Communication; Rs232 Connection - Nedap TRANSIT Entry Installation Manual
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3.2 COMMUNICATION
3.2.1 RS232 CONNECTION
The TRANSIT Entry has an on-board RS232 interface. This interface does not
support any hardware handshake signals. The communication protocol, baud rate,
data format and flow control depend upon the reader firmware. See firmware
manual for details.
Connections:
RXD
Receive data (input)
GND
Ground
TXD
Transmit data (output)
Note 1: Maximum cable length of 15 meters (
capacitance of 2500pF.
Note 2: Enable the on-board RS232 interface by setting DIP-switch SW1-2 to ON.
See chapter 4.2 for details.
Note 3: The RS232 interface is disabled while the USB interface is in use !!!
Figure 8: RS232 wiring
© Nedap IDEAS, P.O. Box 103, NL-7140 AC GROENLO
) or the cable length equal to a
50 feet
DIN9 FEMALE TO HOST
5
4
3
2
1
9
8
7
6
K3
TRANSIT Entry
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