Simple freeware application which allows to
control any RS232 device via TCP/IP network (LAN, internet). The application supplies
hardware based Ethernet-to-RS232 converter on remote PC.
The RS232 device is connected to serial COM port of the remote PC and you may
control the device from your local PC.
Typically used in connection with virtual serial RS232 port. This configuration is
also known as serial port redirector.
The Pira CZ Remote COM Port also allows to share one COM port by more
applications.
Free Download
Pira CZ Remote COM Port: piracom.zip
(260 kB, v. 1.4d)
Virtual COM Ports: HW-VSP2.zip
(1.06 MB, v. 2.4), HW-VSP3-single.zip (1.64 MB, v. 3.0)
Application Example - Serial Port Redirector
Description
COM Port - Physical local COM port
where the remotelly controlled device is connected.
Baudrate - Baudrate of the remotelly controlled device.
Tx Buffer Size - COM port TX line buffer size. Set higher value if you
send large amount of data to the COM port or if Buffer Overflow (B/O) error is reported.
Min. Delay - Min. time between characters needed to consider data as
separate packets. If the Av. Length indicates 1, try to set higher value. If the control
application indicates time out problem or the response is slow, try to set lower value.
Max. Length - Max. buffer size for one packet.
Port - Network port on which the application listens to a client.
TDMA - Has effect only if more than one client is connected and
active. Switches the RX line only to the last client TXing data and divides the access
requests from different clients by the time specified.
(None): No control, immediate access for all clients,
all clients receive all RX data.
Strictly 1: Only the first client in the list can access
the COM port, dynamically allocated.
Strictly 1i: The same as previous + waiting clients are
informed about the actual access permission. Suitable for terminal control.
RDS: Automatic value set depending on the content
transferred, reserved for multiple access to PIRA32 RDS encoder.
Log to File
Allows to log selected items into a file specified.
Run - Opens the connection and runs
the communication.
Stop - Stops the communication and closes the connection.
Hide - Hides the application to tray.
Exit - Exits the application. All settings will be saved in Windows
registry.
Info - Displays information file.
IP Address Access Control
Text files named 'piracom.ban' and 'piracom.vip' placed in the application folder can
control access from network. The BAN file contains list of "banned" IP addresses
(no access is possible from these locations). The VIP file has higher priority and
contains list of exceptions from the BAN rules.
Each IP address is located at extra line in the files. Wildcard '*' is supported.
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