User's Manual

READER HARDWARE INSTALLATION AND OPERATION CHAPTER 2
ALR-9890 – RR Hardware Setup Guide
DOC. CONTROL #8102XXX-000 REV A
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Diagnostic LEDs
The ALR-9890 - RR includes diagnostic LEDs on the face of the reader to
provide easy and convenient external indication for various operating conditions:
 POWER (green) - indicates power is applied to the reader
 LINK (green) – indicates that the reader is connected to the network
 ACTIVE (green) – indicates reader is transmitting on the network
 ANT 0 – ANT 3 (green) – indicates that the reader is transmitting power
on the specified antenna port
 CPU (green) – indicates that the CPU has booted successfully and is
running normally.
 READ (green) – indicates that the reader is receiving data from a tag
 SNIFF (green) – indicates a tag signal has been detected, though it may
not be strong enough yet to complete a transaction.
 FAULT (red) – indicates a fault condition with the reader.
Figure 4 – ALR-9890 – RR Reader Diagnostic LEDs