User's Manual

Lyngsoe Systems RFID Reader and Exciter PRX23
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1. General
PRX23 (marketing name LS5050) is an RFID reader and exciter for Lyngsoe’s active tags
operating in the 433.92 MHz band. PRX23 (Figure 1) is used for installations in postal
applications.
Figure 1 – PRX23
PRX23 is designed to operate in a multi-drop RS485 network or on Ethernet LANs; it has
assigned a unique address. PRX23 provides the following main functions:
• Generates Lyngsoe compliant LF excitation field
• Receive over-the-air Lyngsoe tag messages
• Process received messages and send data packets with the received data to the
network over RS485 or Ethernet (with PoE option) upon request; PRX23 can also
store a number of messages in a non-volatile data memory
• Remote control/configuration using the RS485 communication network or Ethernet
• Output (on/off switchable) to power external devices such as RFID exciter
• Remote reset over the RS485 network
2. Installation
The typical installation of the PRX23 is wall mount (Figure 2). PRX23 is equipped with two
receive antennas (1/4 quarter-wave whip) for diversity.