1. Application system: A system that transmits information in a certain way. This system can operate normally on integrated wiring.
2. Cables: Cables refer to cables, optical cables, and various flexible cables connected to information technology equipment.
3, integrated wiring: integrated wiring is an information transmission channel composed of cables and related connection hardware, it can support a variety of application systems. Integrated wiring does not include various terminal devices and switching devices in the application system.
4, buildings, parks: one or more buildings constitute the area. For example: schools, factories, airports, communities or military bases.
5. Building trunk cables and optical cables: Cables and optical cables connecting building distribution frames and floor distribution frames in buildings. Such cables and optical cables can also be used to directly connect two floor distribution frames in the same building.
6. Architectural trunk cables and optical cables: In buildings , cables and optical cables connecting building distribution frames and building distribution frames are to be connected. Such cables and optical cables can also be used to directly connect building patch panels between different buildings.
7. Horizontal cable and horizontal fiber cable: Connect the cables and optical cables between the floor distribution frame and the information outlet.
8. Equipment cables, optical cables, and cords: cables and optical cable assemblies that connect the terminal equipment of the application system to the distribution frame.
9. Work Area Cables, Optical Cables, and Cords: In the work area, cables and optical cable assemblies that connect terminal equipment to information outlets. Work area cables, work area cables are generally called flexible cables or patch cords.
10, cable unit, cable unit: the same type and type of cable pairs or fiber combination, the cable unit can be equipped with a shielding layer.
11. Unshielded twisted-pair cable, twisted-pair cable: A cable composed of unshielded pairs (abbreviated as unshielded cable). When there is a total shield, it is called an unshielded cable with a total shield.
12, shielded twisted-pair cable, twisted pair cable: a cable composed of shielded pairs (referred to as shielded cable). When there is a total shield, the shielded twisted pair cable is called the total shield.
13, hybrid cable, fiber optic cable: two or more different types or different types of cable, cable unit composed of components, the outside is covered with a total sheath. There can also be a total shield in the sheath. Among them, an integrated cable that is composed of only the cable unit; an integrated optical cable that is only composed of the optical cable unit; and a hybrid cable that is composed of the cable unit assembly and the optical cable unit assembly.
14. Jumper: The cable pair or cable unit without connector is used to transfer various links on the distribution frame.
15, patch cord: soft cable or soft cable with a connector at one end or both ends. Used in the distribution frame to connect various links, patch cord can also be used in the work area.
16. Distribution frame: A transfer device that uses a patch cord to connect the links. It is easy to change or disconnect the link through the distribution panel.
17. Handover: A non-permanent connection using a patch cord or jumper to connect a cable, fiber optic cable, or device.
18. Interconnection: A connection method in which one cable or optical cable is directly connected to another cable or optical cable and equipment without a patch cord or jumper.
19, distribution frame: cable or optical cable termination and connection device. Interconnection or transfer operations can be performed on the distribution frame.
20, building distribution frame: termination of the building trunk cable, optical cable connection device.
21, building distribution frame: termination of the building trunk cable, trunk cable and can connect the building trunk cable, trunk cable connection device.
22, floor distribution frame: horizontal cable, horizontal cable and other wiring subsystems or devices connected to the device.
23. Link: The transmission channel with the specified performance between the two interfaces of the integrated wiring. The link does not include terminal equipment, work area cables, work area cables and equipment cables, and equipment optical cables.
24, channel: connect two application devices for end-to-end information transmission path. A physical channel can be divided into several logical channels. The channel includes device connection cables and work area patch cords for the application system.
25, information outlets, terminal integrated wiring: in the working area of ​​the interface, and horizontal cables or horizontal fiber optic cable connected. The terminal device in the work area is connected to this interface with a patch cord.
26, the introduction of equipment: the communication cable or communication light in accordance with the relevant provisions of the building related equipment.
27. Public network interface: The demarcation point between public and private networks. In most cases, the public network interface is the connection point between the public network equipment and the integrated cabling.
28. Wiring closet, transfer room, and telecommunication room: A dedicated space for placement of distribution frames, application equipment, and comprehensive wiring transfer and management. The trunk subsystem and the horizontal subsystem are switched over here.
29. Equipment room: The space where telecom equipment, application equipment and distribution frames are placed and integrated wiring is transferred and managed.
30. Work area: Place the application system terminal equipment. Integrated wiring is generally referred to as a work area with an area of ​​10M2.
31, transfer point: In the horizontal wiring, different types or specifications of the cable, optical cable connected points (for example: flat cable and round cable or different logarithmic wire connection point).
32. Terminal: A device that can send and receive information over a channel or link. It operates on-line.
33. Information: Characterization and description of the movement of objective things. It is a symbol, a sequence (such as a letter, a number), or a function of the connection time (such as an image) of the motion state of an objective thing.
34. Management points: Various cross-connections, direct connections, or arrangement of information outlets for management channels.
35. Adapters: These devices use different sizes or different types of plugs to match the information; provide rearrangement of leads; allow multiple pairs of cables to be divided into smaller strands; interconnect the cables.
36. Balanced, unbalanced converter: A device that converts electrical signals from flat unbalanced or unbalanced to balanced. Can be used for impedance matching between twisted pair cable and coaxial cable.
37. Bending Radius: The bending radius at which the fiber bends without breaking or causing excessive additional losses.
38. Cableman: A device that slides at the end of the cable. It is connected to a winch or handle and helps to pull the cable when installed.
39, connection block, wiring block: hardware connecting twisted-pair cable, patch cord or patch cord can be used to achieve the link connection.
40, refractive index gradient fiber: optical fiber with an axially decreasing refractive index. The photons are reflected in the core and the light is continuously refocused, allowing the cable to bend inwards and transfer faster than in the low-emission area. This kind of fiber can increase the bandwidth.
41. Wiring tension: When the cable is installed, the size of the relay acting on it is measured by N (Newton).
42. Supporting Hardware: Brackets, clips, cabinets, brackets, tripods, tools, and other stationary transmission media will connect the hardware to the wall or ceiling of the utility.
43. Termination Block: In all types of cable transmission channel configurations, a molded plastic board that terminates the cable pairs and connects the pairs in a 110-type distribution frame.
44, line: transmission medium, generally refers to the link. In the SNA environment is a link to the network.
45. Circuits and lines: Energized paths formed by live conductors; communication links between any two or more points in the application system.
2. Cables: Cables refer to cables, optical cables, and various flexible cables connected to information technology equipment.
3, integrated wiring: integrated wiring is an information transmission channel composed of cables and related connection hardware, it can support a variety of application systems. Integrated wiring does not include various terminal devices and switching devices in the application system.
4, buildings, parks: one or more buildings constitute the area. For example: schools, factories, airports, communities or military bases.
5. Building trunk cables and optical cables: Cables and optical cables connecting building distribution frames and floor distribution frames in buildings. Such cables and optical cables can also be used to directly connect two floor distribution frames in the same building.
6. Architectural trunk cables and optical cables: In buildings , cables and optical cables connecting building distribution frames and building distribution frames are to be connected. Such cables and optical cables can also be used to directly connect building patch panels between different buildings.
7. Horizontal cable and horizontal fiber cable: Connect the cables and optical cables between the floor distribution frame and the information outlet.
8. Equipment cables, optical cables, and cords: cables and optical cable assemblies that connect the terminal equipment of the application system to the distribution frame.
9. Work Area Cables, Optical Cables, and Cords: In the work area, cables and optical cable assemblies that connect terminal equipment to information outlets. Work area cables, work area cables are generally called flexible cables or patch cords.
10, cable unit, cable unit: the same type and type of cable pairs or fiber combination, the cable unit can be equipped with a shielding layer.
11. Unshielded twisted-pair cable, twisted-pair cable: A cable composed of unshielded pairs (abbreviated as unshielded cable). When there is a total shield, it is called an unshielded cable with a total shield.
12, shielded twisted-pair cable, twisted pair cable: a cable composed of shielded pairs (referred to as shielded cable). When there is a total shield, the shielded twisted pair cable is called the total shield.
13, hybrid cable, fiber optic cable: two or more different types or different types of cable, cable unit composed of components, the outside is covered with a total sheath. There can also be a total shield in the sheath. Among them, an integrated cable that is composed of only the cable unit; an integrated optical cable that is only composed of the optical cable unit; and a hybrid cable that is composed of the cable unit assembly and the optical cable unit assembly.
14. Jumper: The cable pair or cable unit without connector is used to transfer various links on the distribution frame.
15, patch cord: soft cable or soft cable with a connector at one end or both ends. Used in the distribution frame to connect various links, patch cord can also be used in the work area.
16. Distribution frame: A transfer device that uses a patch cord to connect the links. It is easy to change or disconnect the link through the distribution panel.
17. Handover: A non-permanent connection using a patch cord or jumper to connect a cable, fiber optic cable, or device.
18. Interconnection: A connection method in which one cable or optical cable is directly connected to another cable or optical cable and equipment without a patch cord or jumper.
19, distribution frame: cable or optical cable termination and connection device. Interconnection or transfer operations can be performed on the distribution frame.
20, building distribution frame: termination of the building trunk cable, optical cable connection device.
21, building distribution frame: termination of the building trunk cable, trunk cable and can connect the building trunk cable, trunk cable connection device.
22, floor distribution frame: horizontal cable, horizontal cable and other wiring subsystems or devices connected to the device.
23. Link: The transmission channel with the specified performance between the two interfaces of the integrated wiring. The link does not include terminal equipment, work area cables, work area cables and equipment cables, and equipment optical cables.
24, channel: connect two application devices for end-to-end information transmission path. A physical channel can be divided into several logical channels. The channel includes device connection cables and work area patch cords for the application system.
25, information outlets, terminal integrated wiring: in the working area of ​​the interface, and horizontal cables or horizontal fiber optic cable connected. The terminal device in the work area is connected to this interface with a patch cord.
26, the introduction of equipment: the communication cable or communication light in accordance with the relevant provisions of the building related equipment.
27. Public network interface: The demarcation point between public and private networks. In most cases, the public network interface is the connection point between the public network equipment and the integrated cabling.
28. Wiring closet, transfer room, and telecommunication room: A dedicated space for placement of distribution frames, application equipment, and comprehensive wiring transfer and management. The trunk subsystem and the horizontal subsystem are switched over here.
29. Equipment room: The space where telecom equipment, application equipment and distribution frames are placed and integrated wiring is transferred and managed.
30. Work area: Place the application system terminal equipment. Integrated wiring is generally referred to as a work area with an area of ​​10M2.
31, transfer point: In the horizontal wiring, different types or specifications of the cable, optical cable connected points (for example: flat cable and round cable or different logarithmic wire connection point).
32. Terminal: A device that can send and receive information over a channel or link. It operates on-line.
33. Information: Characterization and description of the movement of objective things. It is a symbol, a sequence (such as a letter, a number), or a function of the connection time (such as an image) of the motion state of an objective thing.
34. Management points: Various cross-connections, direct connections, or arrangement of information outlets for management channels.
35. Adapters: These devices use different sizes or different types of plugs to match the information; provide rearrangement of leads; allow multiple pairs of cables to be divided into smaller strands; interconnect the cables.
36. Balanced, unbalanced converter: A device that converts electrical signals from flat unbalanced or unbalanced to balanced. Can be used for impedance matching between twisted pair cable and coaxial cable.
37. Bending Radius: The bending radius at which the fiber bends without breaking or causing excessive additional losses.
38. Cableman: A device that slides at the end of the cable. It is connected to a winch or handle and helps to pull the cable when installed.
39, connection block, wiring block: hardware connecting twisted-pair cable, patch cord or patch cord can be used to achieve the link connection.
40, refractive index gradient fiber: optical fiber with an axially decreasing refractive index. The photons are reflected in the core and the light is continuously refocused, allowing the cable to bend inwards and transfer faster than in the low-emission area. This kind of fiber can increase the bandwidth.
41. Wiring tension: When the cable is installed, the size of the relay acting on it is measured by N (Newton).
42. Supporting Hardware: Brackets, clips, cabinets, brackets, tripods, tools, and other stationary transmission media will connect the hardware to the wall or ceiling of the utility.
43. Termination Block: In all types of cable transmission channel configurations, a molded plastic board that terminates the cable pairs and connects the pairs in a 110-type distribution frame.
44, line: transmission medium, generally refers to the link. In the SNA environment is a link to the network.
45. Circuits and lines: Energized paths formed by live conductors; communication links between any two or more points in the application system.
The T-beam and I-beam formwork is composed of side mould and end mould. The bottom mould is made of concrete. The side mould is composed of channel steel transverse rib, panel, I-steel support combination, section processing, side mould position fixed (end mould covers side mould) according to span and horizontal partition position. The end mould is made of steel rib and panel. The end mould, side mould and bottom mould are connected by bolt.
T Beam Formwork,Formwork Traveler,T Type Beam Formwork,T Beam Mould
Anshan Lijian Engineering Group Co. LTD , https://www.lijianformwork.com