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PortStore2 - Serial Buffer to Ethernet
PortStore2 is serial RS-232 data storage buffer or data logger and Ethernet converter with TCP/IP and UDP/IP ability. It is provided with 2MB of a flash memory for data storage from the serial port for the case of the inaccessibility of the TCP connection. PortStore2 support TCP Server or TCP Client/Server mode. Software for retrieving data from buffer available. Built-in Virtual Serial Port support.
Description
Includes PortStore2, PSU, Cable, Manual and CD User Manual >>	Single port Ethernet to RS232 converter Incoming serial port data is stored to a 2MB flash memory buffer. When a TCP connection is established the data is sent as a “RAW TCP stream” data flow. The flash memory, where the data are stored, is protected against power failure. Local configuration over RS-232 or remote configuration over TCP Terminal is possible. Works in TCP Client or TCP Client/Server mode. PortStore2 can be used for storing RS-232 incoming data and their retrieving via Ethernet The remote port can be controlled by Virtual driver for Windows such as COM 5 Two devices can be connected to each other to create "RS-232 over Ethernet" connection. Programming libraries for MS Visual Basic, Delphi, Borland C++, JAVA, PHP and other available to the device.  “PS Eye” software also supplied for regular buffer reading. It can work as a “NT service” under Windows NT/2000/XP. Available as an executable file or as source code (Borland C++).
The PortStore is a single port Serial to Ethernet converter that can network-enable your serial devices, such as weigh scales, PLCs, Data acquisition systems, point of sale, bar code scanners, access control systems, gas meters, printers - anything! In addition, the PortStore has 2Mb of internal memory that can store your RS232 data when the LAN is not available. Connect it to your network via a standard RJ45 connector, set-up its' IP address and TCP port number and you are away. With the supplied Virtual Com port software you can simply communicate with your serial device as if it were connected to the back of your PC. Programmers can communicate directly with the PortStore2 using standard TCP/IP protocols.
System topology TCP/IP Client -> Server PortStore2 waits as a TCP server until any side (PC or server) opens a TCP connection. When the connection is established, the internal buffered data are sent and then the device allows communication as a standard "terminal server". TCP/IP Server <- Client PortStore2 received serial port data into its internal buffer and tries to send them to the server. It will try to open a connection to the preset IP address and port. If the attempt is unsuccessful, it waits for a second in the TCP Server mode and then tries to open the connection again. UDP/IP The data are transferred in UDP packets, with no delivery notification. VSP (Virtual Serial Port) You have supplied software which creates a virtual COM port under Windows OS, so that the device acts as if it was connected directly to your PC, though it is a virtual remote port. If the buffer is enabled and the TCP connection is not available, the data is stored into the internal buffer memory. For the full function it’s advantageous to enable NVT (Network Virtual Terminal), so the port is RFC2217 compatible.
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