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9.2
Rear View
1
2
3
4
5
6
7
8
Fig. 6: RRU 4000
No.
Name
Function
①
ANT 4
1)
R-TNC, 50 Ohm, to connect an antenna
②
ANT 3
R-TNC, 50 Ohm, to connect an antenna
③
ANT 2
R-TNC, 50 Ohm, to connect an antenna
④
ANT 1
R-TNC, 50 Ohm, to connect an antenna
⑤
GPIO
to detect external sensors and to control external actors; see also
GPIO Functions,
p. 81
⑥
PWR
to connect to a DC power supply
, 10–30 V
⑦
LAN
2)
second Ethernet port
●
to connect to a sub network
●
to connect external Ethernet devices
⑧
LAN/PoE
main Ethernet port with PoE+-connectivity
●
to control the reader
●
to provide power supply over Ethernet
1)
In the ARU 3xxx r
eaders, there are only 3 antenna ports
2)
Available for RRU 45xx and ARU 35xx
