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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | RE: Re:RE: "Connection refused" when running Ethernet/RS232 application |
| From: | Mark Rivers <[email protected]> |
| To: | "'???'" <[email protected]> |
| Cc: | tech-talk <[email protected]> |
| Date: | Thu, 13 Dec 2012 15:51:36 +0000 |
|
If telnet to that TCP port does not work then EPICS won’t work. The fact that you can ping just means that the device exists. Are you sure that port 1 is correct? On the devices I have used the first serial port is typically TCP port 2001 or 4001. Mark From:
张德敏 [mailto:[email protected]]
Hi, When I use
“telnet” from my Linux
machine: telnet 192.168.0.21 1 I also get connection refused. But
“ping 192.168.0.21”, it
works well. I can’t find
the “TCP Server Mode”
attribute of the port of the NI Ethernet/RS232 convertor(4 ports) , and the port likely needn’t to be configured.
Then, Is the port number the convertor’s port num or the
device port in the machine? how should I set the port number in drvAsynIPPortConfigure?
|