Samsung SSA-R2010/EXP manual Problem

PROBLEM			ACTION
My reader does not communicate	1) Please check the settings of the application software and the controller.
with the host PC.	- Check if the product COMM ADDR is recognized by the application
	software.
	- Set the different COMM ADDR when two or more devices are installed.
	- Check the followings when in serial communications.
	• Check if the communication speed (57600bps) is the same as the setting
		on the software.
	• Make sure that COM port of the PC is set correctly on the software.
	- When using TCP/IP RJ45
	• Check the values of the IP, subnet mask, gateway and port number.
	• For details on the settings, refer to the user manual of the software.
	2) Check if the communication wiring is done correctly.
	- For RS-485
			RS-485 (Single)
		This product	RS-485/RS-232 Converter		PC
		RS-485-A(+)	RS-485-A(+)		RS-232 cable
		RS-485-B(-)	RS-485-B(-)		of the converter
			RS-485(Multi Drop)
		This product	This product	RS-485/RS-232	PC
				Converter
		RS-485-A(+)	RS-485-A(+)	RS-485-A(+)	RS-232 cable
		RS-485-B(-)	RS-485-B(-)	RS-485-B(-)	of the converter

If the multi-drop communication doesn’t work, test the communication settings one by one in sequence from the first one.

-For TCP/IP communication

•Check if the link LED indicator on the rear panel flickers normally.

•If it doesn’t flicker, check the cable wiring.

3)If the problem persists after you have followed the procedures above, contact a designated customer service.

TROUBLE SHOOTING

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