DeLOCK 90048 Bedienungsanleitung Seite 2

English
Pin assignment of the D-Sub 9 connectors
Pin RS-422
1 Tx-
2 Tx+
3 Rx+
4 Rx-
5 GND
1 Auto RS-422/485
2 RS-422 (4-Wire RS-485)
3 Terminator 120 Ohm
Description
The PCI Express card by Delock expands a PC by two external serial RS-
422/485 ports. Devices such as scanners, protocol converters, POS systems,
infrared -, IoT - devices etc. and different modes can be used.
The PCIe card supports 2- and 4-wire operation at both connections for RS-
422 and RS-485 devices. In addition, the integrated terminating resistors can
optionally be activated, thus avoiding unwanted signal interference.
RS-422 or RS-485 settings
The settings can be set with jumpers on the PCIe card and provide the modes
Auto Detect, RS-422 and RS-485 4-wire full duplex and RS-485 2-wire half
duplex operation.
4-Wire RS-485
Tx-
Tx+
Rx+
Rx-
GND
Mode settings
1
1
2-Wire RS-485
D-
D+
GND
(J2/J5)
(J2/J5)
Short (Default)
Open
-2-