(In the overall scheme construction, a scheme combination including DWL-900AP wireless access node/point, DWL-650 , DWL-120 , DCF-660W and other key products was adopted, and DES-1024R with redundancy function was used. The Ethernet switch assembles the wireless ordering network, and interconnects the ordering server and the print server through the switch, and realizes the wireless information management of the entire ordering process.)
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