CSW-H85K User Manual Ver. 2.4
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Checking the TCP status
Basically, TCP is a protocol connected one to one. Because of this, if a device is TCP
on-line state, other requests are denied. If you are in this situation, check the network
status by connecting on TELNET or using ezManager.
8.3
Data Communication Problem on the Serial Port
Connection of Pins
Check if each connection of pins is right. Refer to the chapter 1.7.3. to find out the
pin assignment. In the case of using a cable, you should choose the right type of
cable which is suitable for the device.
You must connect the Ground pin to your device when using RS422 or RS485 as
well as RS232.
Setting parameters
Check if all the serial port parameters like Baud Rate, Data bit, Stop bit and Parity are
properly set.
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