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OUTPUT 1
OUTPUT 2
OUTPUT 1
OUTPUT 2
GND OUT_CMN
ARU 2400
+UB_extern
GND_extern
Fig. 20: DC-isolated outputs
12.3
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.
Ź
Only use cable suitable for the impedance (50 Ohm).
For the connection to the RFID antennas, the RRU 4xxx/ARU 3xxx readers have four antenna connections that are of the
reverse TNC design.
Ź
Only use the cable from the accessories list or an equivalent cable for this connection.
For the connection to the RFID antennas, the ARU 2400 reader has three antenna connections that are of the FAKRA
design.
Ź
Only use the cables from the accessories list or an equivalent cable for this connection.
12.4
Turning the Reader On and Off
Ź
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.
ᇜ
The reader is on.
12.5
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.
Содержание ARU4 Series
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