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.