Wireless LAN to LAN bridge Manual
Page 712-10-99
1.0 INTRODUCTION .................................................................................................................8
2.0 HARDWARE INSTALLATION..........................................................................................10
2.1 THE ANTENNA INSTALLATION .............................................................................................11
2.1.1 radiation diagram.....................................................................................................11
2.1.2 Multi path .................................................................................................................12
2.1.3 Free space losses....................................................................................................14
2.1.4 Line of sight .............................................................................................................15
2.1.5 The link budget........................................................................................................16
2.1.6 Mechanical installation of the antenna ....................................................................17
2.1.7 Step by Step installation..........................................................................................18
2.1.8 Lightening protection ...............................................................................................19
2.2 BASIC ALIGNMENT OF THE ANTENNA ..................................................................................20
2.3 CONFIGURATION OF THE BRIDGE UNITS..............................................................................23
Antenna settings......................................................................................................................... 24
2.4 FINE TUNING OF THE BRIDGE LINK......................................................................................25
The alignment............................................................................................................................. 25
2.5 INSTALLING THE BRIDGE UNIT ............................................................................................27
3.0 BCONFIG CONFIGURATION PROGRAM.......................................................................28
3.1 INSTALLATION...................................................................................................................29
3.2 THE NETWORK CONFIGURATION.........................................................................................30
Community string ....................................................................................................................... 31
Set a fixed IP address ................................................................................................................ 31
Change write community............................................................................................................ 31
3.3 THE DEVICE SETTINGS ......................................................................................................32
Encrypt link using AirLock™ security ......................................................................................... 32
Contention window..................................................................................................................... 32
ACK window............................................................................................................................... 33
Short retry limit........................................................................................................................... 33
RTS/CTS threshold .................................................................................................................... 33
Long retry limit............................................................................................................................ 33
Fragmentation threshold............................................................................................................. 33
Antenna settings......................................................................................................................... 33
Regulatory domain ..................................................................................................................... 34
Area ..................................................................................................................................34
Channel...................................................................................................................................... 34
ED Threshold ............................................................................................................................. 34
Some other notes....................................................................................................................... 34
3.4 RESETTING THE BRIDGE....................................................................................................35
4.0 TROUBLESHOOTING ......................................................................................................36
Problem: Can not access the bridge settings via network.......................................................... 36
Problem: Low throughput on the link.......................................................................................... 36
Problem: Link drops away every now and then.......................................................................... 36
5.0 SPECS...............................................................................................................................37
5.1 BRIDGE SPECS..................................................................................................................37
Management and configuration.................................................................................................. 38
!NETWORK:SNMP AGENT WITH SUPPORT FOR MIB-II AND IEEE 802.11MIB ....................38
5.2 OMNI ANTENNA SPECS (ART NUMBER 10380125) ..............................................................39
Features..................................................................................................................................... 39
Description ................................................................................................................................. 39
Specifications............................................................................................................................. 39
5.3 SECTOR ANTENNA SPECS (ART NUMBER 10380114)..........................................................40
Features..................................................................................................................................... 40
Description ................................................................................................................................. 40
Specifications............................................................................................................................. 40
5.4 DISH ANTENNA SPECS (ART NUMBER 10380103)...............................................................41
Description ................................................................................................................................. 41
Specifications............................................................................................................................. 41
5.5 POWER SUPPLY SPECIFICATIONS .......................................................................................42
