MINI-LINK BAS 8-2
Technical Description EN/LZB 111 0542 P2B
8.1 Introduction
The present Chapter describes the mechanical parts that compose
MINI-LINK BAS. These are:
• Hub site
• AT site;
• Core ATM – C-AAS (CE Shelf)
• Control and Management
• PDU
• Cabinets
8.2 Hub Site
The Hub site is composed by the following parts:
• R-AAS
• RAU
• Node Antenna
8.2.1 R-AAS, Radio-ATM Access Shelf
The R-AAS (Radio Shelf) is the shelf which houses the ATM
interface toward the ATM network and the NCUs that drive the
outdoor Radios.
The R-AAS has front-access connection field with connectors for
external alarm and power. The connections to the ET and to the NCUs
are via front connectors.
Slot 1 of the front access of R-AAS is dedicated for the ET board,
used to connect the shelf to the external network. Slots 2 and 3 are for
CE plug-in units. Slots 4-5, 6-7 and 8-9 can each of accommodate
either two CE plug-in units or NCU plug-in unit. Slots 10, 12 and 14
can accommodate only a NCU plug-in unit each, while positions 16
and 17 are dedicated for the dual redundant power plug-in units.
The R-AAS is only available in front access version with duplicated,
redundant, PSU’s.
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