Motorola Solutions 89FT7629 Access Point/CPE User Manual User Guide Part 2
Motorola Solutions, Inc. Access Point/CPE User Guide Part 2
Contents
- 1. User Guide Part 1
- 2. User Guide Part 2
- 3. User Guide Part 3
- 4. User Guide Part 4
- 5. User Guide Part 5
User Guide Part 2
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| Mirror Download [FCC.gov] | |
| Document ID | 866911 |
| Application ID | TRT84bnTTlAneOTFDaEYzg== |
| Document Description | User Guide Part 2 |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 201.37kB (2517157 bits) |
| Date Submitted | 2007-11-09 00:00:00 |
| Date Available | 2008-05-23 00:00:00 |
| Creation Date | 2007-11-09 01:28:02 |
| Producing Software | Mac OS X 10.4.10 Quartz PDFContext |
| Document Lastmod | 2007-11-09 01:28:28 |
| Document Title | Canopy Release 8 User Guide Iss 2 Draft 5 Regulatory |
| Document Creator | Word |
| Document Author: | John Harris |
Release 8 8.2 Overview of Canopy Networks BH-BH LINKS Canopy BHs communicate with each other using a point-to-point protocol. This point-topoint protocol uses a 2.5-msec frame. A BH link has higher throughput and lower latency (typically 5 msec, 2.5 msec in each direction) for two reasons: ◦ Only two endpoints are involved. ◦ No bandwidth request and reservation process is involved. For 10-Mbps BHs, the aggregate throughput on the channel is 7.5 Mbps. For 20-Mbps BHs, the aggregate throughput on the channel is 14 Mbps. If a BH is set to a downlink ratio of 50%, then the bandwidth in each direction is half of the total BH link bandwidth. Issue 2, November 2007 Draft 5 for Regulatory Review 101 Release 8 Overview of Canopy Networks PREVIEWING NETWORK CONFIGURATIONS The following are examples of network layouts. Customer experience case studies are also available. 9.1 VIEWING TYPICAL LAYOUTS The following layouts are typical of Canopy system implementations: ◦ Figure 28: Typical network layout with no BH ◦ Figure 29: Typical network layout with BH ◦ Figure 30: Typical multiple-BH network layout AP Cluster 2 AP Cluster 3 AP Cluster 1 GPS CMM BAM SM RTR RTR WAN (Internet) PC Figure 28: Typical network layout with no BH Issue 2, November 2007 Draft 5 for Regulatory Review 103 Release 8 Overview of Canopy Networks AP Cl uster 2 AP Cl uster 3 BH M BH S AP AP Cl uster 1 GPS CM M GPS CM M RTR BA M WA N (I nternet) SM RTR PC PC RTR SM Figure 29: Typical network layout with BH GPS BHS BHM BHM BHS CMM RTR WAN (Internet) Figure 30: Typical multiple-BH network layout Issue 2, November 2007 Draft 5 for Regulatory Review 104 Release 8 9.2 Overview of Canopy Networks VIEWING CASE STUDIES Case studies of Canopy implementations are available as “Feature Articles” for download from http://www.connectwithcanopy.com/index.cfm?canopy=menu.case. Issue 2, November 2007 Draft 5 for Regulatory Review 105 Release 8 Overview of Canopy Networks 10 ACCESSING FEATURES Canopy Release 8 networks support the features that are indicated in Table 26. Table 26: Canopy features Regulatory Features Module Type(s) Controlled in GUI Page/Tab SNMP Control RoHS compliant (EU “green” mandate) All modules no no WEEE compliant All modules no no Complies with Human RF exposure limits (ETSI) All radios no no Radio Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Time Division Duplex All radios no no Scalable up to 6 sectors per cell. AP SM no no 200 registered subscribers supported per AP AP SM no no Fixed /nomadic operation All radios no no 20 ms or less round trip latency (OTA with Canopy MAC, under normal conditions) All radios no no Transmit frame spreading for geographical area co-existence AP BHM Configuration/Radio yes Radio statistics (scheduler) All radios Statistics/Scheduler yes 2X rate, enabled per link (requires Advantage AP or 20 Mbps BH) SM BHS Configuration/General yes 2X rate, enabled per sector (requires Advantage AP or 20 Mbps BH ) AP BHM Configuration/General yes Manual transmit power control - normal and low (-18 dB) All radios Configuration/Radio yes Manual transmit power control, 1 dB increments over 25 dB at the AP AP BHM Configuration/Radio yes Issue 2, November 2007 Draft 5 for Regulatory Review 107 Release 8 Overview of Canopy Networks Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable center-channel carrier frequency AP BHM Configuration/Radio yes 255 configurable "color codes" to manage SM to AP (or (BHS to BHM) registration All radios Configuration/Radio yes 16 configurable "sector IDs" for administrative convenience AP BHM Configuration/Radio yes Configurable range settings (determines air turn-around time) AP Configuration/Radio yes Configurable downlink data % (determines transmit/receive ratio) AP BHM Configuration/Radio yes Configurable number of reserved control slots (manages contention for uplink requests) AP Configuration/Radio yes Configurable frequency scan list at SM SM BHS Configuration/Radio yes Packet stats - RF interface All radios Statistics/Radio yes Timing Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable AP/BHM sync source - Sync over Power over Ethernet, self-sync, or sync cable AP BHM Configuration/General yes "Remote AP" support, including timing pulse propagation through SM/BHS SM BHS Configuration/General yes Module Type(s) Controlled in GUI Page/Tab SNMP Control Selectable link speeds - 10/100 Base T, half, full-duplex All modules Configuration/General yes Ethernet link auto-negotiation All modules Configuration/General no Accepts straight-through or crossover Ethernet cable wiring (Auto-MDX) All modules no no Wire line Interface: Ethernet cable with proprietary PoE All modules no no Disable SM Ethernet link SM Configuration/General yes Packet stats - Ethernet interface All radios Statistics/Ethernet yes RF Configuration Features Ethernet Interface Features Issue 2, November 2007 Draft 5 for Regulatory Review 108 Release 8 Overview of Canopy Networks Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable LAN settings (IP address, mask, gateway) All radios Configuration/IP yes Module's management IP address assignable via DHCP All radios Configuration/IP yes Private LAN to support AP to SM (or BHM to BHS) communications All radios Configuration/IP yes Configurable SM mgmt accessibility (Local/Ethernet only, or Public/RF and Local/Ethernet) SM Configuration/IP yes Security Features (Authentication, Encryption, and Access Control) Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable SM authentication using BAM/PrizmEMS AP SM Configuration/Security yes Configurable BH authentication, standalone BHM BHS Configuration/Security no DES encryption on standard product All radios no yes AES encryption on AES product All radios no yes Configurable whether SM/BHS displays AP/BHM beacon information AP BHM Configuration/Security yes Configurable web, telnet, and ftp session timeout All radios Configuration/Security yes Configurable access to radio management up to 3 source IP addresses All radios Configuration/Security yes User/account names (up to 4) and passwords on modules All radios Account yes Permission levels control ability to add/delete users/passwords All radios Account yes Override plug to override lost IP address or user/password All radios no no Override plug configurable as a default plug reset to factory defaults AP SM BHM BHS Configuration/Unit Settings yes Override switch to override lost IP address or user/password on CMM CMMmicro no no IP Interface Features Issue 2, November 2007 Draft 5 for Regulatory Review 109 Release 8 Overview of Canopy Networks Module Type(s) Controlled in GUI Page/Tab List of registered SMs/BHSs with full data, with hot links to SMs/BHSs AP BHM Configuration/General multiple objects Abbreviated list of SMs/BHSs, with hot links to SMs/BHSs AP BHM Configuration/General multiple objects Received power level indication All radios Configuration/General yes LEDs on modules to display states and activity All modules no no Received interference level indication (jitter) All radios Configuration/General yes Configurable web-page auto-refresh All modules Configuration/General yes SM registration failures AP BHM Statistics/Reg Failures yes Event log All modules Home/Event Log no Operator can use own logo on GUI pages All modules no yes Operator can use own style sheets for GUI All modules no yes Bridge Management Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable bridge entry timeout All radios Configuration/General yes Bridging table statistics (up to 4096 entries) All radios Statistics/Bridging Table yes Disable bridging on BHs BHM BHS Configuration/General yes SM Isolation Features (preventing communication between SMs) Module Type(s) Controlled in GUI Page/Tab SNMP Control SM isolation at AP AP Configuration/General yes SM isolation at CMM CMMmicro Configuration/General yes SM Isolation Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Translation bridging (replace customer MAC with SM MAC address) AP Configuration/General yes With Translation bridging, choice of sending untranslated ARP AP Configuration/General yes Translation table statistics All radios Statistics/Translation Table yes Quick Start Feature Module Type(s) Controlled in GUI Page/Tab SNMP Control AP configuration quick-start wizard AP BHM Quick Start Monitoring Features Issue 2, November 2007 Draft 5 for Regulatory Review SNMP Control 110 Release 8 Overview of Canopy Networks Module Type(s) Controlled in GUI Page/Tab SNMP Control AP Maximum Information Rate (MIR) default settings AP Configuration/QoS yes Per SM Maximum Information Rate (MIR) SM Configuration/QoS yes Per SM Committed Information Rate (CIR) for high and low channels SM Configuration/QoS yes "Configuration Source" for MIR/CIR/HP/VLAN can be either SM or BAM/Prizm AP Configuration/General yes CIR for low priority channel on BH BHS Configuration/QoS yes Configurable priority for TCP Acks, to optimize bandwidth use AP BHM Configuration/General yes Module Type(s) Controlled in GUI Page/Tab SNMP Control Configurable High Priority channel with configurable DiffServ mappings on AP, SM (2 classes of service) AP SM Configuration/DiffServe yes Permanent BH High Priority Channel with configurable DiffServ mappings on BH (2 classes of service) BHM BHS Configuration/DiffServe yes Virtual channel (high/low priority) statistics All radios Statistics/Data VC yes Network Address Translation (NAT) Features Module Type(s) Controlled in GUI Page/Tab SNMP Control NAT SM Configuration/NAT yes NAT DMZ SM Configuration/NAT yes NAT DHCP server on LAN with up to 254 IP addresses in pool SM Configuration/NAT yes NAT DHCP client on WAN (obtains NAT address from a DHCP server) SM Configuration/NAT yes NAT port mapping SM Configuration/NAT yes no no Bandwidth Management Features Bandwidth Management Features VPN "pass through" for L2TP over IPSec (but not PPTP) NAT statistics SM Statistics/NAT Stats yes NAT DHCP statistics SM Statistics/NAT DHCP Statistics yes NAT table SM Logs/NAT Table no Filtering Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Protocol filtering based on protocol SM Configuration/Protocol Filtering yes Operator-defined port filtering (3 ports) SM Configuration/Protocol Filtering yes Packet filter statistics All radios Statistics/Filter yes Issue 2, November 2007 Draft 5 for Regulatory Review 111 Release 8 Overview of Canopy Networks Module Type(s) VLAN Management Features Controlled in GUI Page/Tab SNMP Control Configurable VLAN AP SM CMMmicro Configuration/VLAN yes Highly configurable VLAN (802.1Q) AP SM Configuration/VLAN yes Use of VLAN priorities (802.1p) with high priority channel AP SM no yes Port-based VLAN switching on CMM CMMmicro Configuration yes VLAN statistics AP SM Statistics/VLAN yes Dynamic Frequency Selection (DFS) Feature Module Type(s) Controlled in GUI Page/Tab SNMP Control DFS v1.2.3 All radios no yes Time Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Time and Date from CMM via Network Time Protocol (NTP) server AP BHM Configuration/Time yes Time and Date manually settable AP BHM Configuration/Time yes CMM provides NTP server CMMmicro no no Spectrum Analyzer Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Spectrum analyzer SM BHS Tools/Spectrum Analyzer no Ability to switch an AP to an SM (or BHS to BHM) AP BHM Configuration/General yes Module Type(s) Controlled in GUI Page/Tab SNMP Control Alignment tone for using during aiming/alignment SM BHS no no Aiming support page when not using alignment tone SM BHS Tools/Alignment multiple objects LED for alignment SM BHS no no Configure SM power-up state - aiming or operational SM BHS Configuration/General yes Link capacity test, with configurable packet length All radios Tools/Link Capacity Test yes Display of SM configuration information at AP AP BHM Home/Session Status yes Display/evaluation of AP beacon data from all receivable APs SM BHS Tools/AP Evaluation yes Over-the-air radio Bit Error Rate (BER) indicator All radios Tools/BER Results yes Aim/Link Quality Features Issue 2, November 2007 Draft 5 for Regulatory Review 112 Release 8 Overview of Canopy Networks Frame Tool Feature Module Type(s) Controlled in GUI Page/Tab SNMP Control Frame calculator for supporting collocation All radios Tools/Frame Calculator no Personal Digital Assistant (PDA) Interface Features Module Type(s) Controlled in GUI Page/Tab SNMP Control GUI automatically sized/styled for PDA when displayed on a PDA All radios all no Spectrum analyzer display for PDA All radios PDA/Spectrum Results (PDA) no Specific pages for PDA display All radios PDA no SNMP Interface Features Module Type(s) Controlled in GUI Page/Tab SNMP Control Support of SNMP v2 All modules no no Canopy Enterprise MIB All modules no no Configurable SNMP community string All radios Configuration/SNMP yes Configurable SNMP accessing subnet All radios Configuration/SNMP yes 10 configurable SNMP trap addresses All radios Configuration/SNMP yes Configurable traps (sync and session) All radios Configuration/SNMP yes Configurable SNMP permissions (read, read/write) All radios Configuration/SNMP yes Configurable site information, including site name All modules Configuration/SNMP yes Module Type(s) Controlled in GUI Page/Tab SNMP Control Upgrading using CNUT and SM Auto-update for SMs All modules no no Configurable update address to support distributed software upgrades AP Configuration/General yes AP Cluster Management Features Module Type(s) Controlled in GUI Page/Tab SNMP Control CMM port power control CMMmicro Configuration yes CMM port reset CMMmicro Configuration yes CMM: Sufficient ports for at least 4 AP, 2 BH, plus management CMMmicro no no CMM: Sufficient power for at least 4 AP plus 2 BH CMMmicro no no Powered from 90-264 VAC, 50/60 Hz; 55 V DC power output AP BH no no Upgrade Process Features Issue 2, November 2007 Draft 5 for Regulatory Review 113 Release 8 Overview of Canopy Networks Physical Features Module Type(s) Controlled in GUI Page/Tab SNMP Control MTBF > 45 years (~400 000 hours) All modules no no neg 40 C to + 55 C (Ambient) operation All modules no no Temperature indication All radios Home/General no Non-condensing (Indoor/outdoor), weather protected form factor/packaging All modules no no Element Management System (Prizm) Features Current Prizm to manage all elements of the system (including Mot Backhaul) Up to 1000 APs, plus 100 devices/AP); minimal storage / minimal polling Redundant configuration for additional storage/reporting capability Commercial Off the Shelf (COTS) Platform and OS support (e.g. Intel, Linux, Windows) COTS Database support (e.g. MySQL, PostgreSQL, MS SQL Server, etc..); Oracle optional 10.1 ACTIVATING FEATURES A Canopy feature is active if the software that allows the feature to be turned on or off (enabled or disabled) is present. 10.1.1 Fixed License Keys Some features are activated by loading a fixed license key into the radio. Such a key arrives from Motorola as a filename.url file. When you double-click on this file, your browser opens and the location bar is populated by a lengthy string. This URL string begins with http:///. If you need to load a key into a module whose IP address has changed since Motorola issued the key, perform the following steps. Procedure 1: Modifying a fixed license key for a module IP address 1. Right-click on the license key filename. 2. Select Properties. 3. Select the Web Document tab. 4. At URL, substitute the current IP address for the original IP address in the URL. 5. Click OK. 6. Double-click on the license key filename. RESULT: The key loads into the module. Issue 2, November 2007 Draft 5 for Regulatory Review 114 Release 8 Overview of Canopy Networks 7. Open the Configuration web page of the module. 8. Review parameter settings and enable the feature if you wish to do so at this time (see next section). =========================== end of procedure =========================== 10.2 ENABLING FEATURES A Canopy feature is enabled (functioning) if the feature is both active and enabled. For example, Transmit Frame Spreading is active (can be enabled) in any AP or BHM that operates on Release 8. However, Transmit Frame Spreading functions only if the Enable selection for the Transmit Frame Spreading parameter is checked in the Radio tab of the Configuration web page in the module. Issue 2, November 2007 Draft 5 for Regulatory Review 115 Release 8 Overview of Canopy Networks 11 ACQUIRING PROFICIENCIES Designing and operating a Canopy network requires fundamental knowledge of radio frequency transmission and reception, Internet Protocol addressing schemes, experimentation with Canopy equipment, and for most operators participation in some forms of Canopy training. 11.1 UNDERSTANDING RF FUNDAMENTALS Canopy training and user interfaces presume an understanding of RF fundamentals. Excellent written sources for these fundamentals are available. One such source is Deploying License-Free Wireless Wide-Area Networks by Jack Unger (ISBN 1-58705069-2), published by Cisco Press. 11.2 UNDERSTANDING IP FUNDAMENTALS Canopy training and user interfaces also presume an understanding of Internet Protocol (IP) fundamentals. Excellent written sources for these fundamentals are available. One such source is Sams Teach Yourself TCP/IP in 24 Hours by Joe Casad (ISBN 0-672-32085-1), published by Sams Publishing. NOTE: The default IP address of each Canopy component is 169.254.1.1. 11.3 ACQUIRING A CANOPY DEMONSTRATION KIT Canopy Demonstration Kits are available through your Canopy representative. 11.3.1 900-MHz with Integrated Antenna and Band-pass Filter Demonstration Kit Each 900-MHz with integrated antenna and band-pass filter Demonstration Kit contains ◦ 2 9000SM SMs ◦ 1 9000APF AP ◦ 1 300SS Surge Suppressor ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.2 900-MHz with Connectorized Antenna Demonstration Kit Each 900-MHz with connectorized (external) antenna Demonstration Kit contains ◦ 2 9000SMC SMs Issue 2, November 2007 Draft 5 for Regulatory Review 117 Release 8 Overview of Canopy Networks ◦ 1 9000APC AP ◦ 3 AN900 60° 9-dBi Antennas ◦ 1 300SS Surge Suppressor ◦ 1 SMMB2 Universal Heavy Duty Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.3 2.4-GHz with Adjustable Power Set to Low Demonstration Kit Each 2.4-GHz with adjustable power set to low Demonstration Kit contains ◦ 1 2400SMWL SM ◦ 1 2450SMWL Advantage SM ◦ 1 2450APWL Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.4 2.4-GHz with Adjustable Power Set to High Demonstration Kit Each 2.4-GHz with adjustable power set to high Demonstration Kit contains ◦ 1 2400SM SM ◦ 1 2450SM Advantage SM ◦ 1 2450AP Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. Issue 2, November 2007 Draft 5 for Regulatory Review 118 Release 8 11.3.5 Overview of Canopy Networks 5.1-GHz Demonstration Kit Each 5.1-GHz Demonstration Kit contains ◦ 1 5202SM SM ◦ 1 5252SM Advantage SM ◦ 1 5252AP Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.6 5.2-GHz Demonstration Kit Each 5.2-GHz Demonstration Kit contains ◦ 1 5200SM SM ◦ 1 5250SM Advantage SM ◦ 1 5250AP Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.7 5.4-GHz Demonstration Kit Each 5.4-GHz Demonstration Kit contains ◦ 1 5400SM SM ◦ 1 5450SM Advantage SM ◦ 1 5450AP Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD Issue 2, November 2007 Draft 5 for Regulatory Review 119 Release 8 Overview of Canopy Networks ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.8 5.7-GHz with Integrated Antenna Demonstration Kit Each 5.7-GHz with integrated antenna Demonstration Kit contains ◦ 1 5700SM SM ◦ 1 5750SM Advantage SM ◦ 1 5750AP Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB1 Universal Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.9 5.7-GHz with Connectorized Antenna and Adjustable Power Set to Low Each 5.7-GHz with connectorized antenna and adjustable power set to low Demonstration Kit contains ◦ 1 5700SMC SM ◦ 1 5750SMC Advantage SM ◦ 1 5750APC Advantage AP ◦ 1 300SS Surge Suppressor ◦ 1 SMMB2 Universal Heavy Duty Mounting Bracket ◦ 3 ACPSSW-02 90- to 230-V AC 50- to 60-Hz Power Supplies ◦ 3 CBL-0562 Straight-through Category 5 Cables ◦ 1 UGTK-0002 Trial Kit Quick Start Guide ◦ 1 CPT001-CD02EN Sales Overview on CD ◦ 1 CPT002-CD03EN Technical Overview on CD ◦ 1 CPT003-CD03EN Canopy User Guides on CD Part numbers for Demonstration Kits are provided in Table 27. 11.3.10 Demonstration Kit Part Numbers The part numbers for ordering Canopy demonstration kits are provided in Table 27. Issue 2, November 2007 Draft 5 for Regulatory Review 120 Release 8 Overview of Canopy Networks Table 27: Demonstration Kit part numbers Frequency Band Range Part Number 900 MHz integrated antenna with band-pass filter TK10290 900 MHz connectorized antenna TK10290C 2.4 GHz adjustable power set to low TK10250 2.4 GHz adjustable power set to high TK10251 5.1 GHz TK10253 5.2 GHz TK10252 5.4 GHz TK10254 5.7 GHz TK10257 5.7 GHz connectorized adjustable power set to low TK10257C 11.4 ACQUIRING A CANOPY STARTER KIT Canopy Starter Kits are also available through your Canopy representative. 11.4.1 900-MHz with Integrated Antenna and Band-pass Filter Starter Kit Each 900-MHz with integrated antenna and band-pass filters Starter Kit contains ◦ 20 9000SM SMs ◦ 3 9000APF Advantage APs ◦ 1 1070CK CMMmicro ◦ 21 300SS Surge Suppressors ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies and SM mounting brackets are not included in this kit. Part numbers for Starter Kits are provided in Table 28. Issue 2, November 2007 Draft 5 for Regulatory Review 121 Release 8 11.4.2 Overview of Canopy Networks 900-MHz with Connectorized Antenna Starter Kit Each 900-MHz with connectorized (external) antenna Starter Kit contains ◦ 20 9000SMC SMs ◦ 3 9000APC Advantage APs ◦ 23 AN900 60° 9-dBi Antennas ◦ 1 1070CK CMMmicro ◦ 21 300SS Surge Suppressors ◦ 20 SMMB2 Universal Heavy Duty Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.3 2.4-GHz with Adjustable Power Set to Low Starter Kit Each 2.4-GHz with adjustable power set to low Starter Kit contains ◦ 30 2400SMWL SMs ◦ 6 2450APWL Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.4 2.4-GHz with Adjustable Power Set to High Starter Kit Each 2.4-GHz adjustable power set to high Starter Kit contains ◦ 30 2400SM SMs ◦ 6 2450AP Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. Issue 2, November 2007 Draft 5 for Regulatory Review 122 Release 8 11.4.5 Overview of Canopy Networks 5.1-GHz Starter Kit Each 5.1-GHz adjustable power set to high Starter Kit contains ◦ 30 5202SM SMs ◦ 6 5252AP Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.6 5.2-GHz Starter Kit Each 5.2-GHz Starter Kit contains ◦ 30 5200SM SMs ◦ 6 5250AP Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.7 5.4-GHz Starter Kit Each 5.4-GHz Starter Kit contains ◦ 30 5400SM SMs ◦ 6 5450AP Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD02EN Canopy System User Guide on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. Issue 2, November 2007 Draft 5 for Regulatory Review 123 Release 8 11.4.8 Overview of Canopy Networks 5.7-GHz with Integrated Antenna Starter Kit Each 5.7-GHz with integrated antenna Starter Kit contains ◦ 30 5700SM SMs ◦ 6 5750AP Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.9 5.7-GHz with Connectorized Antenna and Adjustable Power Set to Low Each 5.7-GHz with connectorized antenna and adjustable power set to low Starter Kit contains ◦ 30 5700SMC SMs ◦ 6 5750APC Advantage APs ◦ 1 1070CK CMMmicro ◦ 31 300SS Surge Suppressors ◦ 30 SMMB1 Universal Mounting Brackets ◦ 1 UGSK-0003 Quick Start Guide ◦ 1 CPT003-CD03EN Canopy User Guides on CD Power supplies are not included in this kit. Part numbers for Starter Kits are provided in Table 28. 11.4.10 Starter Kit Part Numbers The part numbers for ordering Canopy Starter kits are provided in Table 28. Table 28: Starter Kit part numbers Issue 2, November 2007 Frequency Band Range Part Number 900 MHz integrated antenna with band-pass filter TK10190 900 MHz connectorized TK10190C 2.4 GHz adjustable power set to low TK10150 2.4 GHz adjustable power set to high TK10151 5.1 GHz TK10153 5.2 GHz TK10152 5.4 GHz TK10154 Draft 5 for Regulatory Review 124 Release 8 Overview of Canopy Networks Frequency Band Range Part Number 5.7 GHz TK10157 5.7 GHz connectorized adjustable power set to low TK10157C 11.5 EVALUATING CANOPY TRAINING OPTIONS Canopy and its distributors make technical training available to customers. For information on this training, either ◦ send email inquiries to training@canopywireless.com. ◦ visit http://www.motorola.com/canopy. Under Contact Us, select Request Product Info, select Product Info, then under Support, select Training. 11.6 ATTENDING ON-LINE KNOWLEDGE SESSIONS Irregularly but often, Canopy presents a knowledge session over the Internet about a new product offering. Some of these knowledge sessions provide the opportunity for participants to interact in real time with the leader of the session. The knowledge session ◦ provides a high-level understanding of the technology that the new product introduces. ◦ announces any subtleties and caveats. ◦ typically includes a demonstration of the product. ◦ is usually recorded for later viewing by those who could not attend in real time. To participate in upcoming knowledge sessions, ask your Canopy representative to ensure that you receive email notifications. Issue 2, November 2007 Draft 5 for Regulatory Review 125 Release 8 Planning Guide PLANNING GUIDE Issue 2, November 2007 Draft 5 for Regulatory Review 127 Release 8 Planning Guide 12 ENGINEERING YOUR RF COMMUNICATIONS Before diagramming network layouts, the wise course is to ◦ anticipate the correct amount of signal loss for your fade margin calculation (as defined below). ◦ recognize all permanent and transient RF signals in the environment. ◦ identify obstructions to line of sight reception. 12.1 ANTICIPATING RF SIGNAL LOSS The C/I (Carrier-to-Interference) ratio defines the strength of the intended signal relative to the collective strength of all other signals. Canopy modules typically do not require a C/I ratio greater than 12.1.1 ◦ 3 dB or less at 10-Mbps modulation and −65 dBm for 1X operation. The C/I ratio that you achieve must be even greater as the received power approaches the nominal sensitivity (−85 dBm for 1X operation). ◦ 10 dB or less at 10-Mbps modulation and −65 dBm for 2X operation. The C/I ratio that you achieve must be even greater as the received power approaches the nominal sensitivity (−79 dBm for 2X operation). ◦ 10 dB or less at 20-Mbps modulation. Understanding Attenuation An RF signal in space is attenuated by atmospheric and other effects as a function of the distance from the initial transmission point. The further a reception point is placed from the transmission point, the weaker is the received RF signal. 12.1.2 Calculating Free Space Path Loss The attenuation that distance imposes on a signal is the free space path loss. PathLossCalcPage.xls calculates free space path loss. 12.1.3 Calculating Rx Signal Level The Rx sensitivity of each module is provided at http://motorola.canopywireless.com/prod_specs.php. The determinants in Rx signal level are illustrated in Figure 31. Issue 2, November 2007 Draft 5 for Regulatory Review 129 Release 8 Planning Guide Tx antenna gain Rx antenna gain free space signal Tx cable loss Rx cable loss distance Rx signal level Tx power receiver or amplifier Transmitter transmitter or Amplifier amplifier Figure 31: Determinants in Rx signal level Rx signal level is calculated as follows: Rx signal level dB = Tx power − Tx cable loss + Tx antenna gain − free space path loss + Rx antenna gain − Rx cable loss NOTE: This Rx signal level calculation presumes that a clear line of sight is established between the transmitter and receiver and that no objects encroach in the Fresnel zone. 12.1.4 Calculating Fade Margin Free space path loss is a major determinant in Rx (received) signal level. Rx signal level, in turn, is a major factor in the system operating margin (fade margin), which is calculated as follows: system operating margin (fade margin) dB =Rx signal level dB − Rx sensitivity dB Thus, fade margin is the difference between strength of the received signal and the strength that the receiver requires for maintaining a reliable link. A higher fade margin is characteristic of a more reliable link. Issue 2, November 2007 Draft 5 for Regulatory Review 130 Release 8 Planning Guide 12.2 ANALYZING THE RF ENVIRONMENT An essential element in RF network planning is the analysis of spectrum usage and the strength of the signals that occupy the spectrum you are planning to use. Regardless of how you measure and log or chart the results you find (through the Spectrum Analyzer in SM and BHS feature or by using a spectrum analyzer), you should do so ◦ at various times of day. ◦ on various days of the week. ◦ periodically into the future. As new RF neighbors move in or consumer devices in your spectrum proliferate, this will keep you aware of the dynamic possibilities for interference with your network. 12.2.1 Mapping RF Neighbor Frequencies Canopy modules allow you to ◦ use an SM or BHS (or a BHM reset to a BHS), or an AP that is temporarily transformed into an SM, as a spectrum analyzer. ◦ view a graphical display that shows power level in RSSI and dBm at 5-MHz increments throughout the frequency band range, regardless of limited selections in the Custom Radio Frequency Scan Selection List parameter of the SM. ◦ select an AP channel that minimizes interference from other RF equipment. The SM measures only the spectrum of its manufacture. So if, for example, you wish to analyze an area for both 2.4- and 5.7-GHz activity, take both a 2.4- and 5.7-GHz SM to the area. To enable this functionality, perform the following steps: CAUTION! The following procedure causes the SM to drop any active RF link. If a link is dropped when the spectrum analysis begins, the link can be re-established when either a 15-minute interval has elapsed or the spectrum analyzer feature is disabled. Procedure 2: Analyzing the spectrum 1. Predetermine a power source and interface that will work for the SM or BHS in the area you want to analyze. 2. Take the SM or BHS, power source, and interface device to the area. 3. Access the Tools web page of the SM or BHS. RESULT: The Tools page opens to its Spectrum Analyzer tab. An example of this tab is shown in Figure 137. 4. Click Enable. RESULT: The feature is enabled. 5. Click Enable again. RESULT: The system measures RSSI and dBm for each frequency in the spectrum. Issue 2, November 2007 Draft 5 for Regulatory Review 131 Release 8 Planning Guide 6. Travel to another location in the area. 7. Click Enable again. RESULT: The system provides a new measurement of RSSI and dBm for each frequency in the spectrum. NOTE: Spectrum analysis mode times out 15 minutes after the mode was invoked. 8. Repeat Steps 6 and 7 until the area has been adequately scanned and logged. =========================== end of procedure ====================== As with any other data that pertains to your business, a decision today to put the data into a retrievable database may grow in value to you over time. RECOMMENDATION: Wherever you find the measured noise level is greater than the sensitivity of the radio that you plan to deploy, use the noise level (rather than the link budget) for your link feasibility calculations. 12.2.2 Anticipating Reflection of Radio Waves In the signal path, any object that is larger than the wavelength of the signal can reflect the signal. Such an object can even be the surface of the earth or of a river, bay, or lake. The wavelength of the signal is approximately ◦ 2 inches for 5.2- and 5.7-GHz signals. ◦ 5 inches for 2.4-GHz signals. ◦ 12 inches for 900-MHz signals. A reflected signal can arrive at the antenna of the receiver later than the non-reflected signal arrives. These two or more signals cause the condition known as multipath. When multipath occurs, the reflected signal cancels part of the effect of the non-reflected signal so, overall, attenuation beyond that caused by link distance occurs. This is problematic at the margin of the link budget, where the standard operating margin (fade margin) may be compromised. 12.2.3 Noting Possible Obstructions in the Fresnel Zone The Fresnel (pronounced fre·NEL) Zone is a theoretical three-dimensional area around the line of sight of an antenna transmission. Objects that penetrate this area can cause the received strength of the transmitted signal to fade. Out-of-phase reflections and absorption of the signal result in signal cancellation. The foliage of trees and plants in the Fresnel Zone can cause signal loss. Seasonal density, moisture content of the foliage, and other factors such as wind may change the amount of loss. Plan to perform frequent and regular link tests if you must transmit though foliage. 12.2.4 Radar Signature Detection and Shutdown With Release 8.1, Canopy meets ETSI EN 301 893 v1.2.3 for Dynamic Frequency Selection (DFS). DFS is a requirement in certain countries of the EU for systems like Canopy to detect interference from other systems, notably radar systems, and to avoid co-channel operation with these systems. All 5.4 GHz modules and all 5.7 GHz Issue 2, November 2007 Draft 5 for Regulatory Review 132 Release 8 Planning Guide Connectorized modules running Release 8.1 have DFS. Other modules running Release 8.1 do not. With Release 8.1, Canopy SMs and BHSs as well as Canopy APs and BHMs will detect radar systems. When an AP or BHM enabled for DFS boots, it receives for 1 minute, watching for the radar signature, without transmitting. If no radar pulse is detected during this minute, the module then proceeds to normal beacon transmit mode. If it does detect radar, it waits for 30 minutes without transmitting, then watches the 1 minute, and will wait again if it detects radar. If while in operation, the AP or BHM detects the radar signature, it will cease transmitting for 30 minutes and then begin the 1 minute watch routine. Since an SM or BHS only transmits if it is receiving beacon from an AP or BHM, the SMs in the sector or BHS are also not transmitting when the AP or BHM is not transmitting. When an SM or BHS with DFS boots, it scans to see if an AP or BHM is present (if it can detect a Canopy beacon). If an AP or BHM is found, the SM or BHS receives on that frequency for 1 minute to see if the radar signature is present. For an SM, if no radar pulse is detected during this 1 minute, the SM proceeds through normal steps to register to an AP. For a BHS, if no radar pulse is detected during this 1 minute, it registers, and as part of registering and ranging watches for the radar signature for another 1 minute. If the SM or BH does detect radar, it locks out that frequency for 30 minutes and continues scanning other frequencies in its scan list. Note, after an SM or BHS has seen a radar signature on a frequency and locked out that frequency, it may connect to a different AP or BHM, if color codes, transmitting frequencies, and scanned frequencies support that connection. For all modules, the module displays its DFS state on its General Status page. You can read the DFS status of the radio in the General Status tab of the Home page as one of the following: ◦ Normal Transmit ◦ Radar Detected Stop Transmitting for n minutes, where n counts down from 30 to 1. ◦ Checking Channel Availability Remaining time n seconds, where n counts down from 60 to 1. This indicates that a 30-minute shutdown has expired and the one-minute re-scan that follows is in progress. DFS can be enabled or disabled on a module’s Radio page: Configuration > Radio > DFS. Operators in countries with regulatory requirements for DFS must not disable the feature and must ensure it is enabled after a module is reset to factory defaults. Operators in countries without regulatory requirements for DFS will most likely not want to use the feature, as it adds no value if not required, and adds an additional 1 minute to the connection process for APs, BHMs, and SMs, and 2 minutess for BHSs. − Issue 2, November 2007 Draft 5 for Regulatory Review 133 Release 8 Planning Guide RECOMMENDATION: Where regulations require that radar sensing and radio shutdown is enabled, you can most effectively share the spectrum with satellite services if you perform spectrum analysis and select channels that are distributed evenly across the frequency band range. A connectorized 5.7-GHz module provides an Antenna Gain parameter. When you indicate the gain of your antenna in this field, the algorithm calculates the appropriate sensitivity to radar signals, and this reduces the occurrence of false positives (wherever the antenna gain is less than the maximum). 12.3 USING JITTER TO CHECK RECEIVED SIGNAL QUALITY (CANOPY FSK ONLY) The General Status tab in the Home page of the Canopy SM and BHS displays current values for Jitter, which is essentially a measure of interference. Interpret the jitter value as indicated in Table 29. Table 29: Signal quality levels indicated by jitter Correlation of Highest Seen Jitter to Signal Quality Signal Modulation High Quality Questionable Quality Poor Quality 1X operation (2-level FSK) 0 to 4 5 to 14 15 2X operation (4-level FSK) 0 to 9 10 to 14 15 In your lab, an SM whose jitter value is constant at 14 may have an incoming packet efficiency of 100%. However, a deployed SM whose jitter value is 14 is likely to have even higher jitter values as interfering signals fluctuate in strength over time. So, do not consider 14 to be acceptable. Avoiding a jitter value of 15 should be the highest priority in establishing a link. At 15, jitter causes fragments to be dropped and link efficiency to suffer. Canopy modules calculate jitter based on both interference and the modulation scheme. For this reason, values on the low end of the jitter range that are significantly higher in 2X operation can still be indications of a high quality signal. For example, where the amount of interference remains constant, an SM with a jitter value of 3 in 1X operation can display a jitter value of 7 when enabled for 2X operation. However, on the high end of the jitter range, do not consider the higher values in 2X operation to be acceptable. This is because 2X operation is much more susceptible to problems from interference than is 1X. For example, where the amount of interference remains constant, an SM with a jitter value of 6 in 1X operation can display a jitter value of 14 when enabled for 2X operation. As indicated in Table 29, these values are unacceptable. Canopy OFDM uses a different modulation scheme and does not display a jitter value. Issue 2, November 2007 Draft 5 for Regulatory Review 134 Release 8 Planning Guide 12.4 USING LINK EFFICIENCY TO CHECK RECEIVED SIGNAL QUALITY A link test, available in the Link Capacity Test tab of the Tools web page in an AP or BH, provides a more reliable indication of received signal quality, particularly if you launch tests of varying duration. However, a link test interrupts traffic and consumes system capacity, so do not routinely launch link tests across your networks. 12.4.1 Comparing Efficiency in 1X Operation to Efficiency in 2X Operation Efficiency of at least 98 to 100% indicates a high quality signal. Check the signal quality numerous times, at various times of day and on various days of the week (as you checked the RF environment a variety of times by spectrum analysis before placing radios in the area). Efficiency less than 90% in 1X operation or less than 60% in 2X operation indicates a link with problems that require action. 12.4.2 When to Switch from 2X to 1X Operation Based on 60% Link Efficiency In the above latter case (60% in 2X operation), the link experiences worse latency (from packet resends) than it would in 1X operation, but still greater capacity, if the link remains stable at 60% Efficiency. Downlink Efficiency and Uplink Efficiency are measurements produced by running a link test from either the SM or the AP. Examples of what action should be taken based on Efficiency in 2X operation are provided in Table 30. Table 30: Recommended courses of action based on Efficiency in 2X operation Module Types Advantage AP with Advantage SM Further Investigation Result Recommended Action Check the General Status tab of the Advantage SM. See Checking the Status of 2X Operation on Page 91. Uplink and downlink are both ≥60% Efficiency. Rerun link tests. Rerun link tests. Uplink and downlink are both ≥60% Efficiency. Optionally, re-aim SM, add a reflector, or otherwise mitigate interference. In any case, continue 2X operation up and down. Issue 2, November 2007 Draft 5 for Regulatory Review 135 Release 8 Module Types Planning Guide Further Investigation Check the General Status tab of the Canopy SM. See Checking the Status of 2X Operation on Page 91. Result Recommended Action Uplink and downlink are both ≥60% Efficiency. Rerun link tests. Uplink and downlink are both ≥60% Efficiency. Optionally, re-aim SM, add a reflector, or otherwise mitigate interference. In any case, continue 2X operation up and down. Results are inconsistent and range from 20% to 80% Efficiency. Monitor the Session Status tab in the Advantage AP. Monitor the Session Status tab in the Advantage AP. Link fluctuates between 2X and 1X operation. Optionally, re-aim SM, add a reflector, or otherwise mitigate interference. Then rerun link tests. Rerun link tests. No substantial improvement with consistency is seen. On the General tab of the SM, disable 2X operation. Then rerun link tests. Rerun link tests. Uplink and downlink are both ≥90% Efficiency. Continue 1X operation up and down. Rerun link tests. Advantage AP with Canopy SM NOTES: 1. Or check Session Status page of the Advantage AP, where a sum of greater than 7,000,000 bps for the up- and downlink indicates 2X operation up and down (for 2.4- or 5.x-GHz modules. 2. For throughput to the SM, this is equivalent to 120% Efficiency in 1X operation, with less capacity used at the AP. 3. This link is problematic. 12.5 CONSIDERING FREQUENCY BAND ALTERNATIVES For 5.2-, 5.4-, and 5.7-GHz modules, 20-MHz wide channels are centered every 5 MHz. For 2.4-GHz modules, 20-MHz wide channels are centered every 2.5 MHz. For Canopy OFDM, the operator can configure center channel frequencies of the 10 MHz channels with a granularity of 0.5 MHz.This allows the operator to customize the channel layout for interoperability where other Canopy equipment is collocated. Cross-band deployment of APs and BH is the recommended alternative (for example, a 5.2-GHz AP collocated with 5.7-GHz BH). IMPORTANT! In all cases, channel center separation between collocated Canopy FSK modules should be at least 20 MHz for 1X operation and 25 MHz for 2X. For Canopy OFDM, channel center separation between collocated modules should be at least XX MHz for 1X operation, XX for 2 X operation, and XX for 3X operation. Issue 2, November 2007 Draft 5 for Regulatory Review 136 Release 8 12.5.1 Planning Guide 900-MHz Channels 900-MHz AP Available Channels A 900-MHz AP can operate with its 8-MHz wide channel centered on any of the following frequencies: 906 907 908 (All Frequencies in MHz) 909 912 915 918 922 910 913 916 919 923 911 914 917 920 924 900-MHz AP Cluster Recommended Channels Three non-overlapping channels are recommended for use in a 900-MHz AP cluster: (All Frequencies in MHz) 906 915 924 This recommendation allows 9 MHz of separation between channel centers. You can use the Spectrum Analysis feature in an SM, or use a standalone spectrum analyzer, to evaluate the RF environment. In any case, ensure that the 8-MHz wide channels you select do not overlap. 12.5.2 2.4-GHz Channels 2.4-GHz BHM and AP Available Channels A 2.4-GHz BHM or AP can operate with its 20-MHz wide channel centered on any of the following channels, which are separated by only 2.5-MHz increments. (All Frequencies in GHz) 2.4150 2.4275 2.4400 2.4525 2.4175 2.4300 2.4425 2.4550 2.4200 2.4325 2.4450 2.4575 2.4225 2.4350 2.4475 2.4250 2.4375 2.4500 The center channels of adjacent 2.4-GHz APs should be separated by at least 20 MHz. 2.4-GHz AP Cluster Recommended Channels Three non-overlapping channels are recommended for use in a 2.4-GHz AP cluster: (All Frequencies in GHz) 2.4150 2.4350 2.4575 This recommendation allows 20 MHz of separation between one pair of channels and 22.5 MHz between the other pair. You can use the Spectrum Analysis feature in an SM or BHS, or use a standalone spectrum analyzer, to evaluate the RF environment. Where spectrum analysis identifies risk of interference for any of these channels, you can compromise this recommendation as follows: ◦ Select 2.4375 GHz for the middle channel ◦ Select 2.455 GHz for the top channel ◦ Select 2.4175 GHz for the bottom channel Issue 2, November 2007 Draft 5 for Regulatory Review 137 Release 8 Planning Guide In any case, ensure that your plan allows at least 20 MHz of separation between channels. 12.5.3 5.2-GHz Channels Channel selections for the AP in the 5.2-GHz frequency band range depend on whether the AP is deployed in cluster. 5.2-GHz BH and Single AP Available Channels A BH or a single 5.2-GHz AP can operate in the following channels, which are separated by 5-MHz increments. (All Frequencies in GHz) 5.275 5.280 5.285 5.290 5.295 5.300 5.305 5.310 5.315 5.320 5.325 The center channels of adjacent APs should be separated by at least 20 MHz. However, 25 MHz of separation is advised, especially for Advantage APs to take advantage of 2X operation. 5.2-GHz AP Cluster Recommended Channels Three non-overlapping channels are recommended for use in a 5.2-GHz AP cluster: (All Frequencies in GHz) 5.275 5.300 5.325 12.5.4 5.4-GHz Channels Channel selections for the AP in the 5.4-GHz frequency band range depend on whether the AP is deployed in cluster. 5.4-GHz BH and Single AP Available A BH or single 5.4-GHz AP can operate in the following channels, which are separated by 5-MHz. 5495 5500 5505 5510 5515 5520 5525 5530 5535 5540 5545 5550 5555 5560 5565 5570 (All Frequencies in GHz) 5575 5595 5615 5580 5600 5620 5585 5605 5625 5590 5610 5630 5635 5640 5645 5650 5655 5660 5665 5670 5675 5680 5685 5690 5695 5700 5705 The channels of adjacent APs should be separated by at least 20 MHz, especially for Advantage APs to take advantage of 2X operation. 5.4-GHz AP Cluster Recommended Channels The fully populated cluster requires only three channels, each reused by the module that is mounted 180° opposed. In this frequency band range, the possible sets of three nonoverlapping channels are numerous. As many as 11 non-overlapping 20-MHz wide channels are available for 1X operation. Fewer 25-MHz wide channels are available for 2X operation, where this greater separation is recommended for interference avoidance. Issue 2, November 2007 Draft 5 for Regulatory Review 138 Release 8 Planning Guide 5.4-GHz AP Cluster Limit Case In the limit, the 11 channels could support all of the following, vertically stacked on the same mast: ◦ 3 full clusters, each cluster using 3 channels ◦ a set of 4 APs, the set using the 2 channels that no AP in any of the 3 full clusters is using IMPORTANT! Where regulations require you to have Dynamic Frequency Selection (DFS) enabled, analyze the spectrum, then spread your channel selections as evenly as possible throughout this frequency band range, appropriately sharing it with satellite services. 12.5.5 5.4-GHz OFDM Channels Channel selections for the Canopy OFDM AP in the 5.4-GHz frequency band range depend on whether the AP is deployed in cluster. 5.4-GHz BH and Single AP Available OFDM modules are configured by the operator for channels, using the Configuration => Custom Frequencies page. The channels of adjacent APs should be separated by at least XX MHz, especially for APs to take advantage of 3X operation. 5.4-GHz AP Cluster Recommended Channels The fully populated cluster may be configured for two or four channels. If configured for two channels, each channel is reused by the module that is mounted 180° opposed. The modules are pre-configured with channels which can be used as a starting point for selecting the two or four for use in a full 4 AP cluster. 12.5.6 5.7-GHz Channels Channel selections for the AP in the 5.7-GHz frequency band range depend on whether the AP is deployed in cluster. 5.7-GHz BH and Single AP Available Channels A BH or a single 5.7-GHz AP enabled for frequencies can operate in the following channels, which are separated by 5-MHz increments. (All Frequencies in GHz) 5.735 5.765 5.795 5.825 5.740 5.770 5.800 5.830 5.745 5.775 5.805 5.835 5.750 5.780 5.810 5.840 5.755 5.785 5.815 5.760 5.790 5.820 Issue 2, November 2007 Draft 5 for Regulatory Review 139 Release 8 Planning Guide The channels of adjacent APs should be separated by at least 20 MHz. However, 25 MHz of separation is advised, especially for Advantage APs to take advantage of 2X operation. 5.7-GHz AP Cluster Recommended Channels Six non-overlapping channels are recommended for use in 5.7-GHz AP clusters: (All Frequencies in GHz) 5.735 5.775 5.815 5.755 5.795 5.835 The fully populated cluster requires only three channels, each reused by the module that is mounted 180° offset. The six channels above are also used for backhaul point-to-point links. As noted above, a 5.7-GHz AP can operate on a frequency as high as 5.840 GHz. Where engineering plans allow, this frequency can be used to provide an additional 5-MHz separation between AP and BH channels. 12.5.7 Channels Available for PTP 400 and PTP 600 radios Channel selections for radios in the PTP400 and PTP 600 series are quoted in the user guides that are dedicated to those products. However, these units dynamically change channels when the signal substantially degrades. Since the available channels are in the 5.4- and 5.7-GHz frequency band ranges, carefully consider the potential effects of deploying these products into an environment where traffic in this range pre-exists. 12.5.8 Example Channel Plans for AP Clusters Examples for assignment of frequency channels and sector IDs are provided in the following tables. Each frequency is reused on the sector that is at a 180° offset. The entry in the Symbol column of each table refers to the layout in Figure 32 on Page 142. NOTE: The operator specifies the sector ID for the module as described under Sector ID on Page 437. Table 31: Example 900-MHz channel assignment by sector Direction of Access Point Sector Frequency Sector ID Symbol North (0°) 906 MHz Northeast (60°) 915 MHz Southeast (120°) 924 MHz South (180°) 906 MHz Southwest (240°) 915 MHz Northwest (300°) 924 MHz Issue 2, November 2007 Draft 5 for Regulatory Review 140 Release 8 Planning Guide Table 32: Example 2.4-GHz channel assignment by sector Direction of Access Point Sector Frequency Sector ID Symbol North (0°) 2.4150 GHz Northeast (60°) 2.4350 GHz Southeast (120°) 2.4575 GHz South (180°) 2.4150 GHz Southwest (240°) 2.4350 GHz Northwest (300°) 2.4575 GHz Table 33: Example 5.2-GHz channel assignment by sector Direction of Access Point Sector Frequency North (0°) Sector ID Symbol 5.275 GHz Northeast (60°) 5.300 GHz Southeast (120°) 5.325 GHz South (180°) 5.275 GHz Southwest (240°) 5.300 GHz Northwest (300°) 5.325 GHz Table 34: Example 5.4-GHz channel assignment by sector Direction of Access Point Sector Frequency North (0°) Sector ID Symbol 5.580 GHz Northeast (60°) 5.620 GHz Southeast (120°) 5.660 GHz South (180°) 5.580 GHz Southwest (240°) 5.620 GHz Northwest (300°) 5.660 GHz Issue 2, November 2007 Draft 5 for Regulatory Review 141 Release 8 Planning Guide Table 35: Example 5.7-GHz channel assignment by sector 12.5.9 Direction of Access Point Sector Frequency North (0°) Sector ID Symbol 5.735 GHz Northeast (60°) 5.755 GHz Southeast (120°) 5.775 GHz South (180°) 5.735 GHz Southwest (240°) 5.755 GHz Northwest (300°) 5.775 GHz Multiple Access Points Clusters When deploying multiple AP clusters in a dense area, consider aligning the clusters as shown in Figure 32. However, this is only a recommendation. An installation may dictate a different pattern of channel assignments. Figure 32: Example layout of 7 Access Point clusters 12.6 SELECTING SITES FOR NETWORK ELEMENTS The Canopy APs must be positioned Issue 2, November 2007 Draft 5 for Regulatory Review 142 Release 8 Planning Guide ◦ with hardware that the wind and ambient vibrations cannot flex or move. ◦ where a tower or rooftop is available or can be erected. ◦ where a grounding system is available. ◦ with lightning arrestors to transport lightning strikes away from equipment. ◦ at a proper height: − higher than the tallest points of objects immediately around them (such as trees, buildings, and tower legs). − at least 2 feet (0.6 meters) below the tallest point on the tower, pole, or roof (for lightning protection). ◦ away from high-RF energy sites (such as AM or FM stations, high-powered antennas, and live AM radio towers). ◦ in line-of-sight paths − to the SMs and BH. − that will not be obstructed by trees as they grow or structures that are later built. NOTE: Visual line of sight does not guarantee radio line of sight. 12.6.1 Resources for Maps and Topographic Images Mapping software is available from sources such as the following: ◦ http://www.microsoft.com/streets/default.asp − ◦ Microsoft Streets & Trips (with Pocket Streets) http://www.delorme.com/software.htm − DeLorme Street Atlas USA − DeLorme Street Atlas USA Plus − DeLorme Street Atlas Handheld Topographic maps are available from sources such as the following: ◦ ◦ http://www.delorme.com/software.htm − DeLorme Topo USA − DeLorme 3-D TopoQuads http://www.usgstopomaps.com − Timely Discount Topos, Inc. authorized maps Topographic maps with waypoints are available from sources such as the following: ◦ http://www.topografix.com − TopoGrafix EasyGPS − TopoGrafix Panterra Issue 2, November 2007 Draft 5 for Regulatory Review 143 Release 8 Planning Guide − TopoGrafix ExpertGPS Topographic images are available from sources such as the following: ◦ http://www.keyhole.com/body.php?h=products&t=keyholePro − ◦ http://www.digitalglobe.com − 12.6.2 keyhole PRO various imagery Surveying Sites Factors to survey at potential sites include 12.6.3 ◦ what pre-existing wireless equipment exists at the site. (Perform spectrum analysis.) ◦ whether available mounting positions exist near the lowest elevation that satisfies line of site, coverage, and other link criteria. ◦ whether you will always have the right to decide who climbs the tower to install and maintain your equipment, and whether that person or company can climb at any hour of any day. ◦ whether you will have collaborative rights and veto power to prevent interference to your equipment from wireless equipment that is installed at the site in the future. ◦ whether a pre-existing grounding system (path to Protective Earth ) exists, and what is required to establish a path to it. ◦ who is permitted to run any indoor lengths of cable. Assuring the Essentials In the 2.4-, 5.2-, 5.4-, and 5.7-GHz frequency band ranges, an unobstructed line of sight (LOS) must exist and be maintainable between the radios that are involved in each link. Line of Sight (LOS) Link In these ranges, a line of sight link is both ◦ an unobstructed straight line from radio to radio. ◦ an unobstructed zone surrounding that straight line. Fresnel Zone Clearance An unobstructed line of sight is important, but is not the only determinant of adequate placement. Even where the path has a clear line of sight, obstructions such as terrain, vegetation, metal roofs, or cars may penetrate the Fresnel zone and cause signal loss. Figure 33 illustrates an ideal Fresnel zone. Fresnel zone receiver transmitter Transmitter or Amplifier Issue 2, November 2007 Draft 5 for Regulatory Review 144 Release 8 Planning Guide Figure 33: Fresnel zone FresnelZoneCalcPage.xls calculates the Fresnel zone clearance that is required between the visual line of sight and the top of an obstruction that would protrude into the link path. Non-Line of Sight (NLOS) Link The Canopy 900-MHz modules have a line of sight (LOS) range of 40 miles (more than 64 km) and greater non-line of sight (NLOS) range than Canopy modules of other frequency bands. NLOS range depends on RF considerations such as foliage, topography, obstructions. 12.6.4 Finding the Expected Coverage Area The transmitted beam in the vertical dimension covers more area beyond than in front of the beam center. BeamwidthRadiiCalcPage.xls calculates the radii of the beam coverage area. 12.6.5 Clearing the Radio Horizon Because the surface of the earth is curved, higher module elevations are required for greater link distances. This effect can be critical to link connectivity in link spans that are greater than 8 miles (12 km). AntennaElevationCalcPage.xls calculates the minimum antenna elevation for these cases, presuming no landscape elevation difference from one end of the link to the other. 12.6.6 Calculating the Aim Angles The appropriate angle of AP downward tilt is derived from both the distance between transmitter and receiver and the difference in their elevations. DowntiltCalcPage.xls calculates this angle. The proper angle of tilt can be calculated as a factor of both the difference in elevation and the distance that the link spans. Even in this case, a plumb line and a protractor can be helpful to ensure the proper tilt. This tilt is typically minimal. The number of degrees to offset (from vertical) the mounting hardware leg of the support tube is equal to the angle of elevation from the lower module to the higher module (140,000 25 >35,000 >50 >20,000 >80 >8,500 At peak, more than one-half of all surges due to direct lightning strikes exceed 20,000 amps. However, only one-quarter exceed 35,000 amps, and less than two percent exceed 140,000 amps. Thus, the recommended Surge Suppressor (300SS) provides a degree of lightning protection to electronic devices inside a dwelling. Summary of Grounding Recommendations Motorola recommends that you ground each SM as follows: ◦ Extend the SM mounting bracket extend to the top of the SM or higher. ◦ Ground the SM mounting bracket via a 10-AWG (6 mm ) copper wire connected by the most direct path either to an eight foot-deep ground rod or to the ground bonding point of the AC power service utility entry. This provides the best assurance that ◦ − lightning takes the ground wire route − the ground wire does not fuse open − your grounding system complies with NEC 810-15. Ground the Canopy Surge Suppressor 300SS or 600SS ground lug to the same ground bonding point as above, using at least a 10-AWG (6 mm ) copper wire. This provides the best assurance that your grounding system complies with NEC 810-21. Issue 2, November 2007 Draft 5 for Regulatory Review 172 Release 8 Installation and Configuration Guide Grounding Scheme The proper overall antenna grounding scheme per the NEC is illustrated in Figure 128 on Page 345. In most television antenna or dish installations, a coaxial cable connects the outdoor electronics with the indoor electronics. To meet NEC 810-20, one typically uses a coaxial cable feed-through block that connects the outdoor coax to the indoor coax and also has a screw for attaching a ground wire. This effectively grounds the outer shield of the coax. The block should be mounted on the outside of the building near the AC main panel such that the ground wire of the block can be bonded to the primary grounding electrode system of the structure. For residential installs, in most cases an outdoor rated unshielded twisted pair (UTP) cable is sufficient. To comply with the NEC, Motorola provides the antenna discharge unit, 300SS or 600SS, for each conductor of the cable. The surge suppressor must be ◦ ◦ positioned − outside the building. − as near as practicable to the power service entry panel of the building and attached to the AC main power ground electrode, or attached to a grounded water pipe. − far from combustible material. grounded in accordance with NEC 810-21, with the grounding wire attached to the screw terminal. The metal structural elements of the antenna mast also require a separate grounding conductor. Section 810-15 of the NEC states: Masts and metal structures supporting antennas shall be grounded in accordance with Section 810-21. As shown in Figure 128 on Page 345, the Motorola recommendation for grounding the metal structural element of the Canopy mounting bracket (SMMB1) is to route the grounding wire from the SMMB1 down to the same ground attachment point as is used for the 300SS discharge unit. Use 10-AWG (6 mm ) Copper Grounding Wire According to NEC 810-21 3(h), either a 16-AWG copper clad steel wire or a 10-AWG copper wire may be used. This specification appears to be based on mechanical strength considerations and not on lightning current handling capabilities. For example, analysis shows that the two wire types are not equivalent when carrying a lightning surge that has a 1-microsecond rise by 65-microsecond fall: ◦ The 16-AWG copper clad steel wire has a peak fusing current of 35,000 amps and can carry 21,000 amps peak, at a temperature just below the ignition point for paper (454° F or 234° C). ◦ The 10-AWG copper wire has a peak fusing current of 220,000 amps and can carry 133,000 amps peak, at the same temperature. It is insufficient to merely use the green wire ground in a duplex electrical outlet box for grounding of the antenna discharge unit. Issue 2, November 2007 Draft 5 for Regulatory Review 173 Release 8 Installation and Configuration Guide Based on the electrical/thermal analysis of these wires, Motorola recommends 10-AWG copper wire for all grounding conductors. Although roughly double the cost of 16-AWG copper clad steel wire, 10-AWG copper wire handles six times the surge current from lightning. Shielding is not Grounding In part, NEC 810-21 states: A lightning arrester is not required if the lead-in conductors are enclosed in a continuous metal shield, such as rigid or intermediate metal conduit, electrical metallic tubing, or any metal raceway or metal-shielded cable that is effectively grounded. A lightning discharge will take the path of lower impedance and jump from the lead-in conductors to the metal raceway or shield rather than take the path through the antenna coil of the receiver. However, Motorola does not recommend relying on shielded twisted pair cable for lightning protection for the following reasons: ◦ Braid-shielded 10Base-T cable is uncommon, if existent, and may be unsuitable anyway. ◦ At a cost of about two-thirds more than 10-AWG copper UTP, CAT 5 100Base-TX foil-shielded twisted pair (FTP) cable provides a 24-AWG drain wire. If this wire melts open during a lightning surge, then the current may follow the twisted pair into the building. More than 80 percent of all direct lightning strikes have current that exceeds 8,500 amps (see Table 39 on Page 172). A 24-AWG copper wire melts open at 8,500 amps from a surge that has a 1-microsecond by 70-microsecond waveform. Hence, reliance on 24-AWG drain wire to comply with the intent of NEC 810-21 is questionable. Shielded twisted pair cable may be useful for mitigation of interference in some circumstances, but installing surge suppressors and implementing the ground recommendations constitute the most effective mitigation against lightning damage. NEC Reference NEC Article 810, Radio and Television Equipment, and associated documents and discussions are available from http://www.neccode.com/index.php?id=homegeneral, http://www.constructionbook.com/xq/ASP/national-electrical-code-2005/id.370/subID.746/qx/default2.htm, and other sources. 15.3 CONFORMING TO REGULATIONS For all electrical purposes, ensure that your network conforms to applicable country and local codes, such as the NEC (National Electrical Code) in the US. If you are uncertain of code requirements, engage the services of a licensed electrician. 15.4 PROTECTING CABLES AND CONNECTIONS Cables that move in the wind can be damaged, impart vibrations to the connected device, or both. At installation time, prevent these problems by securing all cables with cable ties, cleats, or PVC tape. Issue 2, November 2007 Draft 5 for Regulatory Review 174 Release 8 Installation and Configuration Guide Over time, moisture can cause a cable connector to fail. You can prevent this problem by ◦ using cables that are filled with a dielectric gel or grease. ◦ including a drip loop where the cable approach to the module (typically a CMM2 or CMMmicro) is from above. ◦ wrapping the cable with weather-resistant tape. On a module with an external antenna, use accepted industry practices to wrap the connector to prevent water ingress. Although the male and female N-type connectors form a gas-tight seal with each other, the point where the cable enters each connector can allow water ingress and eventual corrosion. Wrapping and sealing is critical to longterm reliability of the connection. Possible sources of material to seal that point include ◦ the antenna manufacturer (material may have been provided in the package with the antenna). ◦ Universal Electronics (whose web site is http://www.coaxseal.com), who markets a weather-tight wrap named Coax-Seal. Perform the following steps to wrap the cable. Procedure 4: Wrapping the cable 1. Start the wrap on the cable 0.5 to 2 inches (about 1.5 to 5 cm) from the connection. 2. Wrap the cable to a point 0.5 to 2 inches (about 1.5 to 5 cm) above the connection. 3. Squeeze the wrap to compress and remove any trapped air. 4. Wrap premium vinyl electrical tape over the first wrap where desired for abrasion resistance or appearance. 5. Tie the cable to minimize sway from wind. =========================== end of procedure ====================== Issue 2, November 2007 Draft 5 for Regulatory Review 175 Release 8 Installation and Configuration Guide 16 TESTING THE COMPONENTS The best practice is to connect all components—BHs, APs, GPS antenna, and CMM2 or CMMmicro—in a test setting and initially configure and verify them before deploying them to an installation. In this way, any configuration issues are worked out before going onsite, on a tower, in the weather, where the discovery of configuration issues or marginal hardware is more problematic and work-flow affecting. 16.1 UNPACKING COMPONENTS When you receive Canopy products, carefully inspect all shipping boxes for signs of damage. If you find damage, immediately notify the transportation company. As you unpack the equipment, verify that all the components that you ordered have arrived. Save all the packing materials to use later, as you transport the equipment to and from installation sites. 16.2 CONFIGURING FOR TEST You can use either of two methods to configure an AP or BHM: ◦ Use the Quick Start feature of the product. For more information on Quick Start, see Quick Start Page of the AP on Page 185. ◦ Manually set each parameter. After you change configuration parameters on a GUI web page: 1. Before you leave a web page, click the Save button to save the change(s). 2. After making change(s) on multiple web pages, click the Reboot button to reboot the module and implement the change(s). 16.2.1 Configuring the Computing Device for Test If your computer is configured for Dynamic Host Configuration Protocol (DHCP), disconnect the computer from the network. If your computer is instead configured for static IP addressing ◦ set the static address in the 169.254 network ◦ set the subnet mask to 255.255.0.0. Issue 2, November 2007 Draft 5 for Regulatory Review 177 Release 8 16.2.2 Installation and Configuration Guide Default Module Configuration From the factory, the Canopy AP, SM, and BH are all configured to not transmit on any frequency. This configuration ensures that you do not accidentally turn on an unsynchronized module. Site synchronization of modules is required because ◦ ◦ 16.2.3 Canopy modules − cannot transmit and receive signals at the same time. − use TDD (Time Division Duplexing) to distribute signal access of the downlink and uplink frames. when one module transmits while an unintended module nearby receives signal, the transmitting module may interfere with or desense the receiving module. In this context, interference is self-interference (within the same Canopy network). Component Layout As shown in Figure 46, the base cover of the module snaps off when you depress a lever on the back of the base cover. This exposes the Ethernet and GPS sync connectors and diagnostic LEDs. RJ11 Connector RJ45 Connector Connection LEDs Base Cover Ethernet Cable Figure 46: Canopy base cover, attached and detached Issue 2, November 2007 Draft 5 for Regulatory Review 178 Release 8 16.2.4 Installation and Configuration Guide Diagnostic LEDs The diagnostic LEDs report the following information about the status of the module. Table 40 and Table 41 identify the LEDs in order of their left-to-right position as the cable connections face downward. NOTE: The LED color helps you distinguish position of the LED. The LED color does not indicate any status. Table 40: LEDs in AP and BHM Label Color when Active LNK/5 green Ethernet link Continuously lit when link is present. ACT/4 orange Presence of data activity on the Ethernet link Flashes during data transfer. Frequency of flash is not a diagnostic indication. GPS/3 red Pulse of sync Continuously lit as pulse as AP receives pulse. SES/2 green Unused on the AP SES is the session indicator on the CMM. SYN/1 orange Presence of sync Always lit on the AP. PWR red DC power Always lit when power is correctly supplied. Status Information Provided Notes Table 41: LEDs in SM and BHS Label Color when Active Status if Registered Notes LNK/5 green Ethernet link Continuously lit when link is present. ACT/4 orange Presence of data activity on the Ethernet link Flashes during data transfer. Frequency of flash is not a diagnostic indication. GPS/3 red Unused SES/2 green Unused SYN/1 orange Presence of sync If this module is not registered to another, then these three LEDs cycle on and off from left to right. PWR red DC power Issue 2, November 2007 Operating Mode Always lit when power is correctly supplied. Draft 5 for Regulatory Review Aiming Mode These five LEDs act as a bar graph to indicate the relative quality of alignment. As power level and jitter improve during alignment, more of these LEDs are lit. Always lit when power is correctly supplied. 179 Release 8 16.2.5 Installation and Configuration Guide CMM2 Component Layout As shown in Figure 125 on Page 339, the CMM2 comprises four assemblies: ◦ Ethernet switch ◦ Power transformer ◦ Interconnect board ◦ GPS receiver. Some CMM2s that were sold earlier had four openings in the bottom plate, as shown in Figure 47. Currently available CMM2s have two additional Ethernet cable and GPS sync cable openings to allow use of thicker, shielded cables. Figure 47: Canopy CMM2, bottom view 16.2.6 CMMmicro Component Layout The layout of the CMMmicro is shown in Figure 48. Issue 2, November 2007 Draft 5 for Regulatory Review 180 Release 8 Installation and Configuration Guide LEGEND 1. 2. 3. 4. 5. 6. 7. Weatherized enclosure Thumb-screw/slot-screwdriver door fasteners Punch-out for padlock Ethernet switch and power module Female BNC connector Water-tight bulkhead connectors Flange for attachment (stainless steel for grounding to tower or building) using U bolts (provided) or other hardware such as screws, lag bolts, or attachment straps (not provided) 8. Ground strap (for grounding door to enclosure) 9. 100-W 115/230-V AC to 24-V DC power converter, with 10 ft (3 m) of DC power cable (not shown) 10. 6-ft (1.8-m) AC power cord for 24 V power converter (not shown) Figure 48: Cluster Management Module micro Issue 2, November 2007 Draft 5 for Regulatory Review 181 Release 8 16.2.7 Installation and Configuration Guide Standards for Wiring Canopy modules automatically sense whether the Ethernet cable in a connection is wired as straight-through or crossover. You may use either straight-through or crossover cable to connect a network interface card (NIC), hub, router, or switch to these modules. For a straight-through cable, use the EIA/TIA-568B wire color-code standard on both ends. For a crossover cable, use the EIA/TIA-568B wire color-code standard on one end, and the EIA/TIA-568A wire color-code standard on the other end. Where you use the Canopy AC wall adapter 16.2.8 ◦ the power supply output is +24 VDC. ◦ the power input to the SM is +11.5 VDC to +30 VDC. ◦ the maximum Ethernet cable run is 328 feet (100 meters). Best Practices for Cabling The following practices are essential to the reliability and longevity of cabled connections: 16.2.9 ◦ Use only shielded cables to resist interference. ◦ For vertical runs, provide cable support and strain relief. ◦ Include a 2-ft (0.6-m) service loop on each end of the cable to allow for thermal expansion and contraction and to facilitate terminating the cable again when needed. ◦ Include a drip loop to shed water so that most of the water does not reach the connector at the device. ◦ Properly crimp all connectors. ◦ Use dielectric grease on all connectors to resist corrosion. ◦ Use only shielded connectors to resist interference and corrosion. Recommended Tools for Wiring Connectors The following tools may be needed for cabling the AP: ◦ RJ-11 crimping tool ◦ RJ-45 crimping tool ◦ electrician scissors ◦ wire cutters ◦ cable testing device. 16.2.10 Wiring Connectors The following diagrams correlate pins to wire colors and illustrate crossovers where applicable. Location of Pin 1 Pin 1, relative to the lock tab on the connector of a straight-through cable is located as shown below. Issue 2, November 2007 Draft 5 for Regulatory Review 182 Release 8 Installation and Configuration Guide ← Pin 1 Lock tab ↑ underneath RJ-45 Pinout for Straight-through Ethernet Cable Pin 1 → white / orange Pin 2 → orange Pin 3 → white / green Pin 4 → blue Pin 5 → white / blue Pin 6 → green Pin 7 → white / brown Pin 8 → brown Pins 7 and 8 carry power to the modules. ← Pin 1 ← Pin 2 ← Pin 3 ← Pin 4 ← Pin 5 ← Pin 6 ← Pin 7 ← Pin 8 Pin RJ-45 Straight-thru Pin TX+ 1 1 RX+ TX- 2 2 RX- RX+ 3 3 TX- +V return RX- 6 +V +V return 6 TX- +V Figure 49: RJ-45 pinout for straight-through Ethernet cable RJ-45 Pinout for Crossover Ethernet Cable Pin Pin 1 → white / orange ← Pin 3 Pin 2 → orange ← Pin 6 Pin 3 → white / green ← Pin 1 Pin 4 → blue ← Pin 4 Pin 5 → white / blue ← Pin 5 Pin 6 → green ← Pin 2 Pin 7 → white / brown ← Pin 7 Pin 8 → brown ← Pin 8 Pins 7 and 8 carry power to the modules. RJ-45 Crossover Pin TX+ 1 3 RX+ TX- 2 6 RX- RX+ 3 1 TX+ +V return RX- 6 +V +V return 2 TX- +V Figure 50: RJ-45 pinout for crossover Ethernet cable RJ-11 Pinout for Straight-through Sync Cable The Canopy system uses a utility cable with RJ-11 connectors between the AP or BH and synchronization pulse. Presuming CAT 5 cable and 6-pin RJ-11 connectors, the following diagram shows the wiring of the cable for sync. Issue 2, November 2007 Draft 5 for Regulatory Review 183 Release 8 Installation and Configuration Guide Pin RJ-11 Straight-Thru sync pulse 1 Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 → white / orange ← Pin 1 → white / green ← Pin 2 → white / blue ← Pin 3 → green ← Pin 4 → blue ← Pin 5 → orange ← Pin 6 NOTE: The fourth pair is not used. serial transmit 2 Pin 1 sync pulse 2 serial receive serial receive 3 3 serial transmit override plug 4 4 override plug alignment tone 5 Protective Earth (PE) (ground) not used 5 alignment tone Earth (PE) 6 Protective (ground) not used Figure 51: RJ-11 pinout for straight-through sync cable 16.2.11 Alignment Tone—Technical Details The alignment tone output from a Canopy module is available on Pin 5 of the RJ-11 connector, and ground is available on Pin 6. Thus the load at the listening device should be between Pins 5 and 6. The listening device may be a headset, earpiece, or batterypowered speaker. 16.3 CONFIGURING A POINT-TO-MULTIPOINT LINK FOR TEST Perform the following steps to begin the test setup. Procedure 5: Setting up the AP for Quick Start 1. In one hand, securely hold the top (larger shell) of the AP. With the other hand, depress the lever in the back of the base cover (smaller shell). Remove the base cover. 2. Plug one end of a CAT 5 Ethernet cable into the AP. 3. Plug the Ethernet cable connector labeled To Radio into the jack in the pig tail that hangs from the power supply. WARNING! From this point until you remove power from the AP, stay at least as far from the AP as the minimum separation distance specified in Table 37 on Page 169. 4. Plug the other connector of the pig tail (this connector labeled To Computer) into the Ethernet jack of the computing device. 5. Plug the power supply into an electrical outlet. 6. Power up the computing device. 7. Start the browser in the computing device. =========================== end of procedure =========================== Issue 2, November 2007 Draft 5 for Regulatory Review 184 Release 8 Installation and Configuration Guide The Canopy AP interface provides a series of web pages to configure and monitor the unit. You can access the web-based interface through a computing device that is either directly connected or connected through a network to the AP. If the computing device is not connected to a network when you are configuring the module in your test environment, and if the computer has used a proxy server address and port to configure a Canopy module, then you may need to first disable the proxy setting in the computer. Perform the following procedure to toggle the computer to not use the proxy setting. Procedure 6: Bypassing proxy settings to access module web pages 1. Launch Microsoft Internet Explorer. 2. Select ToolsInternet OptionsConnections LAN Settings. 3. Uncheck the Use a proxy server… box. NOTE: If you use an alternate web browser, the menu selections differ from the above. =========================== end of procedure =========================== In the address bar of your browser, enter the IP address of the AP. (For example, enter http://169.254.1.1 to access the AP through its default IP address). The AP responds by opening the General Status tab of its Home page. 16.3.1 Quick Start Page of the AP To proceed with the test setup, click the Quick Start button on the left side of the General Status tab. The AP responds by opening the Quick Start page. The Quick Start tab of that page is displayed in Figure 52. NOTE: If you cannot find the IP address of the AP, see Override Plug on Page 58. Issue 2, November 2007 Draft 5 for Regulatory Review 185 Release 8 Installation and Configuration Guide Figure 52: Quick Start tab of AP, example Quick Start is a wizard that helps you to perform a basic configuration that places an AP into service. Only the following parameters must be configured: ◦ RF Carrier Frequency ◦ Synchronization ◦ Network IP Address In each Quick Start tab, you can ◦ specify the settings to satisfy the requirements of the network. ◦ review the configuration selected. ◦ save the configuration to non-volatile memory. Proceed with the test setup as follows. Issue 2, November 2007 Draft 5 for Regulatory Review 186 Release 8 Installation and Configuration Guide Procedure 7: Using Quick Start to configure a standalone AP for test 1. At the bottom of the Quick Start tab, click the Go To Next Page => button. RESULT: The AP responds by opening the RF Carrier Frequency tab. An example of this tab is shown in Figure 53. Figure 53: Radio Frequency Carrier tab of AP, example 2. From the pull-down menu in the lower left corner of this tab, select a frequency for the test. 3. Click the Go To Next Page => button. RESULT: The AP responds by opening the Synchronization tab. An example of this tab is shown in Figure 54. Issue 2, November 2007 Draft 5 for Regulatory Review 187 Release 8 Installation and Configuration Guide Figure 54: Synchronization tab of AP, example 4. At the bottom of this tab, select Generate Sync Signal. 5. Click the Go To Next Page => button. RESULT: The AP responds by opening the LAN IP Address tab. An example of this tab is shown in Figure 55. Issue 2, November 2007 Draft 5 for Regulatory Review 188 Release 8 Installation and Configuration Guide Figure 55: LAN IP Address tab of AP, example 6. At the bottom of this tab, either ◦ specify an IP Address, a Subnet Mask, and a Gateway IP Address for management of the AP and leave the DHCP state set to Disabled. ◦ set the DHCP state to Enabled to have the IP address, subnet mask, and gateway IP address automatically configured by a domain name server (DNS). 7. Click the Go To Next Page => button. RESULT: The AP responds by opening the Review and Save Configuration tab. An example of this tab is shown in Figure 56. Issue 2, November 2007 Draft 5 for Regulatory Review 189 Release 8 Installation and Configuration Guide Figure 56: Review and Save Configuration tab of AP, example 8. Ensure that the initial parameters for the AP are set as you intended. 9. Click the Save Changes button. 10. Click the Reboot button. RESULT: The AP responds with the message Reboot Has Been Initiated… 11. Wait until the indicator LEDs are not red. 12. Trigger your browser to refresh the page until the AP redisplays the General Status tab. 13. Wait until the red indicator LEDs are not lit. =========================== end of procedure =========================== Issue 2, November 2007 Draft 5 for Regulatory Review 190 Release 8 Installation and Configuration Guide Canopy encourages you to experiment with the interface. Unless you save a configuration and reboot the AP after you save the configuration, none of the changes are effected. 16.3.2 Time Tab of the AP To proceed with the test setup, click the Configuration link on the left side of the General Status tab. When the AP responds by opening the Configuration page to the General tab, click the Time tab. An example of this tab is displayed in Figure 57. Figure 57: Time tab of AP, example To have each log in the AP correlated to a meaningful time and date, either a reliable network element must pass time and date to the AP or you must set the time and date whenever a power cycle of the AP has occurred. A network element passes time and date in any of the following scenarios: ◦ A connected CMM2 passes time and date (GPS time and date, if received). ◦ A connected CMMmicro passes the time and date (GPS time and date, if received), but only if both the CMMmicro is operating on CMMmicro Release 2.1 or later release. (These releases include an NTP server functionality.) ◦ A separate NTP server is addressable from the AP. If the AP should obtain time and date from either a CMMmicro or a separate NTP server, enter the IP address of the CMMmicro or NTP server on this tab. To force the AP to Issue 2, November 2007 Draft 5 for Regulatory Review 191 Release 8 Installation and Configuration Guide obtain time and date before the first (or next) 15-minute interval query of the NTP server, click Get Time through NTP. If you enter a time and date, the format for entry is Time : hh mm ss Date : MM dd yyyy where hh mm ss MM dd yyyy represents represents represents represents represents represents the two-digit hour in the range 00 to 24 the two-digit minute the two-digit second the two-digit month the two-digit day the four-digit year Proceed with the test setup as follows. ◦ Enter the appropriate information in the format shown above. ◦ Then click the Set Time and Date button. NOTE: The time displayed at the top of this page is static unless your browser is set to automatically refresh. Procedure 8: Setting up the SM for test 1. In one hand, securely hold the top (larger shell) of the SM. With the other hand, depress the lever in the back of the base cover (smaller shell). Remove the base cover. 2. Plug one end of a CAT 5 Ethernet cable into the SM RJ-45 jack. 3. Plug the other end of the Ethernet cable into the jack in the pig tail that hangs from the power supply. 4. Roughly aim the SM toward the AP. WARNING! From this point until you remove power from the SM, stay at least as far from the SM as the minimum separation distance specified in Table 37 on Page 169. 5. Plug the power supply into an electrical outlet. 6. Repeat the foregoing steps for each SM that you wish to include in the test. 7. Back at the computing device, on the left side of the Time & Date tab, click Home. 8. Click the Session Status tab. =========================== end of procedure =========================== Issue 2, November 2007 Draft 5 for Regulatory Review 192 Release 8 16.3.3 Installation and Configuration Guide Session Status Tab of the AP An example of the AP Session Status tab is displayed in Figure 58. Figure 58: Session Status tab data from AP, example If no SMs are registered to this AP, then the Session Status tab displays the simple message No sessions. In this case, try the following steps. Procedure 9: Retrying to establish a point-to-multipoint link 1. More finely aim the SM or SMs toward the AP. 2. Recheck the Session Status tab of the AP for the presence of LUIDs. 3. If still no LUIDs are reported on the Session Status tab, click the Configuration button on the left side of the Home page. RESULT: The AP responds by opening the AP Configuration page. 4. Click the Radio tab. 5. Find the Color Code parameter and note the setting. 6. In the same sequence as you did for the AP directly under Configuring a Point-toMultipoint Link for Test on Page 184, connect the SM to a computing device and to power. 7. On the left side of the SM Home page, click the Configuration button. RESULT: The Configuration page of the SM opens. Issue 2, November 2007 Draft 5 for Regulatory Review 193 Release 8 Installation and Configuration Guide 8. Click the Radio tab. 9. If the transmit frequency of the AP is not selected in the Custom Radio Frequency Scan Selection List parameter, select the frequency that matches. 10. If the Color Code parameter on this page is not identical to the Color Code parameter you noted from the AP, change one of them so that they match. 11. At the bottom of the Radio tab for the SM, click the Save Changes button. 12. Click the Reboot button. 13. Allow several minutes for the SM to reboot and register to the AP. 14. Return to the computing device that is connected to the AP. 15. Recheck the Session Status tab of the AP for the presence of LUIDs. =========================== end of procedure =========================== The Session Status tab provides information about each SM that has registered to the AP. This information is useful for managing and troubleshooting a Canopy system. All information that you have entered in the Site Name field of the SM displays in the Session Status tab of the linked AP. The Session Status tab also includes the current active values on each SM (LUID) for MIR, CIR, and VLAN, as well as the source of these values (representing the SM itself, BAM, or the AP and cap, if any—for example, APCAP as shown in Figure 58 above). L indicates a Canopy Lite SM, and D indicates from the device. As an SM registers to the AP, the configuration source that this page displays for the associated LUID may change. After registration, however, the displayed source is stable and can be trusted. The Session Status tab of the AP provides the following parameters. LUID This field displays the LUID (logical unit ID) of the SM. As each SM registers to the AP, the system assigns an LUID of 2 or a higher unique number to the SM. If an SM loses registration with the AP and then regains registration, the SM will retain the same LUID. NOTE: The LUID association is lost when a power cycle of the AP occurs. MAC This field displays the MAC address (or electronic serial number) of the SM. State This field displays the current status of the SM as either ◦ IN SESSION to indicate that the SM is currently registered to the AP. ◦ IDLE to indicate that the SM was registered to the AP at one time, but now is not. This field also indicates whether the encryption scheme in the module is enabled. Issue 2, November 2007 Draft 5 for Regulatory Review 194 Release 8 Installation and Configuration Guide Site Name This field indicates the name of the SM. You can assign or change this name on the Configuration web page of the SM. This information is also set into the sysName SNMP MIB-II object and can be polled by an SNMP management server. Software Version This field displays the software release that operates on the SM, the release date and time of the software. Software Boot Version This field indicates the CANOPYBOOT version number. FPGA Version This field displays the version of FPGA that runs on the SM. Session Timeout This field displays the timeout in seconds for management sessions via HTTP, telnet, or ftp access to the SM. 0 indicates that no limit is imposed. AirDelay This field displays the distance of the SM from the AP. To derive the distance in meters, multiply the displayed number by 0.3048. At close distances, the value in this field is unreliable. Session Count This field displays how many sessions the SM has had with the AP. Typically, this is the sum of Reg Count and Re-Reg Count. However, the result of internal calculation may display here as a value that slightly differs from the sum. If the number of sessions is significantly greater than the number for other SMs, then this may indicate a link problem or an interference problem. Reg Count When an SM makes a registration request, the AP checks its local data to see whether it considers the SM to be already registered. If the AP concludes that the SM is not, then the request increments the value of this field. Re-Reg Count When an SM makes a registration request, the AP checks its local data to see whether it considers the SM to be already registered. If the AP concludes that the SM is not, then the request increments the value of this field. Typically, a Re-Reg is the case where both ◦ an SM attempts to reregister for having lost communication with the AP. ◦ the AP has not yet observed the link to the SM as being down. A high number in this field is often an indication of link instability or interference problems. RSSI, Jitter, and Power Level (Avg/Last) The Session Status tab shows the received Power Level in dBm and Jitter. Proper alignment maximizes Power Level and minimizes Jitter. As you refine alignment, you should favor lower jitter over higher dBm. For example, if coarse alignment gives an SM a power level of −75 dBm and a jitter measurement of 5, and further refining Issue 2, November 2007 Draft 5 for Regulatory Review 195 Release 8 Installation and Configuration Guide the alignment drops the power level to −78 dBm and the jitter to 2 or 3, use the refined alignment, with the following caveats: ◦ When the receiving link is operating at 1X, the Jitter scale is 0 to 15 with desired jitter between 0 and 4. ◦ When the receiving link is operating at 2X, the Jitter scale is 0 to 15 with desired jitter between 0 and 9. The Session Status tab also shows a historical RSSI, a unitless measure of power. Use Power Level and ignore RSSI. RSSI implies more accuracy and precision than is inherent in its measurement. Sustained Uplink Data Rate This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. This is the specified rate at which each SM registered to this AP is replenished with credits for transmission. The configuration source of the value is indicated in parentheses. See ◦ Maximum Information Rate (MIR) Parameters on Page 84 ◦ Interaction of Burst Allocation and Sustained Data Rate Settings on Page 86 ◦ Setting the Configuration Source on Page 292. Uplink Burst Allocation This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. This is the specified maximum amount of data that each SM is allowed to transmit before being recharged at the Sustained Uplink Data Rate with credits to transmit more. The configuration source of the value is indicated in parentheses. See ◦ Maximum Information Rate (MIR) Parameters on Page 84 ◦ Interaction of Burst Allocation and Sustained Data Rate Settings on Page 86 ◦ Setting the Configuration Source on Page 292. Sustained Downlink Data Rate This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. This is the specified the rate at which the AP should be replenished with credits (tokens) for transmission to each of the SMs in its sector. The configuration source of the value is indicated in parentheses. See ◦ Maximum Information Rate (MIR) Parameters on Page 84 ◦ Interaction of Burst Allocation and Sustained Data Rate Settings on Page 86 ◦ Setting the Configuration Source on Page 292. Downlink Burst Allocation This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. This is the maximum amount of data to allow the AP to transmit to any registered SM before the AP is replenished with transmission credits at the Sustained Downlink Data Rate. The configuration source of the value is indicated in parentheses. See ◦ Maximum Information Rate (MIR) Parameters on Page 84 ◦ Interaction of Burst Allocation and Sustained Data Rate Settings on Page 86 Issue 2, November 2007 Draft 5 for Regulatory Review 196 Release 8 Installation and Configuration Guide ◦ Setting the Configuration Source on Page 292. Low Priority Uplink CIR This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. The configuration source of the value is indicated in parentheses. See ◦ Committed Information Rate on Page 86 ◦ Setting the Configuration Source on Page 292. Low Priority Downlink CIR This field displays the value that is currently in effect for the SM, with the source of that value in parentheses. The configuration source of the value is indicated in parentheses. See ◦ Committed Information Rate on Page 86 ◦ Setting the Configuration Source on Page 292. Rate This field displays whether the high-priority channel is enabled in the SM and the status of 1X or 2X operation in the SM. See Checking the Status of 2X Operation on Page 91. 16.3.4 Beginning the Test of Point-to-Multipoint Links To begin the test of links, perform the following steps: 1. In the Session Status tab of the AP, note the LUID associated with the MAC address of any SM you wish to involve in the test. 2. Click the Remote Subscribers tab. 16.3.5 Remote Subscribers Tab of the AP An example of a Remote Subscribers tab is displayed in Figure 59. Figure 59: Remote Subscribers tab of AP, example Issue 2, November 2007 Draft 5 for Regulatory Review 197 Release 8 Installation and Configuration Guide This tab allows you to view the web pages of registered SMs over the RF link. To view the pages for a selected SM, click its link. The General Status tab of the SM opens. 16.3.6 General Status Tab of the SM An example of the General Status tab of an SM is displayed in Figure 60. Figure 60: General Status tab of SM, example The General Status tab provides information on the operation of this SM. This is the tab that opens by default when you access the GUI of the SM. The General Status tab provides the following read-only fields. Device Type This field indicates the type of the Canopy module. Values include the frequency band of the SM, its module type, and its MAC address. Software Version This field indicates the Canopy system release, the time and date of the release, and whether communications involving the module are secured by DES or AES encryption (see Encrypting Canopy Radio Transmissions on Page 369). If you request technical support, provide the information from this field. Issue 2, November 2007 Draft 5 for Regulatory Review 198 Release 8 Installation and Configuration Guide Software BOOT Version This field indicates the version of the CANOPYBOOT file. If you request technical support, provide the information from this field. Board Type This field indicates the series of hardware. See Designations for Hardware in Radios on Page 365. FPGA Version This field indicates the version of the field-programmable gate array (FPGA) on the module. When you request technical support, provide the information from this field. Uptime This field indicates how long the module has operated since power was applied. System Time This field provides the current time. Any SM that registers to an AP inherits the system time, which is displayed in this field as GMT (Greenwich Mean Time). Ethernet Interface This field indicates the speed and duplex state of the Ethernet interface to the SM. Session Status This field displays the following information about the current session: ◦ Scanning indicates that this SM currently cycles through the radio frequencies that are selected in the Radio tab of the Configuration page. ◦ Syncing indicates that this SM currently attempts to receive sync. ◦ Registering indicates that this SM has sent a registration request message to the AP and has not yet received a response. ◦ Registered indicates that this SM is both ◦ − registered to an AP. − ready to transmit and receive data packets. Alignment indicates that this SM is in an aiming mode. See Table 41 on Page 179. Registered AP This field displays the MAC address of the AP to which this SM is registered. RSSI, Power Level, and Jitter The General Status tab shows the received Power Level in dBm and Jitter. Proper alignment maximizes Power Level and minimizes Jitter. As you refine alignment, you should favor lower jitter over higher dBm. For example, if coarse alignment gives an SM a power level of −75 dBm and a jitter measurement of 5, and further refining the alignment drops the power level to −78 dBm and the jitter to 2 or 3, use the refined alignment, with the following caveats: ◦ When the receiving link is operating at 1X, the Jitter scale is 0 to 15 with desired jitter between 0 and 4. Issue 2, November 2007 Draft 5 for Regulatory Review 199 Release 8 Installation and Configuration Guide ◦ When the receiving link is operating at 2X, the Jitter scale is 0 to 15 with desired jitter between 0 and 9. For historical relevance, the General Status tab also shows the RSSI, the unitless measure of power. Use Power Level and ignore RSSI. RSSI implies more accuracy and precision than is inherent in its measurement. NOTE: Unless the page is set to auto-refresh, the values displayed are from the instant the General Status tab was selected. To keep a current view of the values, refresh the browser screen or set to auto-refresh. Air Delay This field displays the distance in feet between this SM and the AP. To derive the distance in meters, multiply the value of this parameter by 0.3048. Distances reported as less than 200 feet (61 meters) are unreliable. Site Name This field indicates the name of the physical module. You can assign or change this name in the SNMP tab of the SM Configuration page. This information is also set into the sysName SNMP MIB-II object and can be polled by an SNMP management server. Site Contact This field indicates contact information for the physical module. You can provide or change this information in the SNMP tab of the SM Configuration page. This information is also set into the sysName SNMP MIB-II object and can be polled by an SNMP management server. Site Location This field indicates site information for the physical module. You can provide or change this information in the SNMP tab of the SM Configuration page. Maximum Throughput This field indicates the limit of aggregate throughput for the SM and is based on the default (factory) limit of the SM and any floating license that is currently assigned to it. 16.3.7 Continuing the Test of Point-to-Multipoint Links To resume the test of links, perform the following steps. Procedure 10: Verifying and recording information from SMs 1. Verify that the Session Status field of the General Status tab in the SM indicates REGISTERED. 2. While you view the General Status tab in the SM, note (or print) the values of the following fields: ◦ Device type ◦ Software Version ◦ Software BOOT Version Issue 2, November 2007 Draft 5 for Regulatory Review 200
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