Advantech’s EKI-1351 and EKI-1352 wireless serial device servers are WLAN enabled devices that combine one or two RS232/422/485 ports with support for 802.11b and 802.11g protocols. Each COM port features high-speed throughput up to 1,2 Mbps with 921 Kbaud technology, fulfilling high data transmission needs. The serial device servers have built-in dual-power inputs (12 to 48 V d.c.) with one power fail relay to detect operational status.
The devices’ TCP server/client and UDP mode allow simultaneous connection with up to five hosts through the RS232/422/485 serial ports for advanced data transmission and communication, such as broadcast and polling operations. In broadcast mode, the device servers handle a command from one application and reply to the data from the serial port to all applications connected to this serial port. In polling mode, they handle the commands from one application and reply to this application only; queries from other applications are queued until the current process is completed.
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