Wave Wireless SL9200 Users manual

Wave Wireless
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SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
CHAPTER 1 - Introduction
Features and Benefits ....................................................................................................................................1-2
SPEEDLAN 9200 Features ..................................................................................................................1-2
ISP Functionality...................................... ... .........................................................................................1-3
IP Router Functionality ........................................................................................................................1-3
Configuration Management..................................................................................................................1-4
SPEEDManage.....................................................................................................................................1-4
Features (and Benefits).........................................................................................................................1-4
Priority Queuing ...................................................................................................................................1-5
SNMP ...................................................................................................................................................1-6
Equipment and Hardware.....................................................................................................................1-7
SPEEDLAN 9200 Mesh Protocol -- How It Works in Mesh Cells ..............................................................1-7
SPEEDLAN’s Mesh Cell Architecture ................................................................................................1-9
SPEEDLAN 9200 Mesh Core Components.........................................................................................1-9
Neighbor Discovery.....................................................................................................................1-9
Topology Updates........................................................................................................................1-9
Routing.......................................................................................................................................1-10
Why SPEEDLAN Outperforms Other Routing Equipment ......................................................1-10
Document Changes & Corrections/Firmware Updates...............................................................................1-11
Contacting Technical Support.....................................................................................................................1-11
CHAPTER 2 - Hardware
Rooftop and Tower Installations Warning....................................................................................................2-2
Regulatory Information.................................................................................................................................2-2
Declaration of Conformity for RF Exposure.................................................................................................2-3
General Safety Requirements for Installation of SPEEDLAN 9200 Models ...............................................2-3
Hardware Overview ......................................................................................................................................2-4
Tips for Antenna Alignment........................................................................................................2-5
Drawings of Outdoor, Remote-Mounted Components.................................................................................2-6
Indoor Junction Box .............................................................................................................................2-6
The SPEEDLAN 9201/9204 with an Integrated Omni-Directional.....................................................2-7
Bottom View of SPEEDLAN 9201/SPEEDLAN 9204 ......................................................................2-8
System Description...............................................................................................................................2-8
Package Contents.................................................................................................................................2-8
Installation Steps for the SPEEDLAN 9201/SPEEDLAN 9204..........................................................2-9
Installation Diagram of the SPEEDLAN 9201/SPEEDLAN 9204....................................................2-11
The SPEEDLAN 9202/SPEEDLAN 9203 with External Antenna ............................................................2-12
Bottom View of SPEEDLAN 9202/SPEEDLAN 9203 .....................................................................2-13
System Description.............................................................................................................................2-13
Package Contents....................................................... .........................................................................2-13
Installation Steps for the SPEEDLAN 9202/SPEEDLAN 9203........................................................2-14
SPEEDLAN 9202/SPEEDLAN 9203 Installation Diagram ............................................................2-21
Contents-1
Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
CHAPTER 3 - General Functions of the Configurator
Manual Initial Configuration of the SPEEDLAN 9200................................................................................3-2
Prerequisites..........................................................................................................................................3-2
Connecting a SPEEDLAN 9200 and a Client PC ................................................................................3-3
Configuring the SPEEDLAN 9200 ......................................................................................................3-5
Wireless Interface IP Address Assignment..........................................................................................3-5
Automating the Configuration of Multiple SPEEDLAN 9200s...........................................................3-6
Completing Configuration............................................... .....................................................................3-6
Adding Additional SPEEDLAN 9200s to the Wired Network ............................................................3-6
Overview of the SPEEDLAN 9200 Configurator General Main Menu .......................................................3-6
How the Configurator Menu is Structured...................................................................................3-6
Network menu...................................................................................................... ........................3-7
System menu................................................................................................................................3-7
Routing menu................................................................................ ............................................... 3-7
Wireless menu...................................................................................................... ........................3-8
Diagram of SPEEDLAN 9200 Configurator Main Menu ...........................................................3-9
Logging on the SPEEDLAN 9200 Configurator ........................................................................................3-10
Classes of Users (and Passwords) ......................................................................................................3-10
Logging On.........................................................................................................................................3-11
Logging Off........................................................................................................................................3-12
Understanding the Security Alert Screens..........................................................................................3-12
After Logging On ...............................................................................................................................3-15
Helpful Information to Know......................................................................................................................3-16
How do you select the router?............................................................................................................3-16
References on Setting Up the Router .................................................................................................3-16
Caching - viewing the most recent version of a page .........................................................................3-1
Session Activity..................................................................................................................................3-17
SPEEDLAN 9200 Firmware Updates, SPEEDManage or Other Utility Programs...........................3-17
If You Need a Temporary IP Address................................................................................................3-18
The Configuration Menu................................................. ................................................ ............................3-18
Network Menu........................................ ............................................. ........................................................3-18
Network Interfaces ............................................................................................................................. 3-18
IP Address Configuration...................................................................................................................3-18
CIDR Table (For Netmask Information Purposes)....................................................................3-20
Alias IP.......................................................................................................................................3-21
Virtual Addresses .................................. .............................................................................................3-22
System Menu...............................................................................................................................................3-24
Configuration Summary .....................................................................................................................3-24
SNMP .................................................................................................................................................3-25
Version................................................................................................................................................3-28
Host Name..........................................................................................................................................3-28
Password.............................................................................................................................................3-29
Reboot.................................................................................................................................................3-29
Routing Menu................................................. ............................................. ................................................3-36
Def Gateway.......................................................................................................................................3-37
RIP2 Setup..........................................................................................................................................3-37
RIP Settings........................................................................................................................................3-38
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Contents-2
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Authentication on RIP-2 MD5...................................................................................................3-39
Route Table.........................................................................................................................................3-41
Static Route.........................................................................................................................................3-42
Configuring the Radio Parameters..............................................................................................................3-43
Configuration......................................................................................................................................3-43
Max Tx Retries and Signaling Rate Fallback..................................................................................... 3-46
Signaling Rate Fallback.............................................................................................................3-46
Max Tx Retries ..........................................................................................................................3-48
Max Throughput (Regulating Bandwidth) .........................................................................................3-48
DHCP Server Menu ....................................................................................................................................3-56
How DHCP Assigns an IP Address....................................................................................................3-56
Setting Up DHCP and DHCP Relay...........................................................................................................3-57
Important Note about DHCP .....................................................................................................3-57
Setting Up DHCP ...............................................................................................................................3-58
Subnets to Serve Section....................................................... .....................................................3-58
Adding a New DHCP Subnet.............................................................................................................3-59
Adding a Known Client......................................................................................................................3-60
Adding a DHCP Client.......................................................................................................................3-61
Configuring DHCP Relay...................................................................................................................3-62
Viewing Log Messages .................................. ....................................................................................3-63
Forwarding Menu........................................................................................................................................3-63
Priority Queuing .................................................................................................................................3-64
Explanation of this feature.........................................................................................................3-65
Services...............................................................................................................................................3-65
Creating an Advanced Service...................................................................................................3-67
Three Features of NAT ...............................................................................................................................3-68
Address Sharing................................................................................................... ...............................3-70
Internal Servers...................................................................................................................................3-72
1:1 NAT..............................................................................................................................................3-73
Firewall........................................................................................................................................................3-74
IP Sessions...................................................................................................................................................3-79
Diagnostics Menu (Troubleshooting the Network).....................................................................................3-79
Special Note about Link & Ping Tests:......................................................................................3-80
Interface Statistics...............................................................................................................................3-80
Wireless Statistics......................................................................................................................3-80
Inbound & Outbound .................................................................................................................3-81
ARP Table ........................................................................................................... ...............................3-82
ICMP Statistics...................................................................................................................................3-82
Admin Menu ......................................................................... ......................................................................3-85
User Configuration Passwords ...........................................................................................................3-85
Software Update .................................................................................................................................3-86
Proxy Mode Warning.................................................................................................................3-86
Support................................................................................................................................................3-87
Reset to Factory Default.....................................................................................................................3-87
Current Sessions ..................................................................................................... ............................3-88
Contents-3
Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
CHAPTER 4 - Using the Configurator to Set Up Special Parameters for
Mesh Routers
Network Menu........................................ ............................................. ..........................................................4-2
Interfaces for Mesh Mode.....................................................................................................................4-2
Mesh Nodes..........................................................................................................................................4-3
Enabling/Disabling the SPEEDMesh-Enabled Client..........................................................................4-3
Wireless menu...............................................................................................................................................4-5
Request to Send (RTS) / Clear to Send (CTS) .............................. .......................................................4-5
Receive (Rx) Threshold Parameter.......................................................................................................4-6
Blocked Links .......................................................................................................................................4-8
Link Expiration.....................................................................................................................................4-9
Admin Menu ......................................................................... ......................................................................4-10
Remote Control...................................................................................................................................4-10
Software Update .................................................................................................................................4-10
Updating the Local Router.........................................................................................................4-11
Updating the Software on a Local Router and Remote Router ..........................................................4-12
CHAPTER 5 - Using the Configurator to Set Up Special Parameters for a
Star Base Station
Network Menu........................................ ............................................. ..........................................................5-2
Interfaces for Base Mode......................................................................................................................5-2
Per CPE Settings...................................................................................................................................5-4
Adnin menu...................................................................................................................................................5-5
Remote Control) ...................................................................................................................................5-5
Software Update ...................................................................................................................................5-5
Updating the Software on a Base Station and CPE..............................................................................5-6
CHAPTER 6 - Using the Configurator to Set Up Special Parameters for
CPE Routers
Network Menu........................................ ............................................. ..........................................................6-2
Interfaces for CPE Mode......................................................................................................................6-2
Base Station Information.......................................................... ............................................. ........................6-3
Admin Menu ......................................................................... ........................................................................6-4
Software Update ...................................................................................................................................6-4
CHAPTER 7 - Using the Configurator to Set Up Special Parameters for
Point-to-Point Routers
Network Menu........................................ ............................................. ..........................................................7-2
Interfaces for Point-to-Point.................................................................................................................7-2
Point-to-Point Settings..........................................................................................................................7-3
Activation of Primary and Secondary Routers.....................................................................................7-5
Admin Menu ......................................................................... ........................................................................7-6
Remote Control for Point-to-Point Primary and Secondary Routers .............................. .....................7-6
Contents-4
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Updating the Software on a Local Router and Remote Router ............................................................7-7
CHAPTER 8 - Configurating Security Parameters
Introduction...................................................................................................................................................8-2
PSK Authentication..............................................................................................................................8-2
Cipher Suites and Key Management....................................................................................................8-3
Configurations...............................................................................................................................................8-4
Star Base Mode.....................................................................................................................................8-7
Per CPE Key.........................................................................................................................................8-8
Additional Security Settings.................................................................................................................8-9
Star CPE Mode...................................................................................................................................8-10
Mesh Mode.........................................................................................................................................8-11
Per Node PSK.....................................................................................................................................8-12
Additional Settings .............................................................................................................................8-14
WEP Security .....................................................................................................................................8-10
Enabling WEP Security between a SpeedMesh-Enabling Client and Speedlan 9200 ..............8-20
Configurating of WEP Default Keys-Shared Keys............................................................................8-21
CHAPTER 9 - Basics of IP Addressing
Basics of IP Addressing ................................................................................................................................9-2
What is an IP address?..........................................................................................................................9-2
Internet Address Classes.......................................................................................................................9-2
In fact, IP defines five classes:............................................................... ......................................9-3
Subnetting a Network...........................................................................................................................9-5
What is a Subnet?.........................................................................................................................9-5
What is a Subnet Mask?...............................................................................................................9-5
Diagram of Subnetting a Network................................................ ...............................................9-6
How does a network administrator assign an IP address?................................... .................................9-7
What is DHCP? ............................................................................. .......................................................9-8
Figure of DHCP Addressing........................................................................................................9-9
What is NAT?........................................................................................ ...............................................9-9
NAPT..................................................................................................................................................9-10
Diagram of Outgoing NAT.................................................................................................................9-11
Diagram of Incoming NAT ................................................................................................................9-12
Basics of Routing ....................................................... ................................................ .................................9-13
CHAPTER 10 - Public Safety Band
Background Information on the 4.9 GHz Public Safety Band (PSB).........................................................10-2
Key Facts of the 4.9 GHz PSB band ..................................................................................................10-2
Eligibility for 4.9 GHz PSB use ........................ .................................................................................10-3
4.9 GHz PSB Frequency Band Plan...................................................................................................10-3
4.9 GHz PSB Licensing Requirements...............................................................................................10-3
4.9 GHz PSB Peak Power Limits.......................................................................................................10-4
4.9 Ghz PSB Emission Mask..............................................................................................................10-4
SPEEDLAN 4.9 GHz PSB Introduction.....................................................................................................10-4
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
SPEEDLAN 4.9 GHz PSB Wireless Configuration using the https:// Configurator..................................10-6
SPEEDLAN 4.9 GHz PSB Channel Plan ...................................................................................................10-7
CHAPTER 11 - Professional Installation Guidelines
Background Information on the Installation of SPEEDLAN 9200.............................................................11-2
2.4 GHz SPEEDLAN 9200 Installation Requirements...............................................................................11-3
5.8 GHz SPEEDLAN 9200 Installation Requirements...............................................................................11-3
4.9 GHz SPEEDLAN 9200 Requirements..................................................................................................11-4
Glossary
Glossary for Standard Data Communications ....................................................................................................
Appendices
Changing the Router's Topology Mode .......................................................................................................A-2
SPEEDLAN 9200 Configurator Passwords.................................................................................................B-2
Rooftop and Tower Installations Warning ..........................................................................................C-2
General Safety Requirements for Installation of SPEEDLAN 9200 Models......................................C-2
Manufacturer Information............................................................................................................................C-3
European Telecommunications Standards Institute (CE)
Statement of Compliance.............................................................................................................................C-3
Radio Approvals...........................................................................................................................................C-4
(IC) Declaration of Conformity Statement & Radio Approval Table for Models SL920x ........C-4
Minimum Receive Sensitivity (in dBm) for SL920x..................................................................C-4
List of Acronyms..........................................................................................................................................D-2
Previous Firmware Revisions ............................................................. ........................................E-2
Channels for IEEE 5GHz OFDM (UNII upper band).................................................................................. F-2
2.4GHz DSSS Channels & 2.4GHz OFDM Channels................................................................................. F-2
P-COM INFO...
Software License Agreement.............................................................................................................................
P-Com LIMITED WARRANTY STATEMENT......................................................................................
Return Policies and Warranties .................................................................................................................
Contents-6
Chapter 1
Introduction
Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Features and Benefits
SPEEDLAN 9200 Features
The SPEEDLAN 9200 series introduces the second generation of wireless routers. The SPEEDLAN 9200 offers the following new features:
New Wireless Mode parameters (e.g., 5.8GHz OFDM, 2.4GHz DSSS or 2.4GHz
OFDM, 4.9GHz OFDM, Preamble, Tx power and SSID). For more information, see Configuring the Radio Parameters, page 3-44.
Double the transmission rate with turbo mode, up to 108Mb/s for 5.8GHz
OFDM. For more information, see Configuring the Radio Parameters, page 3-44.
You can allow a mesh node in a 9200 network to communicate with a
SPEEDMesh-enabled client in adhoc mode. For more information, see Enabling/ Disabling the SPEEDMesh-Enabled Client, page 4-6.
Provide network security between SPEEDMesh-enabled clients (PDAs and
laptops) and SPEEDLAN 9200 routers via WEP. In a SPEEDLAN 9200 network, you can authenticate a SPEEDMesh-enabled client with a standard security mechanism called Wired Equivalent Privacy (WEP). WEP encrypts data that is transmitted over the wireless LAN. WEP protects the wireless link between clients and access points. Network administrators can control access via standard 802.11 client using WEP. For more information, see B. Enabling WEP Security Between a SPEEDMesh-Enabled Client and SPEEDLAN 9200, page 4-5.
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RTS/CTS allows you to fine-tune the operation of your wireless LAN. RTS/CTS
will help minimize collisions between transmissions from hidden nodes on the wireless network. For more information, see Request to Send (RTS) / Clear to Send (CTS), page 4-8.
Provide DHCP relay: This release of the SPEEDLAN 9200 shall use the DHCP
relay function to forward DHCP requests from non-SPEEDLAN wireless clients to one or more DHCP servers. Those DHCP servers may be suitably configured SPEEDLAN 9200 routers (in which they won’t relay), or they may be dedicated servers, reachable through the Ethernet interfaces of one or more of the SPEEDLAN 9200 routers. To configure DHCP relay, see Configuring DHCP Relay, page 3-63.
Support for DC input sources: Devices that lack AC power will require DC-to-
DC supply.
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
The SPEEDLAN 9200 offers the network manager unsurpassed flexibility in meeting the
challenges of designing, building and managing to day's wireless broadband networks.
In a mesh topology, the SPEEDLAN 9200 routes traffic around physical limitations, eliminating the line-of-sight (LOS) issue present in star topology-only networks. Each mesh router will communicate with other mesh routers in a radius of up to 2 miles depending upon the model and signaling rate selected. This creates a multi-hop IP routed cell: self-healing, load balancing, and scalable network. By removing LOS issues caused by large buildings, hills, and other obstructions, service providers can reduce network deployment costs while maximizing their broadband wireless investment and reach new markets that could otherwise not be served.
For more information about mesh, see SPEEDLAN 9200 Mesh Protocol -- How It Wo rks in Mesh Cells, page 1-7.
ISP Functionality
The SPEEDLAN 9200 products are tailored to fit the needs of Internet Service Providers and Broadband Telecommunications Providers. Two features particularly useful to Internet Service providers are Network Address Translation (NAT) and Dynamic Host Configuration Protocol (DHCP). NAT helps to ensure network security and allows an entire company to share a single global IP address for communication on the Internet. This enables companies to communicate with other devices on the Internet. DHCP servers provide efficient use of IP addresses by assigning them dynamically or statically to the wireless router location. DHCP allows network administrators to dynamically assign IP addresses for the period of time needed to connect to the Internet or network.
IP Router Functionality
The SPEEDLAN 9200 is a highly configurable wireless IP router which supports mesh topologies. In addition to being configurable via a standard web browser, the SPEEDLAN 9200 also contains a firewall to control incoming and outgoing traffic, preventing unauthorized access.
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Configuration Management
The SPEEDLAN 9200 Configurator is a web-based management tool that allows a network manager to configure routers. For more information, see General Functions of the Configurator, page 3-1.
SPEEDManage
The SPEEDManage suite offers network management tools to help you troubleshoot and resolve network issues to keep your network running. Packaged in SPEEDManage are SPEEDView
®
, SPEEDSignal® and IP Recover:
SPEEDView
quickly isolate and resolve network problems. SPEEDView gives you an "at-a­glance" view of your network, presenting you all of the nodes on the network. Network managers can monitor local and remote SPEEDLAN 9200 nodes from a central location, or from any location on the network. SPEEDView also allows you to troubleshoot network bugs and non-existent physical connections. You can also perform bandwidth and diagnostic tests.
SPEEDSignal
their wireless or wired interface. This software makes it easier for installers to troubleshoot antenna alignment problems in the field.
®
is a flexible Windows®-based management tool that allows you to
®
allows you to communicate with SPEEDLAN 9200 routers via
IP Recover is an application that allows you to temporarily change the IP
address on the router if you forgot it. You can also locate the configured IP address of a router’s Ethernet interface.
For information about SPEEDManage, see the SPEEDManage User Guide.
Features (and Benefits)
2.4GHz DSSS, 2.4GHz OFDM and 5.8GHz OFDM License-free ISM band (No
lengthy licensing delays).
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Mesh topologies (Maximum network flexibility).
NAT & DHCP server/client (Secure and efficient network).
SPEEDManage suite for antenna alignment (via SPEEDSignal), troubles hooting
network problems and viewing nodes on a network (via SPEEDView) and creat­ing a temporary IP address (via IP Recover).
Web-based configuration.
Multihop, Self-healing (Increased network stability and performance).
4.9 GHz OFDM (Public Safety Band)
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Hardware AES 128-bit encryption for security between SPEEDLAN 9200
routers.
You can recover lost IP addresses. (Use IP Recover in SPEEDManage.)
Bandwidth Limiting: Users will now have the ability to control the bandwidth use
of each SpeedLAN unit in a mesh or a star network. This feature allows control­ling the amount of traffic from the Wireless Port to the Ethernet Port and also from the Ethernet Port to the Wireless Port with independent parameters.
ToS [Type of Service]: ToS provides a comprehensive traffic classification
scheme and the choice of 8 levels of priority selection for each classification. Tagged traffic is classified by its DiffServ Code Point, and untagged traffic by other set of properties like for example the protocol and IP port.
License Control: Allows a Speed LAN unit to be licensed to communicate with a
certain number of mobile clients that associate to it. The license if provided by uploading to a given unit a license file specific for that unit. This is a feature once believed by marketing to be a potential source of revenue. [A mobile client is a laptop or PDA with a standard radio card that and on which our mobile client application has been installed]
Configuration File Upload/Download: This feature was added at the request of
several customers since it helps the operations, administration and maintenance of a network because it simplifies the process of unit configuration that generally requir es a good degree of expertise and can lead to errors.
System Log: A configurable Sys Log capability was added to improve trouble-
shooting and general network management.
Ethernet Port DHCP Client: The DHCP client has been enhanced. The new
design propagates and uses additional fields provided by the DHCP server in the network.
Wireless Port DCHP Server: Server support has been added to the Wi reless Port
to assign IP addresses to mobile mesh clients.
Note: Advanced Encryption Standard was adopted by the National Institute of Standards and Technology in October of 2000. AES presents a new level in computer networking security, especially important in wireless communications because wireless circuits are easier to tap than their hard-wired counterparts.
AES is more difficult to crack than its predecessor Data Encryption Standard. These routers use an AES 128-bit encryption key.
Encryption Note! A Web browser must support 128 bit encryption in order to be used with the Configurator. For more information about AES, visit http://www.nist.gov. This User
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Guide explains how encryption works with 9200 products in A. Enabling Encryption Between SPEEDLAN 9200 Routers, page 4-4 and B. Enabling WEP Security Between a SPEEDMesh-Enabled Client and SPEEDLAN 9200, page 4-5.
Priority Queuing
Despite having two physical interfaces, a SPEEDLAN 9200 router can experience congestion. That is because the interfaces' bit rates are not matched. Specifically , packets can ingress (enter) the Ethernet interface faster than they can egress (exit) the wireless interface. If this occurs briefly, it is called short-term congestion, which can cause increased packet delay and/or jitter. If congestion lasts too long, it can cause packet discard ("loss"). Long-term congestion in a SPEEDLAN 9200 will typically only occur when it receives excessive unthrottled UDP traffic at its Ethernet interface. TCP traffic will self-throttle, typically experiencing only short-term congestion, if any.
A SPEEDLAN 9200 mitigates short-term congestion by providing priority egress queuing at its wireless interfaces. With priority queuing, packets may be transmitted in a different order than they wer e received. This allows favoring network management, VoIP and SCADA, over SMTP, ftp, and NNTP (for example).
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How does Priority Queuing work? The packets are prioritized into a hierarchy of queues, based on class of traffic. The highest priority queue packets are serviced first. When the highest queue is emptied, the next lower queue is serviced. The SPEEDLAN 9200 has four levels of priority queues. Queue 1 (the highest queue serviced) contains "management" traffic (i.e., RIP, Mesh& SNMP). Queue 2, the next lower queue serviced, contains "real-time" traffic (i.e., VOIP, Video, SCADA). Queue 3, the next lower queue serviced, contains "non-real time interactive" traffic (i.e., HTTP, SSH and Telnet). Queue 4 (the lowest level queue serviced) contains all traffic that doesn't fit into one of the first three queues. There are no matching or requirements for this queue; it is simply the default queue if the packet doesn't qualify for one of the first three queues.
SNMP
The SPEEDLAN 9200 contains a Simple Network Management Protocol (SNMP) Agent that provides a r emote Network Management System (NMS) with read-only ("get") access to certain configuration and status parameters. For more information, see SNMP, see SNMP, page 3-26.
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Equipment and Hardware
For information about equipment and hardware, see SPEEDLAN 9200 Hardware, page 2-1.
SPEEDLAN 9200 Mesh Protocol -- How It Works in Mesh Cells
Figure 1-1: SPEEDView illustrating a mesh network (in SPEEDManage suite)
SPEEDLAN 9200 routers provide the unique ability to "self-heal" the wir eless network as the topography changes over time, thereby increas ing the overall stability and performance of the network while allowing traffic to reach buildings blocked by obstructions of line-of-sight.
What is happening in Figure 1-1 on page 1-7?
You will notice negative numbers next to the routers, or referred to as nodes on
the network diagram. These numbers represent the receive signal strength (expressed as dBm) for the links in the network diagram.
The black dots in a mesh network diagram indicate a trace route, which maps out
the current data flow between the selected pair of nodes. A user would select the trace feature to view the data flow between a node pair (for mesh networks only).
This illustration also shows that every router in the mesh cell can be heard by
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
every other router in the cell, except for the blocked link indicating that there is no signal between those two nodes.
SPEEDView allows you to block traffic over any link in the cell. When you block a connection, the node pair will not be able to communicate. The advantage of blocking a connection is verifying that the path can be re-routed for successful connectivity. (This is done using the "Block" feature in SPEEDView. The broken [or disconnected] link will appear as a red line. This link also appears when there is no signal between two nodes.)
SPEEDView can also be used to perform bandwidth, link and ping tests.
Routing Around Obstacles
Obstacle
A
E
B
C
Figure 1-2: Routing around obstacles
Explaining this scenario on the simplest level (using the Mesh protocol as shown in Figure 1-2 on page 1-8). A can route a packet to B, despite the tree obstruction (block of trees) within the path. How does this procedure work?
D
1 A has line-of-sight to C but not to B. 2 C has line-of-sight to A and to B.
The most efficient path in this case is to hop from A to C to B. Note: No manual programming is required because A automatically detects its
neighboring router (in this case C, and B and detect a clear path to C). Therefore, the packet is successfully routed around the obstacle between B and A.
This process creates a more scalable, flexible, and extended wireless network (as shown in Document Changes & Corrections/Firmware Updates, page 1-11).
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SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
SPEEDLAN’s Mesh Cell Architecture
Specifically designed to meet the connectivity demands for everyone from single users to large corporations, all SPEEDLAN 9200 models are equipped for mesh operation. These models will communicate with every other mesh router within an unobstructed path.
Figure 1-3: An examp le of a mesh network
SPEEDLAN 9200 Mesh Core Components
SPEEDLAN 9200 Mesh protocol includes three central components which are neighbor discovery, topology updates, and routing.
Neighbor Discovery
Neighbor discovery occurs when each router sends a broadcast "hello" message to detect those routers to which it has line-of-sight. The "hello" sender acknowledges those replies, whereupon the sender and the neighboring router add each other to their r espective active neighbor lists. Neighbor discovery protocol messages are sent by each router on startup and periodically thereafter. The periodic messages are required to determine when a former neighbor can no longer be reached, whereupon it is removed from the active neighbor list. Neighbor discovery messages are relatively short and are sent infrequently enough that they don't constitute significant overhead.
Topology Updates
When a router adds or deletes a neighbor to or from its active neighbor list, it propagates that information to the rest of the routers in the wireless mesh LAN. Unlike classic wired routing protocols, topology update notifications are not flooded. Instead they are sent via a spanning tree, such that each router receives only one notification of a particular event. (A brief explanation of the spanning tree algorithm is explained in the note below.) This approach also conserves bandwidth for use in forwarding user traffic. Since each router
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
knows the topology of the entire wireless LAN, it can determine the shortest path to each peer router in the wireless LAN.
Note: In short, the spanning tree algorithm enables units to dynamically locate a subset of the topology that is loop-free. The spanning tree algorithm determines the best path a unit can use to send a message.
Routing
Routing is simply the act of forwarding a received Internet Protocol (IP) datagram (a block of data) toward its destination. The router compares the destination IP address to entries in its routing table. If the destination is a wireless neighbor or a node connected to the router's wired LAN, the router sends the datagram directly to the destination. Otherwise, it sends the datagram to another router, which must be on the wired LAN or be a wireless neighbor.
In wired broadcast LANs, all routers on the LAN can hear each other. Therefore, a datagram only passes through a router when it is moving from one LAN to another LAN along the path to its destination. In a mesh wireless LAN, not all routers can hear each other. Therefore, a router within a wireless LAN may forward a datagram to a neighbor router within the same wireless LAN, in or der to send the datagram towar d its destination. For each datagram, the routing algorithm minimizes the number of router-to-router hops within the wireless LAN, thereby also conserving bandwidth for other user traffic.
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Why SPEEDLAN Outperforms Other Routing Equipment
The SPEEDLAN 9200 outperforms other routers because the SPEEDLAN 9200 routing table broadcasts only the information that changed, such as when new routes ar e added or old routes are removed from the network. This information is sent to the router's immediate neighbors along the most efficient path to the end destination. This process helps conserve bandwidth. If an existing path is modified in some way, by the addition or deletion of a router, a SPEEDLAN 9200 using the Mesh protocol can monitor its routing table to decide if a secondary path should be taken. One could call this a "self-healing" network, which means it finds a secondary route through the network without manually reprogramming the routers.
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Document Changes & Corrections/Firmware Updates
Documents Changes & Corrections
Added IC (Canada) and ETSI channels in Channel Frequency Appendix, F-2 for
certified channels 1-11.
Added 12 dBm (13mW) under 5GHz column in Table 3-3, “TX Power List,” on
page 3-46.
Firmware Updates
The most current version of firmware is Version 2.2.0
This section informs the customer about new features and requirements for the SPEEDLAN 9200 firmware.
Bug Fixes:
Known Problems:
CHANGES PRIOR TO THIS RELEASE CAN BE FOUND IN Firmware History, Appendix E-1 OF THE SPEEDLAN 9200 USER GUIDE.
None
None
Contacting Technical Support
408-943-4202 (phone) 408-943-4355 (fax)
Note: Registered customers should check our web site on a regular basis for updates, router firmware, SPEEDView, and other utility programs. If you haven't registered your products yet, you may do so by visiting www.p-com.com.
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
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Chapter 2
SPEEDLAN 9200
Hardware
Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Rooftop and To wer Installations Warning
Rooftop, tower, and other mounted location equipment installations are extremely dangerous and incorrect installation can result in property damage, injury or death.
!
Regulatory Information
Install this device in accordance with the instructions provided in this User Guide. To determine the type of device you should use in your country , see the Radio Approval Table
!
Radio Approvals, Appendix C-4.
This equipment has been tested and found to comply with the limits of a Class B digital device, pursuant to Part 15 of the FCC Rules. Additionally, the equipment is certified to operate under Part 90, Subpart Y of the FCC rules to operate as a high power device in the 4.9 GHz PSB band with 5, 10, and 20 MHz channel bandwidths. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential environment. This equipment generates, uses, and radiates radio frequency energy, and if not installed and used in accordance with the instructions, may cause interference. If this equipment does cause interference to radio or television reception, which can be determined by turning the equipment off and on, the installer should correct the interference by one of the following measures:
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Reorient or relocate the receiving antenna.
Increase separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from which the
receiver is connected.
Consult the professional installer or an experienced radio/TV technician.
Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Warning! This radio device operates on a non-interference basis with other devices operating at this frequency when using the following antennas:
!
The Part 15 device mode at
2.4GHz: 12dBi external omni or 24dBi directional grid antenna.
5.8GHz: 10dBi external omni antenna. The 29dBi directional dish antenna
or 23dBi sector flat panel antenna may only be used with filter .
The Part 90 device mode at 4.9 GHz may be used with a 9 dBi omni or 26
dBi directional antenna.
Declaration of Conformity for RF Exposure
The radio module has been evaluated under FCC Bulletin OET65C and found compliant to the requirements as set forth in CFR 47 Sections 2.1091, 2.1093, and 15.247 (b) (4) addressing RF Exposure from radio frequency devices. The radiated output power of this wireless LAN device is far below the FCC radio frequency exposure limits. Nevertheless, this device shall be used in such a manner that the potential for human contact during normal operation is minimized. When using this device, a certain separation distance between the antenna and nearby persons must be maintained to ensure RF exposure compliance. In order to comply with RF exposure limits established in the ANSI C95.1 standards, the distance between the antenna and your body or nearby persons should not be less than:
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
General Safety Requirements for Installation of SPEEDLAN 9200 Models
1 The AC power socket outlet should be installed near the switching power
supply and junction box.
2 It is recommended that replacement of the battery which is soldered to the PC
board should be done by manufacturer or professional installer. CAUTION: THERE IS RISK OF EXPLOSION IF BATTERY IS REPLACED BY INCORRECT TYPE. DISPOSE USED BATTERIES ACCORDING TO INSTRUCTIONS.
3 During installation of SPEEDLAN 9200 on a tower, pole or wall,
the necessary clearance from the power and lightning conductors should be maintained and proper grounding provided. The installation should be done in accordance with National Electrical Code:
NEC Article 725 – CEC Rule 16
NEC Article 800 – CEC Section 60 and
NEC Article 810 – CEC Section 54.
Hardware Overview
The SPEEDLAN 9200 offers all the equipment you need to meet your connectivity requirements:
SPEEDLAN 9201: A router used in a non-line-of-sight pico cell (using the Mesh
SPEEDLAN 9202: This model can be configured as Customer Premise
SPEEDLAN 9203: This model is pre-configured as a base station but can be
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protocol). This router contains an integrated 8 dBi, omni antenna (for 2.4 GHz only) which is directly attached on the top. You do not need an additional external antenna. The parameters are configured with the Mesh proto­col in the SPEEDLAN 9200 Configurator. This type of self-healing Mesh topol­ogy process helps you r each buildings that do not have a clear line-of-sight back to a base station without the possibility of interference from hidden transmitters. For more information on this topic, see SPEEDLAN 9200 Mesh Protocol -- How It Works in Mesh Cells, page 1-6.
Equipment (CPE) at one end of the point-to-point or point-to-multipoint link. It can be used with a 2.4GHz or 5.8GHz external antenna.
reconfigured to function as a CPE router or as one end of a point-to-point or
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
point-to-multipoint link. It can be used with a 2.4GHz or 5.8GHz external antenna.
SPEEDLAN 9204: This model provides the same functionality as a SPEEDLAN
9201, but it uses an integrated 5 dBi omni (for 2.4GHz only). The SPEEDLAN 9204 is intended for more densely populated cells.
SPEEDLAN 9200 (Option #10-15): This is the new model numbering format.
The Option # identifies the router’s topology capabilities. See the following Table 2-1.
Table 2-1: 9200 Topology Configuration Table
As of October 2005, the model numbering format changed. The new model numbering format uses a Configuration Option # to distinguish different models.
The SPEEDLAN 9200 is housed in a waterproof, cast enclosure that mounts outside the building, on a mast, or tower. The SPEEDLAN 9200 allows up to 300’ of specialized, outdoor Ethernet cable to be used between the LAN and the RF device, without loss of any radio signal. This increases the effective wireless link distance and reduces or even eliminates the need for an amplifier.
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Tips for Antenna Alignment
You are encouraged to us e the tran sm i t p ower test during installation if you have a spectrum analyzer or power meter to measure the output for the antenna alignment. For more information, see the SPEEDManage User Guide. The SPEEDSignal application will also help installers align or position antennas on SPEEDLAN 9200 units.
Drawings of Outdoor, Remote-Mounted Components
Indoor Junction Box
When the green light is illuminated, the DC voltage is being injected
DC jack to external power supply
WARNING!: Make sure the networ k is plugged into the LAN interface, and that the radio is plugged into the radio interface. If you do this procedure wrong, the voltage that is meant to go to the radio can damage a device on the network.
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Grounding - Ground the wire to the nearest earth ground. Indoor ground plug will be installed here.
To LAN To Radio
Figure 2-1: Indoor junction box for SPEEDLAN 9200
SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
SPEEDLAN 9201/9204 with an Integrated Omni-Directional Antenna
*Pole/tower leg
*Note: The minimum outside Integrated omni
diameter of the pole is 1.25 inches.
The maximum outside diameter
of the pole is 2.5 inches.
Grounding wire (optional) to appropriate outdoor ground
Router
outdoor CAT5 cable to junction box
V-bolt
V-bolt
Figure 2-2: SPEEDLAN 9201/SPEEDLAN 9204 installation
The installation steps for the SPEEDLAN 9201 and SPEEDLAN 9204 are similar, but the SPEEDLAN 9201 uses a larger omni and the SPEEDLAN 9204 uses a smaller omni­directional antenna.
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Part # 34357-MNL Rev. B SPEEDLAN 9200 User Guide
Bottom View of SPEEDLAN 9201/SPEEDLAN 9204
Power/Ethernet (CAT5 down to junction box)
Figure 2-3: Bottom view of case
System Description
These are high-speed, long range wireless LAN outdoor, remote-mounted units/routers that provide building-to-building connectivity in a mesh cell.
Package Contents
SPEEDLAN 9201 or SPEEDLAN 9204
CD containing: Adobe Acrobat Reader, SPEEDManage software & User Guide,
this User Guide, Installation Diagram booklet and Getting Started Guide
Indoor junction box
Power supply
Integrated, omni-directional antenna
V-bolt kit which includes the following
Bolt, V, Tower Mount, Stainless Steel (quantity 2)
Nut, 1/4"-20, Serrated Flange, Stainless Steel (quantity 4)
V-Bracket, Tower Mount, Aluminum (quantity 2)
The following items are included with the installation kit, which can be purchased separately:
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SPEEDLAN 9200 User Guide Part # 34357-MNL Rev. B
Hardware ties
Specialized CAT5 cable
Customer Sourced / Other
Combination wrench or socket wrench (7/16") to tighten the nuts on the V-bolts
(customer sourced only)
Other tool accessories that can be purchased separately from Wave Wireless ar e:
cable, connectors, crimpers, spectrum analyzer, shrink wrap, putty, aluminum 2" pole, extendable mast, ballast mount, peak roof mount, extra v-bolts, nuts, grounding rod clamps, wall mounts
Installation Steps for the SPEEDLAN 9201/SPEEDLAN 9204
To install your SPEEDLAN 9201/SPEEDLAN 9204, follow the steps below: Step 1: Mounting the SPEEDLAN 9201/SPEEDLAN 9204 This router will have an omni directly attached. No additional steps are needed for this
step. Go to Step 2. Step 2: Mounting the SPEEDLAN 9201/SPEEDLAN 9204 on the Pole
Pole Mount: Attach the router to the mounting pole using the two V-bolted
clamps and aluminum bracket, one on top of the router and the other on the bot­tom of the router. Make sure you tighten the nuts for the clamps securely to pre­vent shifting of the router after antenna alignment.
Step 3: Running the Cabling
1 Run outdoor CAT5 cable (from bottom of router) down to junction box located
inside the building.
2 Secure grounding wire by running this wire to a suitable "earth" ground and fas-
ten it securely in place. See the installation diagram following these directions.
3 Install proper indoor ground plug into the junction box. Connect the outdoor
CAT5 Ethernet to the "radio" jack. Connect the LAN Ethernet cable to the "LAN" jack of the junction box. Install the power supply DC connector to the junction box. Plug the external power supply into the wall outlet. (The VAC power outlet’s input voltage of this universal adapter can vary from 100 to 250 VAC.) Connect the DC output of the adapter to DC jack on the indoor junction box.
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