Alvarion BREEZEACCESS SW VERSION 5.1 - Manual (Page 39)

Base Station Equipment
System Description
7
may be licensed to support also SU-54 units (in bands where SU-54 unit type
is available. SU-54 is not available in the 0.9 GHz band).
NOTE
For convenience, all references to AU-SA are applicable also for AUS-SA, unless explicitly stated
otherwise.
The IDU connects to the network through a standard IEEE 802.3 Ethernet
10/100BaseT (RJ 45) interfaces and is powered from the 110/220 VAC mains.
The indoor unit is connected to the outdoor unit via a Category 5 Ethernet cable.
This cable carries Ethernet traffic between the indoor and the outdoor units, and
also transfers power (54 VDC) and control from the indoor unit to the outdoor
unit.