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Base Station Equipment
System Description
5
The AU-BS Access Unit can serve up to 512 Subscriber Units (124 when Data
Encryption is used).
The AUS-BS Access Unit can serve up to 8 SUs except SU-54 (refer to section
1.3 for details on availability of SU types in different bands). Optionally, it
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-BS are applicable also for AUS-BS, unless explicitly stated
otherwise.
The AU-ODU outdoor unit contains the processing and radio
modules and connects to an external antenna using a short RF
cable.
There are two types of AU-ODUs:
Table 1-2: Access Unit ODU Types
AU ODU Type Description
AU-E-ODU (all bands
except 0.9 GHz)
A rectangular enclosure (30.5 x 11.7 x 5.7 cm) with a connection
to an external antenna (not included). Not available in the 0.9
GHz band (HW revision D or lower).
New AU-E-ODU
(0.9 GHz units only)
A diamond shaped enclosure (22 x 22 x 7 cm) with a connection
to an external antenna (not included).
The smaller size new AU-E-ODU (HW revision F) is currently
available only in the 0.9 GHz band.
E model units are supplied without an antenna.
The available antennas are listed in Table 1-3: