Nedap TRANSIT Entry - Communication; Rs232 Connection

TRANSIT ENTRY | INSTALLATION GUIDE
Connections
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3.4 COMMUNICATION
3.4.1 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)
Figure 10: RS232 wiring
Note
Maximum cable length of
15 meters (50 feet) or the
cable length equal to a
capacitance of 2500pF.
Note
Enable the on
-
board RS232
interface by setting DIP
-
switch SW1
-2 to ON. See
chapter
0 for details.
Note
The RS232 interface is
disabled while th
e USB
interface is in use !!!