2014年11月19日星期三

Switches cut-through (Cut Through)

OEM industrial electric motors
Specifications
1. effiency: IE2 and IE1 
2. 20 years manufacturing experience 
3. 12 months guarantee 

4. low noise and vibtration
Through the Ethernet switch can be understood as the way in single phase motor which the port is crisscrossed circuit matrix between the telephone switchboard. It detected in the input port when a packet, check the package in baotou, for the purpose of the package address, start the internal dynamic lookup table into the corresponding output port, the intersections on the input and output, the packets through the corresponding port, realize the exchange function. ANP gost motor Because do not need to be stored, delay is very small, exchange, very fast, this is its advantage. Its disadvantage is that because the packet content has not been Ethernet switch, so can't check whether the transmission of packets is wrong, Single phase motor does not provide error detection ability. Since there is no cache, will not have different rate of input/output port connected directly, and easy to lost package.

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