User Manual

AS4000 Wireless Local Loop
System Overview
IXL 001
605-0000-430
Issue 1.2 Date 7/4/99
Page 2 of 8
8.3.1 The Subscriber Interface................................................................................ 11
8.4 Frequency Planning............................................................................................... 11
9 Code Division Multiple Access (CDMA) Overview .................................................. 12
9.1 Spread Spectrum .................................................................................................. 12
9.2 Code Division Multiple Access ............................................................................. 13
10 Litespan-120 (LS-120) Channel Bank....................................................................... 15
Central Terminal Hardware overview GSI 002
1 The Network Interfaces.............................................................................................. 2
2 Antenna and Feeder Sub-system ................................................................................. 2
2.1 General Description................................................................................................ 2
2.2 Interface Connections ............................................................................................. 3
3 Central Terminal (CT) ................................................................................................ 6
3.1 General Description................................................................................................ 6
3.2 Power Requirements............................................................................................... 7
3.3 CT Equipment Rack Shelves:.................................................................................. 7
Subscriber Terminal Hardware Overview GSI 003
1 General Description.................................................................................................... 1
1.1 Customer Radio Unit.............................................................................................. 2
1.2 CRU Mounting Bracket.......................................................................................... 2
1.3 Drop Cable............................................................................................................. 2
1.4 Network Termination Unit (NTU) when using ST-V2............................................. 3
1.5 Network Termination Unit when using ST-D128 .................................................... 4
1.6 D128 Interface Converter ....................................................................................... 4
1.7 Network Termination Unit when using ST-I1.......................................................... 4
1.8 AC Power Supply Unit (Type 1)............................................................................. 4
1.9 AC Power Supply Unit (Type 2/4).......................................................................... 5
System Management GSI 004
1 AS8100 Sitespan ........................................................................................................ 1
2 AS8300 Element Manger............................................................................................ 3
2.1.1 EM Interface Specifications............................................................................. 5