Samsung SSA-P400T/EXP Board ID Setup Switch, Host computer, Ports Max Current 2A, Is applied

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	QUICK GUIDE
Board ID Setup Switch	The address number specified by the address setup switch should
	match that of the host computer as it is used for communications with
	the host computer.
I/O Board Connection Port	Communication ports to connect to the I/O board, which include Input
	#8 through Input #15 and Output #8 through Output #15.
	Pressing both of the switches at the same time for about 2 seconds will
System Initialization Switch	sound initialization ready beep. Releasing both switches will stop the
	beep, and restarts the system after the initialization.
Output (Relay #1 ~ Relay #4)	4 relay outputs (FORM-C(COM, NO, NC)) are provided. (DC12~18V,
Ports	Max Current 2A)
Output (TTL #1 ~ TTL #3)	3 TTL output ports are provided.
	The voltage depends on the output occurrence, DC 0V for no output
Ports Address Setup Switch
	occurrence, and DC 5V for any output occurrence.
RJ-45	Connect the LAN cable for TCP/IP communications.
RS-232 Communication Port	One RS-232 communication port is provided. Used to exclusively
	connect to a PC in a local area.
RS-422 Communication Port	One RS-422 communication port is provided.
	You can establish up to 32 multi-drop communications.
Power Connection Port	DC +12V is used for the power source.
LED Extension Port	Port used to extend the power and communication indicators so that
	they can display in an external device.
TCP/IP Module LED Indicator	For TCP/IP module communications, the status of the TCP/IP module
	will be provided additionally.
Power LED Indicator	Power connection status indicator. It always stays ON while the power
	is applied.
Output LED Indicator	Output status indicator for the output port. A flashing indicator denotes
	the occurrence of any output.
Keypad Connection Port	Optional item.
LCD Connection Port	Optional item.
	The TCP/IP module is optional so it is not provided by default.
TCP/IP Module Connection Port	Communication can be established using the built-in TCP/IP module.
	Communication with the PC can be established using the built-in TCP/
	IP module.
Firmware ROM	This must be replaced before the firmware update; you can check the
	current firmware version.
Reader #1 Port	The first reader connection port.
Reader #2 Port	The second reader connection port.
Reader #3 Port	The third reader connection port.
Reader #4 Port	The fourth reader connection port.

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