5. A grade of twisted pair cables, connectors, and system performance. The regulations apply to 100Mhz voice and data applications with a rate of 1000 Mbps and below.
29. Ethernet: The most commonly used network protocol. A protocol is a set of rules for data communication. Initially based on bus layout.
30. F connector: a coaxial cable connector usually used for video transmission (cable TV).
31. FEXT: Far-end crosstalk. Interference noise from the remote transmission line pair of the system and attached to the receiving line pair.
32. Gbps: A data rate. Gigabits per second. One gigabit is equal to one billion bits.
33. Gigabit Ethernet: The latest (1999) and fastest version of Ethernet. The data rate is 1000 Mbps, or 1 gigabit per second.
34. Horizontal wiring: Including work area wiring ports, distribution cables and connecting hardware in the telecommunications room.
35. Hub: Network equipment, usually located in the connected telecommunications cabinet.
36. IDC: Insulation displacement connection. A connection method that can separate the cable insulation for connection. There is no need to peel off the insulating layer beforehand.
37. IEEE: Institute of Electrical and Electronics Engineers. The 802 group is responsible for the formulation of LAN standards and metropolitan area network standards.
38. IEEE 802.3: Usually refers to Ethernet. A network protocol.
39. IEEE 802.5: Usually command card ring network. A network protocol.
40. Impedance: the total obstructive force of the alternating current in the conductor.
41. Jumper: usually refers to a twisted pair without a sheath used for cross connection.
42. Kbps: A data rate. That is, kilobits per second.
43. LAN: Local area network. Limited to one building or even one floor. Large companies may have several local area networks connected via the Internet or backbone network.
44. LINK: The part between the work area on the horizontal wiring system and the terminal point of the telecommunications room.
45. Mbps: a data rate. That is, megabits or million bits per second.
46. MHz: Megahertz. Millions of cycles per second (Hertz). The frequency or frequency range (bandwidth) specified by the cable system.
47. Modular socket: standard socket connector used for twisted pair. Such as “telephone socket”.
48. Modular plug: a standard plug connector for twisted-pair wires. Such as “phone plug”.
49. MT-RJ: A miniaturized dual-fiber connector.
50. Multimode: A type of optical fiber in which light passes through this optical fiber in multiple paths. Use light-emitting diodes or lasers as light sources.
51. Multi-user socket: a work area information socket designed to support multiple users. Also known as “multi-user telecommunication socket assembly”, namely MUTOA.
52. MUTOA: See “multi-user socket”.
53. NEXT: Near-end crosstalk. The interference noise from the transmission line of the equipment attached to the receiving line of the equipment.
54. NIC: Network interface card. The PC can be connected to the network.
55. Node: A device connected to the network.
56. Socket: the termination point of the horizontal cable in the work area.
57. Jumper: A cable accessory with a plug at both ends (usually). Used for cross connection.
58. Patch panel: a panel (usually 19 inches wide) that is fixed to the rack and contains connecting hardware. It is used for the plug connection between the cable set and the device.
59. PBX: dedicated exchange extension. Local telephone exchange. Perform telecommunications functions.
60. Plenum: The part where indoor air circulates. This kind of place needs to use pressurized ventilation type cable.
61. Power sum: the sum of noise from multiple interference sources. Applicable to NEXT (near end crosstalk) and ELFEXT (far end crosstalk) standards.
62. Transmission delay: The time it takes for a signal to pass through a cable or system.
63. Transmission delay deviation: the difference in transmission delay between the slowest and fastest pair in a cable or system.
64. PS ELFEXT: See “Power Sum” And ELFEXT.
65. PS NEXT: See “power sum” and NEXT.
66. Stamping: involves IDC connectors and the methods used to terminate such connectors.
67. Rack: used to fix the patch panel, housing and equipment in the telecommunications cabinet. It is usually 19 inches wide and 7 inches high.
68. Return loss: The measured value of the signal reflected back to the transmitter due to the impedance change of the wiring system.
69. Riser: the backbone cable routing shaft that connects the vertical state of the telecommunications rooms on each floor.
70. RJ11: a wiring mode for 6-position modular sockets. Refer to the use of the socket itself.
71. RJ21: A wiring pattern for 25-pair (AMP CHAMP) connectors. Refer to the use of the connector itself.
72. RJ45: A wiring mode for 8-bit modular sockets. Refer to the use of the socket itself.
73. SC connector: a two-way optical fiber connector. A standard connector that complies with the 568 cable standard.
74. Single-mode: A type of optical fiber in which light passes through this optical fiber in a single path. Use laser as light source.
75. ST connector: a kind of optical fiber connector interface. Optional connector type that meets the 568 standard.
76. STP: Shielded twisted pair cable. 2-wire pair 150 ohm shielded cable.
77. Switch: A kind of network concentrating switch equipment. Can provide higher bandwidth than shared hubs.
78. System/3X (IBM): The processor of the AS/400 computer.
79. T568A and B: Two standard wire sequence modes for 8-bit modular sockets.
80. Telco: Abbreviation for telecommunications (ortelephone company).
81. Telco connector: see 25-pair (AMP CHAMP) connector.
82. Telecom closet: Telecom room. A device for placing horizontal cable termination points. It can also include local area network electronic equipment.
83. Thick cable network: IEEE 10BASE5.10 Mbps Ethernet running on the thick coaxial cable network.
84. Thin cable network: IEEE 10BASE2.10 Mbps Ethernet running on thin coaxial cable network (RG58).
85. Token Ring Network: A network protocol based on Token Ring.
86. Twisted-pair cable: A cable made of several pairs of wires twisted together.
87. UTP: Unshielded twisted pair cable. A cable made of several pairs of wires twisted together.
88. Wiring room: see telecommunication room.
89. Work area: where the user’s communication equipment is located. The part between the wiring port and the equipment on the wiring system.
90. Regional cables: a concept in architecture. This concept divides the horizontal cable into two parts. There is no need to change the entire horizontal cable when moving, adding and replacing.
91. Application system: A system that transmits information in a certain way, and this system can operate normally on the integrated wiring.
92. Cables: cables refer to cables, optical cables and various flexible cables connected to information technology equipment.
93. Integrated wiring: Integrated wiring is an information transmission channel composed of cables and related connecting hardware, which can support a variety of application systems. The integrated wiring does not include various terminal equipment and conversion devices in the application system.
94. Building complex, park: an area composed of one or more buildings. For example: schools, factories, airports, communities or military bases, etc.
95. Building trunk cables and optical cables: cables and optical cables connecting the building distribution frame and the floor distribution frame in the building. Such cables and optical cables can also be used to directly connect two floor distribution frames in the same building.
96. Trunk cables and optical cables of building complexes: In the building complex, cables and optical cables connecting the distribution frame of the building complex and the distribution frame of the building. Such cables and optical cables can also be used to directly connect building distribution frames between different buildings.
97. Horizontal cables and horizontal optical cables: cables and optical cables connecting floor distribution frames and information sockets.
98. Equipment cables, optical cables, and flexible cords: cables and optical cable assemblies that connect the terminal equipment of the application system to the distribution frame.
99. Work area cables, optical cables, and flexible cords: cables and optical cable assemblies that connect terminal equipment to information sockets in the work area. Work area cables and work area optical cables are generally called flexible cables or patch cords.
100. Cable unit, optical cable unit: a combination of cable pairs or optical fibers of the same type and category, the cable unit can have a shielding layer.
101. Unshielded twisted-pair cable, paired-pair cable: a cable composed of unshielded pairs (referred to as unshielded cables). When there is a total shield, it is called an unshielded cable with a total shield.
102. Shielded twisted-pair cable, paired-pair cable: a cable composed of shielded pairs (referred to as shielded cable). When there is a total shield, it is called a shielded twisted-pair cable with a live total shield.
103. Hybrid cables and optical cables: components composed of two or more cables and optical cable units of different types or categories, covered with a total sheath. There can also be a total shield inside the sheath. Among them, the one made up of only the cable unit is called the integrated cable; the one made up of only the optical cable unit is called the integrated optical cable; the one made up of the cable unit assembly and the optical cable unit assembly is called the hybrid cable.
104. Jumper wires: cable pairs or cable units without connectors, used in the distribution frame to transfer various links.
105. Patch cord: a flexible cable or flexible optical cable with a connector at one or both ends. It is used to connect various links on the distribution frame, and the patch cord can also be used in the work area.
106. Distribution frame: a hand-over device that uses patch cords to connect links, and the link can be easily changed or disconnected through the distribution panel.
107. Handover: A non-permanent connection method that uses patch cords or jumpers to connect cables, optical cables or equipment.
108. Interconnection: A connection method in which one cable or optical cable is directly connected to another cable or optical cable and equipment without patch cords or jumpers.
109. Distribution frame: a device for terminating and connecting cables or optical cables. Interconnection or handover operations can be performed on the distribution frame.
110. Distribution frame of building complex: a connection device for terminating the trunk cable and optical cable of the building complex.
111. Building distribution frame: a connection device that terminates building trunk cables and trunk optical cables and can connect building trunk cables and trunk optical cables.
112. Floor distribution frame: a device that connects horizontal cables and horizontal optical cables with other wiring subsystems or equipment.
113. Link: A transmission channel with specified performance between two interfaces of integrated wiring. The link does not include terminal equipment, work area cables, work area optical cables and equipment cables, and equipment optical cables.
114. Channel: Connect two application devices for an end-to-end information transmission path. A physical channel can be divided into several logical channels. The channel includes equipment connection cables and work area patch cords of the application system.
115. Information sockets and lead-out terminals: the interfaces of integrated wiring in each work area, which are connected with horizontal cables or horizontal optical cables. The terminal equipment in the work area is connected to this interface with a patch cord.
116. Lead-in equipment: the relevant equipment that leads the communication cable or communication light into the building in accordance with relevant regulations.
117. Public network interface: the demarcation point between the public network and the private network. In most cases, the public network interface is the connection point between the public network equipment and the integrated wiring.
118. Wiring room, transfer room, telecommunications room: a dedicated space for placing distribution frames, application equipment, and conducting integrated wiring transfer and management. The trunk subsystem and the horizontal subsystem are switched here.
119. Equipment room: a space for placing telecommunications equipment, application equipment and patch panels, and conducting integrated wiring transfer and management.
120. Work area: the place where the terminal equipment of the application system is placed. The integrated wiring is generally called a working area with an area of 10M2.
121. Transfer point: the point where cables of different types or specifications and optical cables are connected in horizontal wiring (for example: the connection point of flat cables and round cables or wires of different pairs).
122. Terminal: A device that can send and receive information through a channel or link. It works in an online mode.
123. Information: The representation and description of the state of movement of objective things. It is a symbol, a sequence (such as letters, numbers) or a function of connecting time (such as an image) of the movement state of an objective thing.
124. Management point: the arrangement of various cross-connections, direct connections or information outlets of management channels.
125. Adapter: This device uses different sizes or different types of plugs to match the information; provides the rearrangement of the leads; allows multiple pairs of cables to be divided into smaller strands; interconnects the cables.
126. Balanced and unbalanced converter: A device that converts electrical signals from flat to unbalanced or from unbalanced to balanced. It can be used for impedance matching between twisted-pair cables and coaxial cables.
127. Bending radius: The bending radius at which the optical fiber is bent without breaking or causing excessive additional loss.
128. Cable man: a device that slides at the end of the cable, which is connected to the winch or handle, and helps to pull the cable during installation.
129. Connection block, wiring block: the hardware connecting the twisted-pair cable, jumper wires or patch cords can be used to realize the link connection.
130. Graded refractive index optical fiber: an optical fiber whose refractive index decreases along the axial direction. The photons are reflected in the core, and the light is continuously refocused, which makes the optical cable bend inward and can transmit faster than in the low-emission coefficient region. This kind of fiber can increase the bandwidth.
131. Wiring tension: When the cable is installed, the size of the relay acting on it is measured in N (Newton).
132. Supporting hardware: brackets, clips, cabinets, brackets, tripods, tools and other fixed transmission media, practical tools that connect the connecting hardware to the wall or ceiling.
133. Termination block: In various cable transmission channel configurations, it is a molded plastic board that terminates the cable pair and connects the pair in the 110-type distribution frame.
134. Line: Transmission medium, generally refers to link. In the SNA environment, it refers to a link in the network.
135. Circuits and lines: energized paths formed by energized conductors; communication links between any two or more points in the application system.
