Annette helps Harbin Normal University
Network construction
The network core switching equipment adopts Annet SwitchBla de 4008 carrier-class multi-layer backbone switch. SwitchBlade 4008 uses a 1000M multimode fiber interface, and connects to the access switches in the wiring cabinets at all levels through the library's multimode fiber wiring system. SwitchBlade 4008 can use 1000M twisted pair interface or multimode fiber interface to connect to the library's application server group, providing a variety of digital applications. Because the core switch and the server are in the central computer room, the 1000Base-T (twisted pair) interface is used to reduce costs. SwitchBlade 4008 provides hardware-based layer 2 to layer 4 switching capabilities on all ports. Its 128Gbps full line rate throughput and 96Mpps non-blocking multi-layer forwarding capabilities are ideal for server group access switching.
The library access switch uses Annette's AT-8350GB stackable layer 2 switch, and connects to the core switch through the multimode fiber GBIC module. The access switch is connected to the core switch through the multimode fiber of the central computer room to each distribution cabinet. Considering the future network applications of the library such as online browsing and video on demand, some wiring rooms are limited to stack. The stacked switch group is connected to the core switch through a Gigabit link.
Network management system
Annet provides the AT-View Plus network management system for Harbin Normal University. Using AT-View Plus, school teachers can view the detailed information of all network management devices of Annet through the Windows graphical interface. The ports marked with different colors can display the current status and configuration information of the module. Click the port to make statistics or change the port Its configuration.
AT-View Plus developed based on Java can also run on different operating system platforms such as UNIX and Linux. AT-View Plus can run independently or on a general network management platform such as SNMPc or HP OpenView when the network scale is expanded in the future.
A wooden crate has a self-supporting structure, with or without sheathing. For a wooden container to be a crate, all six of its sides must be put in place to result in the rated strength of the container. Crates are distinct from wooden boxes. The strength of a Wooden Box is rated based on the weight it can carry before the top (top, ends, and sides) is installed, whereas the strength of a crate is rated with the top in place. In general conversation, the term crate is sometimes used to denote a wooden box.
Although the definition of a wooden crate, as compared to a wooden box, is clear, construction of the two often results in a container that is not clearly a crate or a box. Both wooden crates and wooden boxes are constructed to contain unique items, the design of either a crate or box may use principles from both. In this case, the container will typically be defined by how the edges and corners of the container are constructed. If the sheathing (either plywood or lumber) can be removed, and a framed structure will remain standing, the container would likely be termed a crate. If removal of the sheathing results in no way of fastening the lumber around the edges of the container, the container would likely be termed a wooden box.
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