MINI-LINK BAS 8-8
Technical Description EN/LZB 111 0542 P2B
8.3 AT Site
The AT site provides the interface between the radio network
distribution and the subscriber. Every AT is composed by indoor and
outdoor parts:
• FlexNU, indoor
• RAU and the Antenna, outdoor
8.3.1 FlexNU
A 19” shelf composes the AT indoor unit, named FlexNU, EMC
shielded for compact PCI.
Service Units Boards
Modem Board
Power Supply
Figure 8-7 The FlexNU Indoor Unit
Dimensions according to IEC 60 297 are:
• Height = 3U (132.5 mm)
• Width = 84T (448.6 mm)
• Depth = 240 mm
Top and bottom covers, fully perforated, are made of pre-galvanised
steel sheets. Front panel materials are stainless or aluminium, with
EMC gaskets, eject handles and ESD pins in accordance to compact
PCI standards.
Connection from the FlexNU to the outdoor radio is via a coaxial
cable that is connected to the TNC connector at the front. The service
10BaseT Ethernet connection is made through an Ethernet RJ 45
connector.
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