7 MINI-LINK BAS
EN/LZB 111 0542 P2B Technical Description
7 ATM Transport and
Multiplexing ..............................7-1
7.1 Introduction ...............................................7-2
7.2 Virtual Connections...................................7-3
7.2.1 VP/VC Connection Plan ....................................7-4
7.2.2 Use of VPI/VCI Values ......................................7-4
7.3 Service Categories....................................7-6
7.3.1 Connection Admission Control ..........................7-6
7.4 R-AAS and C-AAS (CE Shelf)...................7-7
7.5 FlexNU......................................................7-8
7.6 ATM Fault Management............................7-8
8 Equipment Practice and
Power ........................................8-1
8.1 Introduction ...............................................8-2
8.2 Hub Site....................................................8-2
8.2.1 R-AAS, Radio-ATM Access Shelf......................8-2
8.2.1.1 PSU.................................................................... 8-3
8.2.1.2 Fan Unit.............................................................. 8-3
8.2.2 RAU...................................................................8-4
8.2.3 Antenna.............................................................8-5
8.2.3.1 Antenna for Point-to-Multipoint Connection......... 8-5
8.2.3.2 Antenna for Point-to-Point Connection................ 8-6
8.3 AT Site......................................................8-8
8.3.1 FlexNU...............................................................8-8
8.3.2 RAU...................................................................8-9
8.3.3 Antenna.............................................................8-9
8.4 Core ATM – C-AAS (CE Shelf)................8-10
8.4.1 Front Access Shelf ..........................................8-10
8.4.2 Rear Access Shelf...........................................8-11
8.4.3 POU.................................................................8-12
8.4.4 Fan Unit for Front Access AAS........................8-12
8.4.5 Fan Unit for Rear Access AAS ........................8-13
8.5 Control and Management........................8-14
8.5.1 EM...................................................................8-14
8.5.2 CP ...................................................................8-15
8.6 PDU ........................................................8-15
8.7 Cabinets/Racks.......................................8-16
8.7.1 Front Access Central Office.............................8-16
8.7.2 Rear Access Central Office .............................8-20
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