2-5 MINI-LINK BAS
EN/LZB 111 0542 P2B Technical Description
2.2.1 AT
AT is composed by:
− IDU: FlexNU
− ODU: Radio and the antenna
AT is located at the edge of the network close to the subscriber
providing an interface between the MINI-LINK BAS network and the
subscriber equipment.
Each AT is assigned to a RN and receives downlink, broadcast traffic
from that RN using the TDM scheme. AT transmits uplink traffic to
the RN in a TDMA fashion sharing the total RN capacity, 37.5 Mbps,
with the ATs.
Network Unit (NU)
Service
Interface
Units
Modem
Unit
User
Radio
Unit
User
Antenna
Figure 2-2 AT Block Diagram
CE_NU_E1/T1, SU Ethernet
Modem Board
Ethernet
POTS
PABX
FlexNU
User Radio Unit
Figure 2-3 AT
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