User's Guide

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Connections and Displays
10.2 RRU 4xxx and ARU 3xxx
Depending of the device variant, the reader has various connection options. The illustrations below shows an RRU 4000
standard reader with all its connection options.
10.2.1 Front View
Fig. 13: RRU 4000 – Displays
No. Name Function
PWR
indicates whether the reader is on; see also
15.6 Reading the PWR LED Indications,
p.60
basic LEDs (A1-A4) indicate if an RF signal is on for antennas 1–4 (default setting)
For other functions of the basic LEDs, see
Selecting Functions, p.104
high-end LEDs see
LED, p.103
only available for ARU x5xx and RRU x5xx readers
Related topics
15.6 Reading the PWR LED Indications, p.60
17.4 LED, p.103