Kramer Electronics user manual FC-50 RS-232 Range Extender Features

			Your FC-50 RS-232 Range Extender
		Table 1: FC-50 RS-232 Range Extender Features
#	Feature			Function
1	12V DC			+12V DC connector for powering the unit
2	CAT 5 RJ-45 Connector			Connect to1 the CAT 5 RJ-45 connector on the other FC-50unit
3	PC / DEVICE Button			Press when a device is connected to the RS-232 port
				Release when a PC is connected to the RS-232 port
4	RS-2329-pin D-sub			Connects to either a PC or a device
	Connector			PINs 2, 3 and 5 are passed through the device
5	GREEN=PC	LED		Lights in green when the PC/DEVICE button is released and in red
	RED=DEVICE			when the PC/DEVICE button is pressed
	Figure 2 and Table 2 define the FC-50underside:
Table 2: FC-50 RS-232 Range Extender Underside Features
	Feature			Function
CROSSED /		Set to CROSSED for a crossed wire
STRAIGHT		connection2 between the RS-232 port and the
CONNECTION Switch		PC/device

Set to STRAGHT for a straight wire connection between the RS-232 port and the PC/device

Figure 2: FC-50 RS-232

Range Extender Underside

1 Using a UTP CAT 5 cable with RJ-45 connectors at both ends (the PINOUT is defined in Table 3 and Figure 4) 2 PINs 2 and 3 (Rx and Tx) are crossed in the wiring between the 9-pin D-sub connectors

5