Advantech EDG-4508R+ Manual de usuario descargar pdf (Pagina 47)

41 Chapter 3

3.6.1 Virtual COM mode

The EDG device is advanced Ethernet data gateway units. It extends tra-

ditional COM ports of a PC to Ethernet access. Through Ethernet net-

working, users can control and monitor remote serial devices and

equipment over LAN or WAN. EDG series come with a Virtual COM

driver that transmits all serial signals intact. This means that your existing

COM-based software can be preserved, without modifying to fulfil the

needs. The Virtual COM mode allows user to continue using RS-232/422/

485 serial communications software that was written for pure serial com-

munication applications.

EDG series comes equipped with COM driver that work with Window

NT/2000/XP systems. The driver establishes a transparent connection

between host and serial device by mapping the IP of EDG serial port to a

local COM port on the host computer.

Host Idle Timeout

The utility allows the user to set the host idle timeout value. When the

idle happens and continues more than the set value, the utility will cut off

the connection between EDG-4508/16 and the host automatically. User

must re-connect to recover the communication. You might input value 0

to disable the Host Idle timeout option.

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Advantech EDG-4508R+ Manual de usuario Pagina 47