Composition and development of public address systems in intelligent buildings

After years of rapid development, public broadcasting products have matured in terms of product technology, functions and applications. Public broadcasting, as a tool for disseminating information, has experienced decades of development, along with science and technology. Development - from tubes to transistors, from transistors to integrated circuits, from phonographs to CDs, from CDs to DVDs, after many revolutions, basically with constant voltage amplifier circuits plus terminal speakers (or tweeters), single-channel audio signal transmission There are still some shortcomings in the practical application. In recent years, with the acceleration of the pace of information construction in institutions, enterprises, organizations, schools, hospitals, etc., a number of high-tech broadcast products such as the Internet and multimedia have been applied to various enterprises, and the application methods have taken great steps. change. Since the beginning of the new century, closed-circuit surveillance TV, broadband networks, computer multimedia, and the Internet have been widely used by various groups, and gradually entered classrooms, teaching and research rooms, laboratories, offices, institutions, hospitals, enterprises and other places. Make the developing public address system more perfect.

The public broadcasting system in intelligent buildings is an important part of intelligent building in the 21st century. Due to the increasing demand for living and working environment, and the continuous advancement of information technology that affects intelligent building, this Everything is the main driving force behind the continuous development of intelligent building. At present, the rapid development of computer technology, network communication technology and microelectronic technology provides a strong technical foundation for people to meet these needs.

Broadcast intercom system in intelligent buildings


"Broadcast Intercom System in Intelligent Buildings" is a modern "Intelligent Broadcast Intercom System" that integrates microcomputer technology, video surveillance technology and digital communication technology. The "smart broadcast intercom system" is generally composed of a broadcast intercom system control host, a residential unit number door sub-host, and a per-home residential extension. A set of "smart broadcast video intercom system" is installed at the door of each residential unit number. Thereby, the two-way broadcast intercom between the property management center and each household house, the two-way broadcast intercom with the residential unit number sub-host and each household household are realized.
Each household can call the property management center urgently.


First, the residential unit number intelligent broadcast video intercom extension - each household installed "smart broadcast video intercom system" set. When a visitor presses the button corresponding to the interviewee on the “home unit door sub-host”, the visited customer extension rings, and the appearance image of the visitor is simultaneously displayed on the “display” screen installed in each household. After the residential household has determined the identity of the visitor, the telephone can be immediately called to the visitor. When the visitor is allowed to come in, press the unlock button on the extension to open the "residential unit door lock" remotely. After the visitor enters the gate, the security door automatically closes the door with the door closer. If the residential household encounters a special unexpected emergency, you can operate the emergency call button on the extension to call the “Intelligent Broadcast Intercom System Management Center” for help.


Second, the residential unit number door sub-host - residential unit number door sub-host system is equipped with a camera, ingesting the image outside the door of the residential unit number or the face of the visiting person, the visiting person can be in the residential area "broadcast intercom system control host" Direct dialing call "Residential unit number doorway sub-host", after connecting, intercommunication with the owner in the house. Residents who want to enter the unit can use the key to unlock, or use the password to unlock the lock, which is perfect for one lock and one code, and the household can change their unlock password at any time according to their needs.


Third, the property management center host - property management center is equipped with a management center host, and is equipped with a "monitor", can monitor the work of each "residential unit number door sub-host", "property management center host" can intervene The call of the "home unit number door is divided into hosts", and displays the residential house number of the call, receives the alarm signal from the "sub-host", and prints and records the video.

Component and device configuration of the broadcast intercom system


The smart residential and community network features of the "broadcast intercom system in intelligent buildings" are: computers in smart homes, residential areas, and homes do not need internal communication. It must be noted that this is not the same as a normal LAN, so a universal Ethernet switch is not universal for smart homes and communities.


Each user of a "broadcast intercom system in a smart building" smart home must have a separate VLAN port, and ports between the internal and internal residential users of the cell are not allowed to be exchanged.


All devices in the network—routers, Ethernet switches, and current collectors—must be integrated, secure, and easy to install and maintain. And strictly follow the IEEE802.3 Ethernet international standards and protocols.


"Broadcast intercom system in intelligent buildings" In order to meet the needs of broadband services - distance education, VOD, video conferencing, stock market release and other applications, smart homes, residential Ethernet must support multicast technology - Multicast. Because it is broadcast, it cannot be forwarded to other network segments through the router. It also requires that it can send data in a "one-to-many" or "many-to-many" manner at the same time, which can greatly save the bandwidth of the network.


In order to adapt to China's national conditions and meet the specific requirements of smart residential and residential Ethernet, the application Ethernet must have the following characteristics:


1. The uplink port is a 1000M full-duplex Ethernet port with a transmission distance of up to 15 km. The single-mode fiber is used to access the edge router.


Second, there are the following ports available for the BAN Ethernet switch of the building:


(A)—100Base-T electrical port with a transmission distance of 100 meters


(B) - 100Base-TX single mode port with a transmission distance of 15 kilometers


(C)—Multimode full-duplex Ethernet port with a transmission distance of 2 km


Third, support port-based VLAN, each 100-meter 100Base-TX port supports 24 different VLANs, each cell ZAN Ethernet switch can support at least 1024 different VLANs.


Fourth, support multicast technology - Multicast, with 1GMP v1 and 1GMP v2 packet capture capabilities. If the BAN Ethernet switch is used, it can be easily hung on the corridor entrance because it uses a wall-mounted chassis. It has the following features:


(A)—The uplink port is a 100M Ethernet interface and accesses the cell ZAN Ethernet switch.


(B)—The port to the user is a 10Base-T full-duplex Ethernet electrical port.


(C)—Support for VLANs allows one or more 10Ms to be divided into one VLAN. Communication between each VLAN is not allowed, and ports of the same VLAN can communicate with each other. It also controls the number of host accesses allowed per VLAN.


(D)—Supports multicast technology—Multicast with the capture capability of 1GMP v1 and 1GMP v2 packets.


In addition, the system is designed to produce a USB adapter - 10/100Mbps, which is small and exquisite, has a USB-A port, an RJ-11 telephone port, and an RJ-45 port. It's easy to turn your home phone line into a simple, scalable network. The system also provides a complete set of network management software (including property management software). A city only needs to install a set of network management software to realize centralized configuration, centralized billing, centralized management and other functions of the entire network equipment.

Afterword


"Residential Area Public Address System" - consists of walkie-talkies, controllers, displays, converters, audio amplifiers, power modules, distribution cables and many other component systems. At present, the product development of the "Residential Area Public Broadcasting System" is mainly reflected in the following aspects:


(A) Visible “Public Broadcasting System in Residential Areas” has become the mainstream of the market;


(B) Visual display of the "Residential Area Public Address System" - has evolved from black and white to color;


(C) The display of the "Residential Area Public Address System" is also developed from the ordinary CRT image tube to the TFT-LED liquid crystal display, and the screen also enters the large screen.


The vigorous development of the economy and the frequent visits and movements of the people have made the public order of the society more complicated. How to ensure the convenience and safety of the residents of residential units, and improve the function of the "Public Broadcasting System in Residential Areas" to meet the needs of residents of residential units, making the "Public Broadcasting System in Residential Areas" more perfect, which has become common among people inside and outside the industry. A topic of concern. The "Residential Area Public Address System" can also be widely used in many windows of the service performance industry - securities, post and telecommunications bureaus, railway stations, payment desks, insurance companies, industry and commerce, ticket offices, hospitals and other places. Let us work together to create an environment that will make human life better.

After years of rapid development, public broadcasting products have matured in terms of product technology, functions and applications. Public broadcasting, as a tool for disseminating information, has experienced decades of development, along with science and technology. Development - from tubes to transistors, from transistors to integrated circuits, from phonographs to CDs, from CDs to DVDs, after many revolutions, basically with constant voltage amplifier circuits plus terminal speakers (or tweeters), single-channel audio signal transmission There are still some shortcomings in the practical application. In recent years, with the acceleration of the pace of information construction in institutions, enterprises, organizations, schools, hospitals, etc., a number of high-tech broadcast products such as the Internet and multimedia have been applied to various enterprises, and the application methods have taken great steps. change. Since the beginning of the new century, closed-circuit surveillance TV, broadband networks, computer multimedia, and the Internet have been widely used by various groups, and gradually entered classrooms, teaching and research rooms, laboratories, offices, institutions, hospitals, enterprises and other places. Make the developing public address system more perfect.

The public broadcasting system in intelligent buildings is an important part of intelligent building in the 21st century. Due to the increasing demand for living and working environment, and the continuous advancement of information technology that affects intelligent building, this Everything is the main driving force behind the continuous development of intelligent building. At present, the rapid development of computer technology, network communication technology and microelectronic technology provides a strong technical foundation for people to meet these needs.

Broadcast intercom system in intelligent buildings


"Broadcast Intercom System in Intelligent Buildings" is a modern "Intelligent Broadcast Intercom System" that integrates microcomputer technology, video surveillance technology and digital communication technology. The "smart broadcast intercom system" is generally composed of a broadcast intercom system control host, a residential unit number door sub-host, and a per-home residential extension. A set of "smart broadcast video intercom system" is installed at the door of each residential unit number. Thereby, the two-way broadcast intercom between the property management center and each household house, the two-way broadcast intercom with the residential unit number sub-host and each household household are realized.
Each household can call the property management center urgently.


First, the residential unit number intelligent broadcast video intercom extension - each household installed "smart broadcast video intercom system" set. When a visitor presses the button corresponding to the interviewee on the “home unit door sub-host”, the visited customer extension rings, and the appearance image of the visitor is simultaneously displayed on the “display” screen installed in each household. After the residential household has determined the identity of the visitor, the telephone can be immediately called to the visitor. When the visitor is allowed to come in, press the unlock button on the extension to open the "residential unit door lock" remotely. After the visitor enters the gate, the security door automatically closes the door with the door closer. If the residential household encounters a special unexpected emergency, you can operate the emergency call button on the extension to call the “Intelligent Broadcast Intercom System Management Center” for help.


Second, the residential unit number door sub-host - residential unit number door sub-host system is equipped with a camera, ingesting the image outside the door of the residential unit number or the face of the visiting person, the visiting person can be in the residential area "broadcast intercom system control host" Direct dialing call "Residential unit number doorway sub-host", after connecting, intercommunication with the owner in the house. Residents who want to enter the unit can use the key to unlock, or use the password to unlock the lock, which is perfect for one lock and one code, and the household can change their unlock password at any time according to their needs.


Third, the property management center host - property management center is equipped with a management center host, and is equipped with a "monitor", can monitor the work of each "residential unit number door sub-host", "property management center host" can intervene The call of the "home unit number door is divided into hosts", and displays the residential house number of the call, receives the alarm signal from the "sub-host", and prints and records the video.

Component and device configuration of the broadcast intercom system


The smart residential and community network features of the "broadcast intercom system in intelligent buildings" are: computers in smart homes, residential areas, and homes do not need internal communication. It must be noted that this is not the same as a normal LAN, so a universal Ethernet switch is not universal for smart homes and communities.


Each user of a "broadcast intercom system in a smart building" smart home must have a separate VLAN port, and ports between the internal and internal residential users of the cell are not allowed to be exchanged.


All devices in the network—routers, Ethernet switches, and current collectors—must be integrated, secure, and easy to install and maintain. And strictly follow the IEEE802.3 Ethernet international standards and protocols.


"Broadcast intercom system in intelligent buildings" In order to meet the needs of broadband services - distance education, VOD, video conferencing, stock market release and other applications, smart homes, residential Ethernet must support multicast technology - Multicast. Because it is broadcast, it cannot be forwarded to other network segments through the router. It also requires that it can send data in a "one-to-many" or "many-to-many" manner at the same time, which can greatly save the bandwidth of the network.


In order to adapt to China's national conditions and meet the specific requirements of smart residential and residential Ethernet, the application Ethernet must have the following characteristics:


1. The uplink port is a 1000M full-duplex Ethernet port with a transmission distance of up to 15 km. The single-mode fiber is used to access the edge router.


Second, there are the following ports available for the BAN Ethernet switch of the building:


(A)—100Base-T electrical port with a transmission distance of 100 meters


(B) - 100Base-TX single mode port with a transmission distance of 15 kilometers


(C)—Multimode full-duplex Ethernet port with a transmission distance of 2 km


Third, support port-based VLAN, each 100-meter 100Base-TX port supports 24 different VLANs, each cell ZAN Ethernet switch can support at least 1024 different VLANs.


Fourth, support multicast technology - Multicast, with 1GMP v1 and 1GMP v2 packet capture capabilities. If the BAN Ethernet switch is used, it can be easily hung on the corridor entrance because it uses a wall-mounted chassis. It has the following features:


(A)—The uplink port is a 100M Ethernet interface and accesses the cell ZAN Ethernet switch.


(B)—The port to the user is a 10Base-T full-duplex Ethernet electrical port.


(C)—Support for VLANs allows one or more 10Ms to be divided into one VLAN. Communication between each VLAN is not allowed, and ports of the same VLAN can communicate with each other. It also controls the number of host accesses allowed per VLAN.


(D)—Supports multicast technology—Multicast with the capture capability of 1GMP v1 and 1GMP v2 packets.


In addition, the system is designed to produce a USB adapter - 10/100Mbps, which is small and exquisite, has a USB-A port, an RJ-11 telephone port, and an RJ-45 port. It's easy to turn your home phone line into a simple, scalable network. The system also provides a complete set of network management software (including property management software). A city only needs to install a set of network management software to realize centralized configuration, centralized billing, centralized management and other functions of the entire network equipment.

Afterword


"Residential Area Public Address System" - consists of walkie-talkies, controllers, displays, converters, audio amplifiers, power modules, distribution cables and many other component systems. At present, the product development of the "Residential Area Public Broadcasting System" is mainly reflected in the following aspects:


(A) Visible “Public Broadcasting System in Residential Areas” has become the mainstream of the market;


(B) Visual display of the "Residential Area Public Address System" - has evolved from black and white to color;


(C) The display of the "Residential Area Public Address System" is also developed from the ordinary CRT image tube to the TFT-LED liquid crystal display, and the screen also enters the large screen.


The vigorous development of the economy and the frequent visits and movements of the people have made the public order of the society more complicated. How to ensure the convenience and safety of the residents of residential units, and improve the function of the "Public Broadcasting System in Residential Areas" to meet the needs of residents of residential units, making the "Public Broadcasting System in Residential Areas" more perfect, which has become common among people inside and outside the industry. A topic of concern. The "Residential Area Public Address System" can also be widely used in many windows of the service performance industry - securities, post and telecommunications bureaus, railway stations, payment desks, insurance companies, industry and commerce, ticket offices, hospitals and other places. Let us work together to create an environment that will make human life better.

After years of rapid development, public broadcasting products have matured in terms of product technology, functions and applications. Public broadcasting, as a tool for disseminating information, has experienced decades of development, along with science and technology. Development - from tubes to transistors, from transistors to integrated circuits, from phonographs to CDs, from CDs to DVDs, after many revolutions, basically with constant voltage amplifier circuits plus terminal speakers (or tweeters), single-channel audio signal transmission There are still some shortcomings in the practical application. In recent years, with the acceleration of the pace of information construction in institutions, enterprises, organizations, schools, hospitals, etc., a number of high-tech broadcast products such as the Internet and multimedia have been applied to various enterprises, and the application methods have taken great steps. change. Since the beginning of the new century, closed-circuit surveillance TV, broadband networks, computer multimedia, and the Internet have been widely used by various groups, and gradually entered classrooms, teaching and research rooms, laboratories, offices, institutions, hospitals, enterprises and other places. Make the developing public address system more perfect.

The public broadcasting system in intelligent buildings is an important part of intelligent building in the 21st century. Due to the increasing demand for living and working environment, and the continuous advancement of information technology that affects intelligent building, this Everything is the main driving force behind the continuous development of intelligent building. At present, the rapid development of computer technology, network communication technology and microelectronic technology provides a strong technical foundation for people to meet these needs.

Broadcast intercom system in intelligent buildings


"Broadcast Intercom System in Intelligent Buildings" is a modern "Intelligent Broadcast Intercom System" that integrates microcomputer technology, video surveillance technology and digital communication technology. The "smart broadcast intercom system" is generally composed of a broadcast intercom system control host, a residential unit number door sub-host, and a per-home residential extension. A set of "smart broadcast video intercom system" is installed at the door of each residential unit number. Thereby, the two-way broadcast intercom between the property management center and each household house, the two-way broadcast intercom with the residential unit number sub-host and each household household are realized.
Each household can call the property management center urgently.


First, the residential unit number intelligent broadcast video intercom extension - each household installed "smart broadcast video intercom system" set. When a visitor presses the button corresponding to the interviewee on the “home unit door sub-host”, the visited customer extension rings, and the appearance image of the visitor is simultaneously displayed on the “display” screen installed in each household. After the residential household has determined the identity of the visitor, the telephone can be immediately called to the visitor. When the visitor is allowed to come in, press the unlock button on the extension to open the "residential unit door lock" remotely. After the visitor enters the gate, the security door automatically closes the door with the door closer. If the residential household encounters a special unexpected emergency, you can operate the emergency call button on the extension to call the “Intelligent Broadcast Intercom System Management Center” for help.


Second, the residential unit number door sub-host - residential unit number door sub-host system is equipped with a camera, ingesting the image outside the door of the residential unit number or the face of the visiting person, the visiting person can be in the residential area "broadcast intercom system control host" Direct dialing call "Residential unit number doorway sub-host", after connecting, intercommunication with the owner in the house. Residents who want to enter the unit can use the key to unlock, or use the password to unlock the lock, which is perfect for one lock and one code, and the household can change their unlock password at any time according to their needs.


Third, the property management center host - property management center is equipped with a management center host, and is equipped with a "monitor", can monitor the work of each "residential unit number door sub-host", "property management center host" can intervene The call of the "home unit number door is divided into hosts", and displays the residential house number of the call, receives the alarm signal from the "sub-host", and prints and records the video.

Component and device configuration of the broadcast intercom system


The smart residential and community network features of the "broadcast intercom system in intelligent buildings" are: computers in smart homes, residential areas, and homes do not need internal communication. It must be noted that this is not the same as a normal LAN, so a universal Ethernet switch is not universal for smart homes and communities.


Each user of a "broadcast intercom system in a smart building" smart home must have a separate VLAN port, and ports between the internal and internal residential users of the cell are not allowed to be exchanged.


All devices in the network—routers, Ethernet switches, and current collectors—must be integrated, secure, and easy to install and maintain. And strictly follow the IEEE802.3 Ethernet international standards and protocols.


"Broadcast intercom system in intelligent buildings" In order to meet the needs of broadband services - distance education, VOD, video conferencing, stock market release and other applications, smart homes, residential Ethernet must support multicast technology - Multicast. Because it is broadcast, it cannot be forwarded to other network segments through the router. It also requires that it can send data in a "one-to-many" or "many-to-many" manner at the same time, which can greatly save the bandwidth of the network.


In order to adapt to China's national conditions and meet the specific requirements of smart residential and residential Ethernet, the application Ethernet must have the following characteristics:


1. The uplink port is a 1000M full-duplex Ethernet port with a transmission distance of up to 15 km. The single-mode fiber is used to access the edge router.


Second, there are the following ports available for the BAN Ethernet switch of the building:


(A)—100Base-T electrical port with a transmission distance of 100 meters


(B) - 100Base-TX single mode port with a transmission distance of 15 kilometers


(C)—Multimode full-duplex Ethernet port with a transmission distance of 2 km


Third, support port-based VLAN, each 100-meter 100Base-TX port supports 24 different VLANs, each cell ZAN Ethernet switch can support at least 1024 different VLANs.


Fourth, support multicast technology - Multicast, with 1GMP v1 and 1GMP v2 packet capture capabilities. If the BAN Ethernet switch is used, it can be easily hung on the corridor entrance because it uses a wall-mounted chassis. It has the following features:


(A)—The uplink port is a 100M Ethernet interface and accesses the cell ZAN Ethernet switch.


(B)—The port to the user is a 10Base-T full-duplex Ethernet electrical port.


(C)—Support for VLANs allows one or more 10Ms to be divided into one VLAN. Communication between each VLAN is not allowed, and ports of the same VLAN can communicate with each other. It also controls the number of host accesses allowed per VLAN.


(D)—Supports multicast technology—Multicast with the capture capability of 1GMP v1 and 1GMP v2 packets.


In addition, the system is designed to produce a USB adapter - 10/100Mbps, which is small and exquisite, has a USB-A port, an RJ-11 telephone port, and an RJ-45 port. It's easy to turn your home phone line into a simple, scalable network. The system also provides a complete set of network management software (including property management software). A city only needs to install a set of network management software to realize centralized configuration, centralized billing, centralized management and other functions of the entire network equipment.

Afterword


"Residential Area Public Address System" - consists of walkie-talkies, controllers, displays, converters, audio amplifiers, power modules, distribution cables and many other component systems. At present, the product development of the "Residential Area Public Broadcasting System" is mainly reflected in the following aspects:


(A) Visible “Public Broadcasting System in Residential Areas” has become the mainstream of the market;


(B) Visual display of the "Residential Area Public Address System" - has evolved from black and white to color;


(C) The display of the "Residential Area Public Address System" is also developed from the ordinary CRT image tube to the TFT-LED liquid crystal display, and the screen also enters the large screen.


The vigorous development of the economy and the frequent visits and movements of the people have made the public order of the society more complicated. How to ensure the convenience and safety of the residents of residential units, and improve the function of the "Public Broadcasting System in Residential Areas" to meet the needs of residents of residential units, making the "Public Broadcasting System in Residential Areas" more perfect, which has become common among people inside and outside the industry. A topic of concern. The "Residential Area Public Address System" can also be widely used in many windows of the service performance industry - securities, post and telecommunications bureaus, railway stations, payment desks, insurance companies, industry and commerce, ticket offices, hospitals and other places. Let us work together to create an environment that will make human life better.


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