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Network managed switches are more powerful than non-network managed switches. It typically provides simple Network Management protocol (SNMP) for monitoring connection status, STP, other qOs-like advanced performance, and VLAN. These characteristics vary from vendor to vendor and model to model. Nm-type switches are much more expensive than non-NM-TYPE switches, and their configuration takes more time than non-NM-TYPE switches. Plug-in operations are usually performed.

The stack is the connection between the backplanes, making several switches into a whole. A cascade is a connection to a port. Cascades are Shared, stacks are exclusive. Cascades are connected to other switches through one port of the switch, while stacks are connected through the back of the switch. Although both cascades and stacks can expand the number of ports, each switch or switch after cascades is still logically a plurality of devices managed by the network, while the stacked switches or switches are logically a single device managed by the network.

New Year new atmosphere, new course! The third training course of TOP-TEK Training Institute (the training cycle is one year) was successfully held on 09:30, January 12, 2020. Making still further progress, based on the present, laying a solid foundation, looking forward to the future, and striving ahead, TOP-TEK Training College will continue to build on the past, keep pace with the rapid development of the company, contribute to the cultivation of talents, the establishment of a learning organization, give full play to the hematopoietic function of the enterprise, and create an outstanding enterprise training college in the industry!

In August 2020, Huasai Testing Laboratory officially authorized Shenzhen Toptec Software Technology Co., LTD. (hereinafter referred to as "Toptec") as a strategic cooperation laboratory to jointly establish a strategic cooperation partnership. The two sides will carry out comprehensive cooperation in the field of industrial communications, further realize complementary advantages, information sharing, mutual benefit and win-win results, elevate the level and level of coordination of the framework and jointly push forward the communication industry.