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Posts by Ashish Singh
Can Com-Servers be used to connect two Ethernet-LANS together over telephone cable?
Yes! Using Com-Servers in pairs operating as SLIP routers, you can enable this application. Further information and more...
How can a serial end device be made accessible via the Internet using Com-Servers?
As regards the hardware, the Com-Server first makes the connected serial end device available in the local Ethernet LAN....
How can a non-modifiable serial program talk to serial devices in the network?
The COM Port Redirector available for all common Windows systems allows you to create virtual COM ports on a computer. T...
To what extent is the network additionally loaded by a serial connection make through a Com-Server?
To ensure that the network is not overloaded by an excessive packet rate, the Com-Server is equipped with the "network d...
Which are the delays that must be taken into account in connection with serial protocols?
Many serial protocols (e.g. 3964R) work such that the sent data blocks are acknowledged by the respective receiver, such...
How would you tunnel the connection between two serial devices through the network?
By using two Com-Servers in Box-to-Box mode. The only prerequisite for this mode is a TCP/IP connection (e.g. also over ...
How does the Web-IO obtain the valid subnet mask and gateway address?
In order to be able to communicate beyond the local network, in addition to the IP address, the Web-IO also requires the...
How do you assign a new IP address to a Web-IO already having an unknown address?
The simplest and invariably effective method is to assign a new IP address via the serial port A with the aid of a termi...
How many IP addresses does a Web-IO with additional serial Com-Server functionality require?
Only one! Whether the IOs or the serial interface are to be addressed is determined via the TCP port or the protocol (HT...
Why can’t I assign an IP address using a static entry in the ARP cache?
This method can only be used if the Web-IO does not currently have an IP address (see also How do you assign a new IP ad...