Reflective Memory Switch

VMIACC-5595-208 ACC5595 5595 series hub network hub, is the core of reflective memory network data interaction. 1? To? 8? Port can be configured. Pluggable transceivers support single-mode or multi-mode mode. 1x 8? Mouth or? 2 x 4? Mouth. It can be controlled via the serial port to know the status. Introduction vmic5565 Reflective Memory real-time network transmission system is based on a ring or star-shaped, high-speed copy of the shared memory network. Features vmic5565 network enables users to share data among applications on a computer platform in the case of the participation of different operating systems. vmiacc-5595 switch: automatic bypass faulty or inconsistent ?? fiber optic Reflective Memory Reflective Memory network node from the card, routers and fiber optic three parts, in which the selected model is VMIC card company VMIPCI-5565, router model chosen It is VMIACC-5595. The maximum transmission speed fiber optic Reflective Memory Network of 170Mbyte / s, maximum support 256 nodes. Fiber optic Reflective Memory ring and star network has two configurations; the practical application of a combination of the two configurations shown in Figure 1, the network structure is divided into two layers, the top layer of the ring, the bottom was a star, system control scheduling computer and four routers form a top ring network, each computer connected to the router device constitutes the bottom node. The advantage of this hybrid structure comprising: a system clock information sent from the host computer to reach the relatively short time of each node and more consistent system in favor of synchronous operation between devices; second, there are a variety of simulation system simulation configuration mode equipment required for each simulation configuration mode is not the same, and fiber optic Reflective Memory network hybrid structure allows you to skip unused nodes, so device node test configuration with less than some of you do not need to start running. Figure 1 system uses less expensive multimode fiber, the maximum transmission distance between nodes is 300 m, it has met the requirements of the test chamber wiring. However, when using multimode fiber, the top is actually a quasi-ring network ring, the wiring must occupy the top two ports of each router. 2, semi-physical simulation system designed by the host computer and device configuration emulation mode fiber optic Reflective Memory network setting simulation system, is responsible for the release of the system clock, start, suspend or terminate operation of the system, and monitor data exchange fiber Reflective Memory online so as to equip the system operating status of each device. The simulation system is running large data throughput, in addition to the basic hardware factors need to be considered, there are communication protocol and message format to consider the program, and how the software reads the data, which will greatly affect the operation of the entire fiber optic Reflective Memory Network efficiency. ?????? Memory to work as a double-ended, the local host address space to its reflective memory write operation, the address space is a port of the local memory. RFM board automatically that new data from its spread to another port, the port is connected to the fiber optic ring network architecture, working baud rate is 2.1G. Network RFM board next to this new data is received, the local memory will be updated within 400ns of. RFM products online can greatly reduce software development costs, because the need to write, test any application code, without writing the appropriate documentation, but no maintenance assembling information and decoding information, and an analysis of data from input information. Software costs are independent of the cost of the most expensive company can dominate. RFM product without software and the learning curve will greatly save time to market. RFM product network provides many features beyond the standard network. Such as double-ended RFM, high-speed data transmission, and software features like transparent network makes RFM product easy to use, and provide strong and effective solution for multi-computer connections. And those in need of additional software development time, testing, maintenance, documentation, and additional CPU requirement traditional connection methods provide overhead compared, RFM products is extremely cost-effective network provides superior performance choice.