User manual

AP User Manual January 2004
Software Release 4.1
4.7.10
Module Parameters for SNMP Implementation.................................................30
4.7.11 Objects Defined in the Canopy Enterprise MIB.................................................31
4.7.12 Traps Provided in the Canopy Enterprise MIB ..................................................38
4.7.13 MIB Viewers.......................................................................................................38
5 SITE PLANNING .......................................................................................................................40
5.1 Specific Mounting Considerations...................................................................................40
5.1.1 Lightning Protection ...........................................................................................40
5.1.2 Electrical Requirements.....................................................................................40
5.2 General RF Considerations.............................................................................................41
5.2.1 Vertical Beam Width ..........................................................................................41
5.2.2 Radio Horizon ....................................................................................................42
5.2.3 Antenna Downward Tilt .....................................................................................43
5.2.4 Fresnel Loss ......................................................................................................43
5.2.5 Free Space Path Loss .......................................................................................45
5.2.6 Loss Due to Foliage...........................................................................................47
5.2.7 Carrier-to-Interference Ratio..............................................................................47
5.3 Canopy Component Proliferation....................................................................................48
5.3.1 Subscriber Modules...........................................................................................48
5.3.2 Access Point Modules .......................................................................................48
5.3.3 Access Point Clusters........................................................................................48
5.4 AP Update of SM Software Release...............................................................................48
5.5 Channel Plans.................................................................................................................50
5.5.1 Physical Proximity .............................................................................................50
5.5.2 Spectrum Analysis .............................................................................................50
5.5.3 Power Reduction to Mitigate Interference .........................................................51
5.5.4 2.4-GHz AP Channels .......................................................................................52
5.5.5 5.2-GHz AP Channels .......................................................................................53
5.5.6 5.7-GHz AP Channels .......................................................................................54
5.5.7 Example Channel Plans for AP Clusters...........................................................55
5.5.8 Multiple Access Points Clusters ........................................................................57
6 IP NETWORK PLANNING........................................................................................................58
6.1 General IP Addressing Concepts....................................................................................58
6.1.1 IP Address .........................................................................................................58
6.1.2 Subnet Mask......................................................................................................58
6.1.3 Example IP Address and Subnet Mask.............................................................58
6.1.4 Subnet Classes..................................................................................................58
6.2 Dynamic or Static Addressing.........................................................................................59
6.2.1 When a DHCP Server is Not Found ..................................................................59
6.3 AP Module Address Assignment.....................................................................................59
6.3.1 Operator Assignment of IP Addresses ..............................................................60
7 AP MODULE INSTALLATION..................................................................................................61
7.1 Unpacking the Canopy Products.....................................................................................61
7.1.1 Component Layout ............................................................................................61
7.1.2 Diagnostic LEDs ................................................................................................62
7.2 Cabling the AP ................................................................................................................62
7.2.1 Standards for Wiring..........................................................................................62
7.2.2 Recommended Tools ........................................................................................63
7.2.3 Connector Wiring ...............................................................................................63
7.2.4 Overriding IP Address and Password Setting ...................................................66
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