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Data Protection
Introduction
The FX7500 and FX9600 RFID readers store data in transition when it detects a network condition that
prevents the reader from sending data. This applies to RFID tag data that the reader application is
transmitting to the outbound TCP socket, and is no longer owned by the RFID application because it was
sent to the network layer for transmission.
When the reader cannot queue RFID data in the outbound TCP socket when an LLRP connection is already
established, it stores all outbound LLRP messages in the data protection queue. The queue can store up
to 66,000 messages, which represents more than 5 minutes worth of data when reading 200 tags/second
(the nominal data rate in DRM (dense reader mode) configuration). If the network is still unavailable when
the data protection queue is full, the oldest messages are discarded to accommodate the most recent tag
reports.
This feature can not be disabled and operates regardless of the physical network interface used, meaning
RFID data over Wi-Fi and Bluetooth is also protected.
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