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Connecting the Reader
14.4
Connecting the Antenna
NOTICE
Risk of malfunction!
When using a cable not suitable for the impedance of 50 Ohm, the performance of the reader will be
severely limited by the mismatch. If the mismatch is large, the reader may indicate a fault.
►
Only use cable suitable for the impedance (50 Ohm).
For the connection to the RFID antennas, the RRU 4xxx/ARU 3xxx/ARU 8500 readers have four antenna connections
that are of the reverse TNC design.
►
Only use the cable from the accessories list or an equivalent cable for this connection.
For the connection to the RFID antennas, the RRU 1400/ARU 2400 reader has four/three antenna connections that are
of the FAKRA design.
►
Only use the cables from the accessories list or an equivalent cable for this connection.
14.5
Turning the Reader On and Off
►
Connect the reader to the power supply via a
PWR or to a PoE source according to the 802.3at standard via LAN /
POE input.
➯
The reader is on.
14.6
Reading the PWR LED Indications
The reader has a 2-colour LED for the indication of the operating state. The table below shows the colours used and the
related operating state:
LED
Action
Meaning
yellow
on
the unit is booting
green
yellow
on
flashing approx. every 8 seconds
unit is on, normal operation with
heartbeat
yellow
green
on
flashing approx. every 8 seconds
error during booting
Tip
The ARU 3xxx readers have additional 4 LEDs (green/red/red/green) in the antenna cover which can be con-
trolled by means of the software.
