Security solution: based on Gigabit industrial Ethernet communication

With the continuous improvement of social and economic levels and the change of people's work and leisure concepts, the number of Chinese people traveling on vacation has exploded. In order to meet the growth of the domestic tourist population, domestic resort hotels have witnessed a large-scale construction climax. Due to the large number of people entering and leaving the hotel and the large amount of cash and valuables carried by the occupants, the people entering and leaving the hotel are mixed, so the security precautions within the hotel are particularly important. The hotel security monitoring system has become the core content of hotel security management. The security video monitoring system is used to monitor public places to prevent crime and provide clues for case detection. Access control system control personnel can effectively prevent intruders from entering.

System Overview: With the continuous popularization of Ethernet in China's social and economic life, the hotel management system has basically formed a networked information management. The same video surveillance system has also experienced three stages: analog video surveillance, analog digital video surveillance, and digital video surveillance. The communication line of the access control management system has also experienced RS-485 bus communication and TCP / IP network communication. Now the hotel security monitoring system has basically realized network management, all the equipment of the entire system are based on Ethernet for data exchange, and the corresponding hotel management system has achieved network management, which makes the bandwidth of the LAN and the LAN Coverage puts forward higher requirements.

Security solution: based on Gigabit industrial Ethernet communication

solution:

The construction and wiring of a newly built hotel constructs a LAN, and the hotel proposes that the hotel should be based on Ethernet for global management, that is, the monitoring center can comprehensively monitor and manage the hotel management system through the LAN, and the hotel's monitoring management system can be integrated with the hotel's office system. Able to connect seamlessly. Mainly include: the hotel room access management system should be based on Ethernet for data communication, the hotel room must have an Ethernet interface and WIFI comprehensive coverage, and all hotel video surveillance systems must be managed based on Ethernet, including underground parking and The video surveillance image monitoring center of the hotel's auxiliary facilities can be accessed through the local area network.

In response to the requirements put forward by the hotel, the construction party found that there are several problems that need to be solved: 1. Because the surveillance video signal needs to be transmitted through the local area network, the hotel rooms are equipped with Ethernet data information interfaces, and there is a movie library inside the hotel local area for guests to order. The data traffic of the LAN is large, and the 100M bandwidth using Fast Ethernet may not be sufficient, especially considering that a certain amount of bandwidth redundancy is required for the future. 2. Video surveillance points are not only placed in public places such as hotel corridors, elevators, etc., but also extend to the hotel's auxiliary facilities, such as swimming pools, parking lots and other public places. The above-mentioned auxiliary places are generally not covered by the local area network. To cover these remote locations, it is necessary to use optical fibers for wiring. 3. The daily management staff of the hotel will not be particularly familiar with the network management, and can not use complicated network management switches, and the real-time and reliability requirements of the hotel LAN for the network will not be too high, occasionally appearing for a few minutes or more than ten minutes Network interruption is acceptable.

Based on the above-mentioned problems, the construction party found the need to build Gigabit Ethernet and use fiber to connect the remote Ethernet equipment. From the perspective of cost savings and simple maintenance later, it is necessary to use a fool-type unmanaged industrial Ethernet switch. Finally decided to use the NIES-2010-2GS-4F Gigabit Fiber Switch (non-managed type, supporting two Gigabit SFP fiber interfaces and four 100M fiber interfaces) of Shenzhen Guoke Weiye Communication Technology Co., Ltd., NIES-5028M Modular industrial Ethernet switch (network management type, supports three groups of eight-port modules and four gigabit SFP fiber interfaces), NIES-215-1F type unmanaged industrial network switch (non-network management type, supports a 100M fiber interface and Four Ethernet interfaces) and NIES-1026L-2F rack-mounted industrial switches (supporting two 100M fiber interfaces and twenty-four Ethernet interfaces) four types of switches.

Using NIES-5028M as the core switch placed in the hotel system management center, three sets of modular interfaces out of two sets of eight electrical ports, a group of eight optical ports, even if it has 16-channel Ethernet interface and eight-channel 100M fiber optic interface, 16-channel Ethernet The network interface is connected to the server of the management center. The eight-way fiber interface is vacant and redundant. Its backplane bandwidth reaches 12.8G, which is enough to cope with the large data traffic within the hotel. Three NIES-2010-2GS-4F models are used as aggregation switches to connect with the Gigabit fiber interface of NIES-5028M. NIES-2010-2GS-4F has two Gigabit fiber interfaces, using only one interface, leaving one interface redundant spare. NIES-1026L and NIES-215-1F are used as access switches to connect with three (with a spare) 100M fiber interface of NIES-2010-2GS-4F. Hotel rooms have more Ethernet terminals (each room) The Ethernet communication interface of the access controller and the network interface of the laptop reserved for the guests and other Ethernet terminals are required. Therefore, NIES-1026L with a large number of ports is used for access. The Ethernet interface of the local high-definition network camera is connected, so the NIES-215-1F with a small number of ports is used for access.

The hotel LAN adopts industrial Ethernet switch + optical fiber to lay the network, which makes the entire LAN cover a wide range and has a large communication capacity. The industrial Ethernet switch also supports redundant dual power input. Once a power supply fails, the redundant power supply is immediately activated to ensure communication No interruption. Adopt a fool-style unmanaged switch, you only need to connect the relevant lines, no complicated configuration is required, and it is convenient for hotel management personnel to maintain it later. Its own port is disconnected and the link is interrupted and the alarm function is provided. It can output sound and light alarm through the relay to remind the management personnel to maintain, and in the construction process, generally have the relevant redundant port, once there is a problem with the port, directly connect the line of the failed port to the redundant port, which is convenient for maintenance Fast.

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