Kramer Electronics FC-50 - Manual (Page 7)

Your FC-50 RS-232 Range Extender
5
5
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 to 1
3
the CAT 5 RJ-45 connector on the other FC-50 unit
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-232 9-pin D-sub
Connector
Connects to either a PC or a device
PINs 2, 3 and 5 are passed through the device
5 GREEN=PC
RED=DEVICE
LED
Lights in green when the PC/DEVICE button is released and in red
when the PC/DEVICE button is pressed
Figure 2 and Table 2 define the FC-50 underside:
Table 2: FC-50 RS-232 Range Extender Underside Features
Figure 2: FC-50 RS-232
Range Extender Underside
Feature Function
CROSSED /
STRAIGHT
CONNECTION Switch
Set to CROSSED for a crossed wire
connection 2
Set to STRAGHT for a straight wire
connection between the RS-232 port and the
PC/device
between the RS-232 port and the
PC/device
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