July 08, 2023
1. 1000BASE-T: The current LAN standard for implementing 1000 Mbps Ethernet over Category 5+ twisted pair, see also Gigabit Ethernet.
2. 100BASE-T: 100Mbps twisted-pair version of Ethernet, requires Category 5 or higher twisted-pair cable
3. 10BASE2: Also known as "thin cable network". Ethernet 10 Mbps over thin (RG58) coaxial cable.
4. 10BASE5: Also known as "fat cable network". Ethernet 10 Mbps over thick coaxial cable.
5. 10BASE-T: 10 Mbps Ethernet over twisted pair (Category 3 and above).
6. Connector 110: A widely used insulation slot connector (IDC) using modular jacks, patch panels, and cross-connects.
7. 3270 (IBM): large computer. Originally operated over RG62 coaxial cable, now typically operated over unshielded twisted pair.
8. 66 Block: Traditional cross-connect system similar in function to AMP 110Connect XC.
9.AS/400 (IBM): Medium-sized computer system. Initially worked on twinax cable. Currently, use of media equalizers for operation on unshielded twisted pairs is widespread.
10. Attenuation: The loss of energy as a signal travels through a wired system.
11. Back panel: refers to plywood fixed on wall of telecommunication cabinet. Used to install cross connectors.
12. Trunk cable: Connecting cable between each floor of a building or between buildings in a park.
13. Equalization converter: converter for connecting coaxial or twinax cable equipment to twisted pair
14. BNC: connector for coaxial cable.
15. Category 3. Performance level of twisted pair cable, connector and system. The rules apply to 16 MHz voice and data applications below 10 Mbps.
16. Category 5. Performance level of twisted pair cable, connector and system. The rules apply to 100 MHz voice and data applications below 155 Mbps (or 1000 Mbps).
17. Category 5e: Also known as Category 5 Super. Performance class for twisted pair cables, connectors and systems. The rules apply to 100 MHz voice and data applications at 1000 Mbps and below.
18. Category 6. Performance level of twisted pair cable, connector and system. Performance requirements for bandwidth below 250 MHz.
19. Channel: The whole horizontal wiring system. Each component of connection between a computer and network switching equipment in a telecommunications closet, excluding equipment connections.
20. Coax: Abbreviation for coaxial. Single core cable with braided shield. Used to transmit data in 80s. Now it has generally been replaced by UTP (Unshielded Twisted Pair). But still usesfor video transmission.
21. Convergence point: a connecting device that separates horizontal wiring into two parts. For territorial cable connections.
22. Cross Connect (XC): Connecting equipment used to connect two sets of cables (eg horizontal cables to backbone cables). AMP110Connect XC.
23. Data Rate: The rate at which a particular network (or other device) transmits data, measured in bits per second.
24. dB: Abbreviation for decibel (decibel). The logarithmic ratio of two powers, voltages or currents.
25. Delay Skew: The difference in propagation delay between slowest and fastest pair in a cable or system.
26. Offline: Refers to horizontal wiring cables in work area, e.g. "100 are offline in this work area".
27. ELFEXT: Equivalent far-end crosstalk. FEXT (far-end crosstalk) measurement method for measuring attenuation in a cable system.
28. Category Super 5: Also known as Category 5e. Also known as extended category 5. Performance class for twisted-pair cables, connectors, and systems. The rules apply to 100 MHz voice and data applications at 1000 Mbps and below.
29. Ethernet: The most commonly used network protocol. A protocol is a set of rules for transmitting data. Originally based on bus scheme.
30. F Connector: A coaxial cable connector commonly used for video transmission (cable television).
31. FEXT: Far end crosstalk. Interference noise added to a pair of receive lines from a pair of transmission lines at far end of system.
32. Gbps: data transfer rate. gigabits per second. A gigabit is equal to 1 billion bits.
33. Gigabit Ethernet: The latest (1999) and fastest version of Ethernet. The data transfer rate is 1000 Mbps or 1 gigabit per second.
34. Horizontal cabling: including work area wiring ports, distribution cables, and connection equipment in telecommunications room.
35. Hub: A network device, usually located in telecommunications closet to which it is connected.
36. IDC: Insulation displacement connection. A type of connection in which cable insulation can be stripped for connection. There is no need to remove insulation in advance.
37. IEEE: Institute of Electrical and Electronics Engineers. Group 802 is responsible for developing standards for local area networks and metropolitan area networks.
38. IEEE 802.3: Usually refers to Ethernet. network protocol.
39. IEEE 802.5: In general, command card ring network. network protocol.
40. Impedance: The total resistance to AC current in a conductor.
41. Jumper: Usually refers to an unsheathed twisted-pair cable used for crossover.
42.Kbps: data rate. That is a kilobit per second.
43. LAN: local area network. Limited to one building or even one floor. A large company may have several local networks connected by Internet or a backbone.
44. REFERENCE: The part between work area and point of telecommunications terminal in horizontal wiring system.
45. Mbps: data transfer rate. These are megabits or millions of bits per second.
46. MHz: megahertz. Million cycles per second (Hertz). Specified frequency or frequency range (bandwidth) of cable system.
47. Modular Outlet: Standard twisted pair outlet. For example, "telephone socket".
48. Modular plug: Standard twisted-pair plug. For example, "telephone plug".
49. MT-RJ: Miniature double fiber optic connector.
50. Multimode: A type of fiber in which light travels multiple paths. LEDs or lasers are used as light sources.
51. Multi-User Socket: A workspace information socket designed to support multiple users. Also known as "multi-user telecommunication socket assembly", i.e. MUTOA.
52. MUTOA: See "Multi-User Exit".
53. NEXT: Near-end crosstalk. Interference noise from transmit line of a device that is added to receive line of that device.
54. Network card: network card. The PC can be connected to network.
55. Node: A device connected to network.
56 Outlet: Connection point for horizontal cable in work area.
57. Jumper: A cable accessory with (usually) plugs on both ends. Used for cross connections.
58. Patch Panel: A rack-mounted panel (typically 19 inches wide) containing connecting hardware. For plug-in connection between cable set and device.
59. PBX: telephone exchange. Telephone exchange site. Performance of telecommunication functions.
60. Plenum: part where air in room circulates. In such places, ventilated cables are required.
61. Total Power: The sum of noise from multiple interferers. Compatible with NEXT (near-end crosstalk) and ELFEXT (far-end crosstalk) standards.
62. Transmission delay: The time it takes for a signal to travel through a cable or system.
63. Propagation Delay Skew: The difference in propagation delay between slowest and fastest pair in a cable or system.
64. PS ELFEXT: See Sum of powers and ELFEXT.
65. PS CONTINUE: See "Sum of powers" and FURTHER.
66. Stamping: refers to IDC connectors and method used to terminate such connectors.
67. Rack: Used to mount patch panels, chassis, and equipment in a telecommunications cabinet. Usually 19 inches wide and 7 inches high.
68. Return Loss: MeasuringThe change in signal reflected back to transmitter due to changes in impedance of wired system.
69. Rise: a trunk cable running along a vertical shaft, connecting telecommunications rooms on each floor in a vertical state
70. RJ11: Wiring diagram for 6-pin modular jacks. Use with a reference to socket itself.
71. RJ21: connection mode for 25-pair connectors (AMP CHAMP). Use for connector itself.
72. RJ45: 8-pin modular jack connection mode. Use with a reference to socket itself.
73. SC Connector: Bidirectional fiber optic connector. Standard connector conforming to 568 cable standard.
74. Singlemode: A type of fiber in which light travels in a single path. With laser as light source.
75. ST connector: fiber optic connector interface. An additional connector type that complies with 568 standard.
76. STP: Shielded Twisted Pair. 2-pair 150 ohm shielded cable.
77. Switch: Network hub switch. Can provide higher throughput than shared hubs.
78 System/3X (IBM): The processor of an AS/400 computer.
79. T568A and B: Two standard wiring modes for 8-pin modular jacks.
80. Telco: Abbreviation for telecommunications (or telephone company) (telecommunications or telephone company).
81. Telco connector: See 25-pair connector (AMP CHAMP).
82. Telecommunication cabinet: Telecommunication cabinet. Means for positioning horizontal cable connection points. May also include LAN electronics.
83. Thick cable network: IEEE 10BASE5.10 Mbps Ethernet over thick coax network.
84. Thin cabling: IEEE 10BASE2.10 Mbps Ethernet running over thin coaxial cable (RG58).
85. Token Ring Network: A network protocol based on ring transfer of tokens.
86. Twisted-pair cable: A cable that consists of multiple pairs of wires twisted together.
87. UTP: unshielded twisted pair. A cable made up of pairs of wires twisted together.
88 Wiring room: see Telecom room.
89.Work area: The location where user's communication equipment is located. The part between wiring hole and equipment in wiring system.
90. Regional cables: an architectural concept. This concept divides horizontal cable into two parts. There is no need to change entire horizontal cable when moving, adding and replacing.
91.Application system: A system that transmits information in a certain way should be used, and this system can work normally on built-in wiring.
92. Cables: Cables refer to cables, optical cables and various flexible cables connected to information technology equipment.
93. Integrated wiring: Integrated wireka is an information transmission channel, consisting of cables and related connecting equipment, which can support various application systems. Integrated wiring does not include various terminal equipment and conversion devices in application system.
94 Building group, park: an area consisting of one or more buildings. For example: schools, factories, airports, communities or military bases, etc.
95. Building backbone and optical cables: Cables and optical cables that connect distribution frame of building and floor distribution frame in building. This fiber optic cable can also be used to directly connect two floor switchboards in same building.
96. Building group trunk and optical cables: in building group, cables and optical cables connecting distribution frame of building group and distribution frame of building. Such cables and optical cables can also be used to directly connect switchboards between different buildings.
97.Horizontal cable, horizontal optical cable: Connect cable and optical cable between floor switchboard and information socket.
98.Network cables, optical cables, flexible wires: cables and optical cable assemblies connecting terminal equipment of application system to switchboard.
99. Cables, optical cables and cords in work area: cables and optical cable assemblies that connect terminal equipment to data outlets in work area. Work area cables and work area optical cables are commonly referred to as flex cables or patch cords.
100. Cable assembly, optical cable assembly: a combination of cable pairs or optical fibers of same type and category, and cable assembly may have a shielding layer.