KTI Networks KSC-240 manual Serial Interface RS-232 Port, RS-485/422 Interface, LEDIndicators

Serial Interface (RS-232 Port)
Connector		DB9 female
Pin Assignments		DCE type
Baud Rate Support		Up to 115K baud
Connector Shield		Connect to chassis ground
Connection Distance		15 meters
High ESD Tolerance		+/-15KV on Tx, Rx lines
Overvoltage Protection		Cutoff if over +/-28V
Isolation		Optical isolation with RS-485/422 interface
RS-485/422 Interface
Connector		Screw-type terminal block
Signal Type		Balanced differential lines
Data Speed		115Kbps
Standard		EIA-485, EIA-422
High ESD Tolerance		+/-15KV on driver and receiver lines
Overvoltage Protection		Cutoff if over +/-28V
LEDIndicators
LED	DISPLAY	STATE	INTERPRETATION
PWR	Power status	ON	Power on
		OFF	Power off
232 TX RS-232 TX		BLINK	RS-232 TXActivity
232RX RS-232RX		BLINK	RS-232 RXActivity
TXC	RS-485/422 TX control ON		RS-485 driver is enabled
		OFF	RS-485 driver is disabled

-8-