NS40 User Manual Rev B
User Manual: NS40 User Manual Rev B
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NS40 I.S. Wireless Network Switch User Manual Contents Revision History............................................................................................................................................7 Contact Information.......................................................................................................................................9 About This Manual......................................................................................................................................11 Chapter 1: I.S. Wireless Network Switch................................................13 1.1 Hardware Overview...................................................................................................................14 1.2 System Layout Overview..........................................................................................................15 1.3 Connectivity...............................................................................................................................16 1.3.1 Composite Fibre Ports................................................................................................17 1.3.2 Wireless Access Points...............................................................................................18 Chapter 2: Installing I.S. Wireless Network Switches...........................19 2.1 Pre-Installation Planning...........................................................................................................20 2.2 Mounting an I.S. Wireless Network Switch..............................................................................20 2.3 Cables........................................................................................................................................21 2.3.1 Power and Data Cables...............................................................................................21 2.3.2 Coaxial cables ............................................................................................................24 2.4 Antennas....................................................................................................................................26 2.4.1 Antenna Placement and Layout..................................................................................27 2.5 Before Powering Up the I.S. Network Switch...........................................................................28 Chapter 3: Understanding VLANs .........................................................29 3.1 Understanding Trunk and Access Ports.....................................................................................30 3.1.1 Trunk Ports.................................................................................................................30 3.1.2 Access Ports................................................................................................................30 3.1.3 Port Allocation............................................................................................................30 3.2 Wireless MAC VLAN Bridge....................................................................................................30 3.3 Native VLAN ............................................................................................................................31 Chapter 4: Configuration using the Web Interface ..............................33 4.1 Logging onto the Web Interface................................................................................................34 4.2 Configuration Page....................................................................................................................34 4.2.1 Changes Menu............................................................................................................35 4.3 Overview Tab.............................................................................................................................36 4.3.1 Setting the Language..................................................................................................36 4.3.2 Logging out of the Web Interface...............................................................................37 4.4 Status tab....................................................................................................................................37 4.4.1 Viewing System Status...............................................................................................37 4.4.2 Viewing Wireless Networks........................................................................................38 Revision B 3 I.S. Wireless Network Switch 4.4.3 Viewing AeroScout Status..........................................................................................39 4.4.4 Viewing Ports and STP Status....................................................................................40 4.4.5 Viewing MAC Address Table.....................................................................................41 4.4.6 Viewing Routes...........................................................................................................42 4.4.7 Viewing System logs...................................................................................................43 4.4.8 Viewing Kernel Logs..................................................................................................43 4.5 System tab..................................................................................................................................44 4.5.1 Changing System Settings..........................................................................................44 4.5.2 Changing the System Administrator Password...........................................................45 4.5.3 Managing System Processes.......................................................................................45 4.5.4 Configuring Location Based Services........................................................................46 4.5.5 Configuring Network Time........................................................................................48 4.5.6 Changing the Unit Serial Number..............................................................................49 4.5.7 Backup and Restore Settings......................................................................................49 4.5.8 Rebooting the Device.................................................................................................51 4.6 Network Tab..............................................................................................................................51 4.6.1 Configuring LAN Interface Settings..........................................................................51 4.6.2 Configuring Wireless Interface Settings.....................................................................52 4.6.3 Configuring Wireless MAC VLAN Bridge Settings..................................................56 4.6.4 Configuring Composite Fibre Ports............................................................................58 4.6.5 Configuring Rapid Spanning Tree Protocol...............................................................59 4.6.6 Managing Simple Network Management Protocol ...................................................61 4.6.7 Defining VLANs.........................................................................................................61 4.6.8 Adding Static Routes..................................................................................................63 Appendix A: Troubleshooting Guide ......................................................65 Appendix B: Acronyms.............................................................................67 Appendix C: Composite Cable Testing....................................................69 C.1 Visual Inspection of the Fibre Optic Cable...............................................................................69 C.2 Measuring and Testing for Power Loss.....................................................................................69 Appendix D: Connecting a PC to an I.S. Wireless Network Switch.....71 Appendix E: Discovering Devices on the Network.................................75 Appendix F: I.S. Wireless Network Switch Reset and Reboot..............77 Appendix G: I.S. Wireless Network Switch Specifications....................81 I.S. Wireless Network Switch 4 Revision B Appendix H: Maintenance Checklist......................................................83 Appendix I: MSHA and IEC Approvals.................................................85 Appendix J: Warranty and License Agreement.....................................87 J.1 Hardware Warranty....................................................................................................................87 J.2 Software End User License Agreement.....................................................................................87 Revision B 5 I.S. Wireless Network Switch I.S. Wireless Network Switch 6 Revision B Revision History Revision Change Date A User manual for NS40 hardware rev. D and firmware June 2011 0.9.36 B Revision for firmware 1.2.0 August 2011 Copyright © 2011 Mine Site Technologies Pty Ltd. All rights reserved. Mine Site Technologies Pty Ltd reserves the right to make changes to specifications and information in this manual without prior notice. Mine Site Technologies Pty Ltd accepts no responsibility for any errors or omissions contained in this manual. Revision B 7 I.S. Wireless Network Switch Contact Information AUSTRALIA Sydney 25-27 Whiting Street Artarmon NSW 2064 AUSTRALIA Tel: +61 2 9437 4399 CANADA Sudbury 1085 Kelly Lake Road Sudbury Ontario P3E 5P5 CANADA Tel: +1 705-675 7468 CHINA Hangzhou 4th Floor, Building 1 No. 5 Xianghong Road Hangzhou CHINA 310011 Tel: +86 571 85803320x206 UNITED STATES Denver 13301 W 43rd Drive Golden Colorado 80403 USA Tel: +1 303-951 0570 Revision B 9 I.S. Wireless Network Switch About This Manual This manual describes features and functions of the NS40 Intrinsically Safe Wireless Network Switch. It provides information about hardware installation, operation, configuration and how to troubleshoot any issues. You will find it easier to use the manual if you are familiar with networking systems and have an understanding of electronics in a network environment. Conventions used in the manual This publication uses the following conventions to highlight and convey information: • Text that requires input from an operator is boldfaced. • Operator interface screen control names are boldfaced. • Keyboard input keys are CAPITALISED. Icons Icons are used in the manual to highlight specific information as shown the table below. Icon Description Note: The Note icon indicates important information or references to the user. Important: The Important icon contains information to prevent damage to the product and injury to the user. Caution: The Caution icon indicates to stop and pay attention or an action not to be performed. Additional Support For additional support please visit our website www.minesite.com.au. Revision B 11 I.S. Wireless Network Switch Chapter 1 I.S. Wireless Network Switch Topics: • • • Hardware Overview System Layout Overview Connectivity The Mine Site Technologies Intrinsically Safe Wireless Network Switch (NS40) consists of a managed fibre optic Ethernet switch and two 802.11b/g wireless access points. It provides wired and wireless network access in hazardous coal mining environments. The NS40 forms part of the ImPact Intrinsically Safe Communications System, providing the network infrastructure where voice, tracking, video, process control and data applications are used to enhance mining safety and communication. The NS40 has the following features: • • • • Four fibre optic fast Ethernet ports Two 802.11b/g wireless access points Powder-coated stainless steel enclosure complying to IP65 standards AeroScout Tag reading capability for real time tracking of assets and personnel • Composite cabling that incorporates both power and fibre optic connectivity • Low power design operating from 8 to 15.1VDC for Intrinsically Safe mining environments • Rapid Spanning Tree Protocol for network redundancy. Revision B 13 I.S. Wireless Network Switch I.S. Wireless Network Switch 1.1 Hardware Overview The features and functions of the NS40 are illustrated in Figure 1: NS40 hardware and the accompanying table. Figure 1: NS40 hardware Key Description Function 1 Composite fibre port. Power and / or fibre optic connectivity via composite cable, fibre optic cable or DC power cable. 2 Composite fibre port number. By default, composite fibre port 1 is the upstream port. 3 Status indicator LED for each CPU. The status LEDs indicate the following: I.S. Wireless Network Switch LED status Indication Off CPU is not running. Blinking slowly CPU is operating. Blinking fast CPU is booting up. 14 Revision B I.S. Wireless Network Switch Key Description Function 4 Wi-Fi LEDs indicate the following: Wi-Fi indicator LED for each CPU. 5 Composite fibre port link / Activity LEDs. LED status Indication Off Wireless radio is disabled. On Wireless radio is enabled. Flashing Transmitting or receiving data. The fibre port LEDs indicate the following: LED status Indication Off Fibre transceiver is disabled or has not established a link to the next device. On Fibre transceiver is enabled and has established a link to the next device. Flashing Transmitting or receiving data. 6 25mm diameter mounting hole. NS40 mounting point. 7 10mm diameter mounting hole. NS40 mounting point. 8 Receive (Rx) antenna port for wireless radio 1. RP-TNC jack for connecting an antenna to wireless radio 1. 9 Transmit (Tx) and receive (Rx) RP-TNC jack for connecting an antenna to wireless radio 1. antenna port for wireless radio 1. 10 Receive (Rx) antenna port for wireless radio 2. 11 Transmit (Tx) and receive (Rx) RP-TNC jack for connecting an antenna to wireless radio 2. antenna port for wireless radio 2. 12 Antenna port protective cap. Protective cap when antenna ports are not in use. 13 Composite fibre port retention arm. Protective arm to lock fibre port covers and cable connectors. RP-TNC jack for connecting an antenna to wireless radio 2. 1.2 System Layout Overview NS40s are used to form a network system known as the ImPact Intrinsically Safe Communications System. Each NS40 is placed at a location where data, voice, and tracking applications are required. An Intrinsically Safe network consists of a number of cells. Each cell consists of: • • • • A power supply unit (PSU) Up to four NS40s A pair of antennas for each 802.11b/g wireless access point Interconnection cables consisting of power cables, fibre optic cables, composite cables and coaxial cables Revision B 15 I.S. Wireless Network Switch I.S. Wireless Network Switch • Antenna splitter boxes • Junction boxes that are used to join composite cable lengths greater than 325m. Figure 2: An example of an Intrinsically Safe network The Intrinsically Safe design of the network requires each cell to be individually powered and that electrical power must not travel between them. Fibre optic cables is used to connect between cells to provide network connectivity as shown in Figure 2: An example of an Intrinsically Safe network. Cells can be connected in a loop configuration to provide multiple redundant network paths to the surface. The NS40 supports Rapid Spanning Tree Protocol (RSTP), which monitors these loops and can redirect data traffic if an active link fails. 1.3 Connectivity The NS40 has two types of network connections: • Composite fibre ports • Wireless access points. I.S. Wireless Network Switch 16 Revision B I.S. Wireless Network Switch 1.3.1 Composite Fibre Ports Each side of an NS40 unit has two composite fibre port connectors with a crush protection cover. Each connector consists of two electrical contacts and a duplex LC single mode optic fibre (SMOF) receptacle as shown in Figure 3: Composite fibre ports. Note: A protective cover or a mating cable connector must be attached to each port to maintain the IP65 (Ingress Protection) rating of the unit. Leaving a port uncovered whilst an NS40 is operating breaches the IP65 rating and consequently the Intrinsic Safety Certification. Figure 3: Composite fibre ports Each port can be connected in one of the following ways: Port connection Description DC power only connection A DC power cable to connect the PSU to the electrical contacts on an NS40 within a cell. By convention, this cable is connected to port 4. Fibre only connection A fibre optic cable terminated to the fibre contacts of the NS40 composite connector. Fibre and DC power connection A composite cable providing fibre optic connectivity and power to the NS40 in a cell. Fibre optic cabling provides numerous benefits over Ethernet cabling, with superior signal integrity and no signal interference from high powered electronics. It also enables NS40s to be spaced over longer distances without the distance limitation of Ethernet cabling. By default port 1 is configured as the upstream port and ports 2, 3 and 4 as the downstream ports. The difference between upstream and downstream ports is the orientation of the fibre that is used for transmitting data and the fibre used for receiving data. This is illustrated in Figure 4: Fibre orientation of Upstream and Downstream ports. Revision B 17 I.S. Wireless Network Switch I.S. Wireless Network Switch Figure 4: Fibre orientation of Upstream and Downstream ports Due to the difference in the fibre orientation, MST composite cable and fibre optic cable can only be connected between ports on NS40 devices marked with a tick in the matrix below. Port 1 Port 2 Port 3 Port 4 Port 1 Port 2 Port 3 Port 4 1.3.2 Wireless Access Points The NS40 has two 802.11 b/g radios allowing up to two wireless access points. Each wireless access point is managed by a CPU and can be enabled or disabled through the web browser interface. For more information, see Configuring Wireless Interface Settings on page 52. I.S. Wireless Network Switch 18 Revision B Chapter 2 Installing I.S. Wireless Network Switches Topics: • • • • • Pre-Installation Planning Mounting an I.S. Wireless Network Switch Cables Antennas Before Powering Up the I.S. Network Switch This chapter describes mounting and installation of NS40s, antennas, and connection of cables. Fibre plug assembly and cable termination are beyond the scope of this manual. Important: The electronic components in an NS40 are designed to be isolated from the enclosure and local electrical earth. This is known as galvanic isolation and ensures there is no current passing between grounds of different potential. In the event of a short circuit to earth, galvanic isolation allows all devices within a cell to be intrinsically safe as there are no loops for current to flow. Galvanic isolation must always be maintained in the following manner: • All NS40 circuitry isolated from the enclosure (and electrical earth) • Use of approved Intrinsically Safe Uninterruptible Power Supply (I.S. UPS) • All antenna and coaxial cable connections properly insulated. Revision B 19 I.S. Wireless Network Switch Installing I.S. Wireless Network Switches 2.1 Pre-Installation Planning A detailed design study of a mine must be conducted by an MST System Engineer to determine specific network requirements and design before installation. The following factors help determine network design: • • • • • • • • Wireless coverage requirements of the mine Quantity and type of wireless client devices connected to the network Wired client devices connected to the network and their location Access to Intrinsically Safe power Interconnection to the mine's existing corporate network Policies for network protocols between networks Cabling requirements Antenna types to use with each unit, whether antenna splitters are required, and mounting method for each antenna • Mounting location and installation method for each NS40. 2.2 Mounting an I.S. Wireless Network Switch The mounting location of each NS40 should be free from debris, and should not be an obstruction to vehicles, machinery, vent tubing, piping and cables. It can be mounted horizontally or vertically. The NS40 has mounting points shown in Figure 5: NS40 mounting points providing several installation options. The 10mm and 25mm diameter mounting holes allow the NS40 to be cable-tied to the mesh in a mine tunnel. The 25mm diameter mounting holes also allow the NS40 to be secured to rock bolts in the mine rock face. I.S. Wireless Network Switch 20 Revision B Installing I.S. Wireless Network Switches Figure 5: NS40 mounting points 2.3 Cables An Intrinsically Safe network must only use approved cables for the interconnection of cells and devices. Please consult your MST System Engineer if you have any cabling queries. Important: Please ensure the power supply is turned off and de-energised before attaching or detaching any cables in a cell. 2.3.1 Power and Data Cables Cables terminated with a connector which attach to the NS40 ports are described in the table below: Cable type Description and function Composite A fibre optic cable pair and a DC power cable pair in a single outer jacket as shown in Figure 6. It transfers power and data between an NS40s or an I.S. PSU and the attached network device. The maximum length of composite cable is 325m between NS40 units. Multiple cable lengths can be joined by another NS40 or junction boxes (model no. JB10 or JB11). Revision B 21 I.S. Wireless Network Switch Installing I.S. Wireless Network Switches Cable type Description and function Fibre optic A fibre optic cable pair in a single outer jacket. This cable transfers data to an NS40 or another network device. Multiple cable lengths can be joined by junction boxes (model no. JB10, JB11 or JB12) DC power A DC power cable pair that transfers power between a I.S. PSU and an NS40 or a junction box (JB11). Figure 6: Composite Cable Installation Procedure The following procedure demonstrates how composite connector cables are attached to the NS40. Step Description 1 Insert an allen key (0.125" or 3.18mm hex driver) to remove the hex screw on the retention arm. 2 Slide out the retention arm from the NS40. I.S. Wireless Network Switch Illustration 22 Revision B Installing I.S. Wireless Network Switches Step Description 3 Push down on the locking catch for the port and remove the cover. 4 On the cable, push open the locking catch and remove the connector cover. 5 Align the pins on the connector to the composite fibre port. 6 Insert the cable into the composite fibre port, and push the locking catch to the connector. Illustration Important: Check that all unused composite fibre ports have a cover fitted. 7 Revision B To lock connection, slide the retention arm back into the unit and screw the hex nut tight. 23 I.S. Wireless Network Switch Installing I.S. Wireless Network Switches Extending Cable Runs with Junction Boxes Power and data cable runs can be extended in a network using junction boxes JB10 and JB11. Junction boxes also provide an inductance barrier, limiting current and voltage to maintain Intrinsic Safety in a network. The JB11 shown in Figure 7: JB11 junction box also has a DC connector. This enables separate fibre optic and power cables to be joined to the JB11, and a composite cable run from the JB11 to the NS40. This frees up ports on the NS40 for connecting other devices. Figure 7: JB11 junction box 2.3.2 Coaxial cables Coaxial cables connect an NS40's antenna ports to the antennas to transmit and receive wireless signals. Coaxial cables connect from each of the NS40 antenna ports to either an antenna or a signal splitter, which then connects to multiple antennas. Use only MST approved low capacitance LMR-400-FR coaxial cable with the system. Coaxial cable length should be kept short as possible to minimise signal loss. It is recommended to keep cable length to less than 10 metres. The absolute maximum length is dependent on local compliance approvals. For example, up to 50 metre coaxial cable length is approved in the U.S.A. Important: MST coaxial cables have connector covers that protect the exposed metal of the coaxial connectors. The covers must be in place providing protection to an Ingress Protection (IP20) rating level and galvanic isolation. If coaxial connectors only have metal sleeves, they must be insulated using amalgamated rubber tape. Installation Procedure The following procedure demonstrates how coaxial cables are connected and insulated to the NS40. I.S. Wireless Network Switch 24 Revision B Installing I.S. Wireless Network Switches Step Description 1. Unscrew antenna cover from the antenna port. 2. Connect the coaxial cable connector to the antenna port and tighten the outer metal sleeve slide connector cover over the connection. If the connector has no cover, use the following steps as described below. 3. Insulate the connection using self-amalgamating rubber tape. Start at the base of the connection and pull back the rubber tape backing. 4. Pull the tape tightly, and tape around the connector at an angle until it is 25mm past the end of the connection. Revision B Illustration 25 I.S. Wireless Network Switch Installing I.S. Wireless Network Switches Step Description 5. Wind the rubber tape at an angle back down towards the base of the connection and cut the tape. 6. Cable tie and mount coaxial cables in locations that are free from obstructions. Illustration Important: Check that all unused antenna ports remain covered with the supplied antenna port covers. 2.4 Antennas An NS40 has two antenna ports for each 802.11b/g wireless radio. Antennas are connected to the NS40 to optimise wireless signal coverage in the underground mining environment. The choice of antenna will depend on wireless coverage, surrounding geology, tunnel topology and stratum type. The antenna types used in a network are described below. Antenna Type Illustration Description Omndirectional antenna An antenna that radiates equally in all directions. It provides direct coverage in an open area. Diversity panel antenna A diversity panel antenna contains two antennas. It is used for providing better signal reception in difficult areas, and a more accurate AeroScout tag location when Wi-Fi tracking is implemented. Diversity antennas require two antenna connections to the network switch. I.S. Wireless Network Switch 26 Revision B Installing I.S. Wireless Network Switches Antenna Type Illustration Yagi directional antenna Description A Yagi antenna is a highly directional antenna providing a very narrow but longer horizontal beamwidth. They are ideally suited for line of sight tunnel communications. Yagi antennas need to be aimed accurately and avoid obstacles in their RF beam path. Note: Only approved antenna models can be connected to the NS40. Please consult your MST System Engineer for any queries. 2.4.1 Antenna Placement and Layout Antennas are usually mounted separately from an NS40 to optimise transmission and avoid any obstructions in a mine tunnel. An antenna splitter can be used connect two antennas to a single antenna port. This provides greater flexibility in the configuration and placement of antennas to improve wireless coverage. Antenna placement is dependent on the surrounding geology, tunnel topology and stratum type. Antennas can be configured in different layouts to achieve different RF patterns. The following considerations in the placement of antennas are described and illustrated below. Scenario Antenna Illustration Placement 1. Antennas should be mounted and angled to give optimum transmission along curves and dips. 2. Antennas should be mounted to avoid signal obstruction from rock, vehicles, equipment and machinery. Revision B 27 I.S. Wireless Network Switch Installing I.S. Wireless Network Switches Scenario Antenna Illustration Placement 3. Multiple antennas should be mounted to avoid crossing signal paths. 2.5 Before Powering Up the I.S. Network Switch After an NS40 is installed, use the following check list before supplying power to the NS40 (and cell). 1. Check that the NS40 mounting is secure and free from obstructions. 2. Check that the antenna mountings are secure and free from obstructions. 3. Check all NS40 ports are protected from coal dust ingress by one of the following: • • • • connection to a composite cable connection to a fibre optic cable connection to a DC power cable fitted with a protective cover. 4. Check all antenna ports are protected from electrical contact (to a level of IP20) by one of the following: • connection to a coaxial cable, with a protective cover fitted over the connector • insulation of the connectors with amalgamated rubber tape • fitted with a protective cover (attached to the NS40). I.S. Wireless Network Switch 28 Revision B Chapter 3 Understanding VLANs Topics: • • • Understanding Trunk and Access Ports Wireless MAC VLAN Bridge Native VLAN This chapter explains the principles behind Virtual Local Area Networks (VLANs). It is important to understand VLANs to properly configure an NS40. A VLAN is a collection of nodes grouped according to their function or application, rather than their physical location. They are grouped in order to separate and prioritise data within a network. In the context of NS40 devices, VLANs are created to separate multiple applications such as voice, process control, data and video in a mining network. Figure 8: An example of two VLANs distributed across three switches Figure 8: An example of two VLANs distributed across three switches shows two VLANs distributed across three network switches. PCs can only communicate to other PCs, and MinePhones can communicate to other MinePhones because they are on the same VLAN. Revision B 29 I.S. Wireless Network Switch Understanding VLANs 3.1 Understanding Trunk and Access Ports When VLANs are enabled, network switch ports are assigned to be either trunk ports or access ports. These two types of port allocations determine how data is transmitted and relayed. 3.1.1 Trunk Ports Trunk ports provide a connection for multiple VLANs between network devices and access points. They will only transmit frames (packets of data) that belong to the assigned VLANs. To identify the frames, a network switch will add a tag (known as an 802.1Q tag) to the frame. The tag contains the following information: • VLAN ID — allows the network switch receiving a frame to identify the VLAN it belongs to for distribution. • Priority ID — allows the network switch to prioritise distribution when multiple frames are being transmitted. Priority ID ranges from 0-7, where 7 is the highest priority. When a network switch receives a tagged frame, the tag is read to determine the VLAN it belongs to. If the switch has devices connected via access ports on the same VLAN, the tag is removed and sent those devices. If the switch has other trunk ports that have the VLAN as a member, the frame is sent with the tag intact. When the network switch receives multiple frames, it will prioritise the distribution of frames based on the Priority ID in the VLAN ID tag. For more information on creating VLANs, see Defining VLANs on page 61. 3.1.2 Access Ports Access ports connect client devices such as PCs and laptops to the network switch, and can only be assigned to a single VLAN. Access ports can only send and receive untagged frames belonging to the assigned VLAN. Any tagged frames sent to an access port will be dropped. 3.1.3 Port Allocation Any physical ports on the NS40 can be configured to be a trunk port or access port using the web browser interface. The NS40 default configuration has fibre ports 1-4 allocated as trunk ports as they are usually connected to other NS40s. For more information on defining ports , see Configuring Composite Fibre Ports on page 58. 3.2 Wireless MAC VLAN Bridge VLANs on the wireless network are configured as MAC based VLANs. This means that a wireless device belongs to a VLAN based on its MAC address. A MAC Address Table specifies which MAC addresses belong to a VLAN. If a wireless device has a MAC address that is not defined to a particular VLAN, any frames sent from the device will be allocated to the default VLAN. The MAC address tables and default VLAN can be configured in the web browser interface as described in Configuring Wireless MAC VLAN Bridge Settings. An example of a wireless network is shown in Figure 9: An example of Wireless MAC VLANs. I.S. Wireless Network Switch 30 Revision B Understanding VLANs Figure 9: An example of Wireless MAC VLANs 3.3 Native VLAN Trunk ports on an NS40 support a native VLAN. The native VLAN capability allocates untagged frames received on trunk ports to be associated with the Infrastructure VLAN. This allows client devices such as PCs or laptops to access and manage an NS40. An example of the native VLAN capability is illustrated in Figure 10: An example of the native VLAN capability and described below. Revision B 31 I.S. Wireless Network Switch Understanding VLANs Figure 10: An example of the native VLAN capability I.S. Wireless Network Switch 32 Revision B Chapter 4 Configuration using the Web Interface Topics: • • • • • • Logging onto the Web Interface Configuration Page Overview Tab Status tab System tab Network Tab This chapter describes the process for configuring the NS40 using a web browser. All screenshots were generated from devices with firmware version 1.2.0 The NS40 has a built-in web-server accessible by a PC to configure settings. A PC accesses the web browser interface by making a TCP/IP connection to the network switch. For more information on connecting a PC to an NS40, see Connecting a PC to an I.S. Wireless Network Switch on page 71. The IP address of the network device can be located and configured using the UbiDevman device discovery tool. For more information on how to use UbiDevman, see Discovering Devices on the Network on page 75. Revision B 33 I.S. Wireless Network Switch Configuration using the Web Interface 4.1 Logging onto the Web Interface The web browser interface has a login page that requires administrator access. By default the password is 'admin'. Note: Login and configuration needs to be carried out for each CPU in every NS40 in a network. Each CPU in the NS40 is configured with a different IP address. To log onto the web browser interface: 1. Launch your web browser and enter http://in the address field. The factory default IP address for the NS40 is 192.168.1.90 for CPU 1 and 192.168.1.91 for CPU 2. 2. Press the ENTER key. The NS40 login page is displayed. 3. Enter the username in the Username field. The factory default username is admin. 4. Type the password in the Password field. The factory default password is admin. 5. Click Login. The configuration home page is displayed. 4.2 Configuration Page After logging on, the configuration main page is displayed by default as shown in Figure 11: Default configuration page. I.S. Wireless Network Switch 34 Revision B Configuration using the Web Interface Figure 11: Default configuration page The configuration page is divided into four section tabs across the top of the screen: • Overview — web pages to configure language and logout of the web browser. • Status — displays system information, connected devices, wireless clients, system logs, and kernel logs. • System — web pages to configure time, password access, location based services, saving and restoring device configuration, firmware upgrades and rebooting the device. • Network — web pages to configure the LAN interface, wireless network, Wireless MAC VLANs, Spanning tree, VLANs and static routes. 4.2.1 Changes Menu Any unsaved changes made to the NS40 configuration is displayed at the top right of the configuration page shown in Figure 12: Unsaved changes drop-down menu. Revision B 35 I.S. Wireless Network Switch Configuration using the Web Interface Figure 12: Unsaved changes drop-down menu Clicking Unsaved Changes will display a drop-down menu. The drop-down menu actions are described in the table below. Action Description Save & Apply Saves changes and applies new settings to the device. Apply Applies changes to the device. Revert Removes any unsaved changes. Changes Displays the details of unsaved changes. 4.3 Overview Tab The Overview tab section configures language settings and logs out of the web browser interface. 4.3.1 Setting the Language The language can be selected from the drop-down menu in the Language field as shown in Figure 13: Language configuration page. The web browser interface currently only supports English. Future firmware updates will include other languages. I.S. Wireless Network Switch 36 Revision B Configuration using the Web Interface Figure 13: Language configuration page 4.3.2 Logging out of the Web Interface Clicking Logout from the drop-down menu in the Overview tab as shown in Figure 14: Logging out will logout from the web browser interface. Figure 14: Logging out 4.4 Status tab The Status tab section contains web pages to configure system information, connected devices, wireless clients, system logs and kernel logs. 4.4.1 Viewing System Status The System Status status page as shown in Figure 15: System Status page displays details of the device, system time and current firmware version. Revision B 37 I.S. Wireless Network Switch Configuration using the Web Interface Figure 15: System Status page 4.4.2 Viewing Wireless Networks The Networks page displays information about the wireless network on the NS40 as shown in Figure 16: Wireless Network status page. Figure 16: Wireless Network status page Field Description Link Displays wireless signal strength. ESSID Name of the network. BSSID Name (MAC address) of the access point. Channel Wireless channel allocation. I.S. Wireless Network Switch 38 Revision B Configuration using the Web Interface Field Description Protocol Network protocol used. Mode Wireless network mode. Encryption Wireless security encryption type. Power Display of transmission power. The page can also display details of surrounding wireless networks as shown in Figure 17: Results of a sample wireless network scan by clicking Scan. Figure 17: Results of a sample wireless network scan 4.4.3 Viewing AeroScout Status The AeroScout Status page displays AeroScout® tracking engine settings. Figure 18: AeroScout Status page Field Description Server Address: Port IP address and port number of the AeroScout Engine. SendTo Address: Port IP address and port number of the AeroScout Engine that an Access Point will send a tag report. TAG SRC MAC The MAC address that tag messages are received for. Tag Reporting Indicates whether Wi-Fi tag reporting is enabled. Revision B 39 I.S. Wireless Network Switch Configuration using the Web Interface Field Description MU Reporting Indicates if reporting of mobile units is enabled. MU Dilution Factor Reporting factor of mobile units. MU Timeout MU Timeout setting. Compound Message Timeout The amount of time (in milliseconds) tag information is compiled before being sent as a packet in the network. This alleviates the volume of network traffic. 4.4.4 Viewing Ports and STP Status The Port and STP Status page displays Spanning Tree Protocol (STP) and the NS40 port status as shown in Figure 19: Port and STP status page. Figure 19: Port and STP status page The table below describes the fields in the Port Status section. Field Description Port Port name Admin State Whether the port is Enabled or Disabled. Link State State and port speed. Values can be link DOWN, or up with 10/100/1000 HD (half duplex) or FD (full duplex) depending on port type. STP Admin State Spanning Tree Protocol state. Can be Enabled or Disabled. STP version Spanning Tree Protocol version. Can be STP or RSTP. STP Port No Value is displayed as xxx:yz where xxx = Port priority, y = CPU number and z = Physical port number. I.S. Wireless Network Switch 40 Revision B Configuration using the Web Interface Field Description STP Port State Shows the current spanning tree state of the port within a spanning tree. Can be Forwarding, Blocking, Learning or Disabled. STP Port Role The function of the port in STP. Values can be Backup, Alternate, Designated, and Root. STP Port Mode Values displayed are Edge, Delay-forwarding and Point to Point. Viewing Interfaces The Interfaces page shows details of the LAN and wireless radio on the NS40 as shown in Figure 20: Interfaces status page. Figure 20: Interfaces status page Field Description Status Indicates the operating status. Device Device name. MAC Address The LAN and radio are bridged and will have the same MAC address. Addresses Assigned IP address. Traffic The amount of data transmitted and received since the last startup of the network switch. Errors Displays any transmission or receive errors. 4.4.5 Viewing MAC Address Table The MAC Address Table page maps MAC addresses of devices to the ports on the NS40 where those devices are located. There can be one or a number of MAC addresses bound to the interface depending on the port type and the devices connected. Revision B 41 I.S. Wireless Network Switch Configuration using the Web Interface Figure 21: MAC Address Table page The table below describes the MAC Address Table fields. Field Description MAC Address MAC Address of the device on the network. Port The port type that the device is connected to. This can be Interconnect, FX1-4, LAN1-2, CPU VLAN ID The VLAN ID where the device resides. Type Can be two values: learnt or static. 4.4.6 Viewing Routes The Routes status page displays information on local network routes as shown in Figure 22: Routes status page. Figure 22: Routes status page I.S. Wireless Network Switch 42 Revision B Configuration using the Web Interface Field Description Network Network type. Target Host IP address or network. Network Subnet mask of the network. Gateway Gateway. Metric Weighting factor of a route. 4.4.7 Viewing System logs The System log page displays logged program messages as shown in Figure 23: System log status page. Configuring reporting levels for the VLAN Bridge filter and Location Based Services will also determine what is displayed on this page. The system log page is useful for viewing general information, analysis of the switch and debugging messages. Figure 23: System log status page 4.4.8 Viewing Kernel Logs The Kernel Log page tracks and logs activity of the kernel as shown in Figure 24: Kernel Log page. Revision B 43 I.S. Wireless Network Switch Configuration using the Web Interface Figure 24: Kernel Log page 4.5 System tab The System tab accesses web pages to configure time, password access, Location Based Services, saving and restoring device configuration, firmware upgrades and rebooting the device. 4.5.1 Changing System Settings The System configuration page configures general system settings as shown in Figure 25: System page. Figure 25: System page I.S. Wireless Network Switch 44 Revision B Configuration using the Web Interface Additional parameters can be displayed and configured from the Additional Field drop-down box and clicking Add. The system parameters are described in the table below. Field Description Hostname Name of the device. Timezone A drop-down box to select the country timezone. External system log server IP address of the external system log server. System log buffer size Buffer size is 16kb by default. Log output level 0-7 filtering of system log messages. 4.5.2 Changing the System Administrator Password The administrator login restricts access to the web browser configuration. It is strongly recommended to change the default password when using it for the first time. Figure 26: Administrator password page To create a new password: 1. Enter the administrator password in the Password and the Verify Password fields. 2. Click Submit. Administrators will have full access to the web browser interface. 4.5.3 Managing System Processes The Processes page displays and manages system processes in the NS40 as shown in Figure 27: System processes configuration page. Revision B 45 I.S. Wireless Network Switch Configuration using the Web Interface Figure 27: System processes configuration page Each system process can be stopped by clicking the Hang Up, Terminate or Kill buttons. Stopping system processes is described in the table below. Process Description Hang up Hang up will either reset, reload or reinitialise the process. Terminate Terminate will perform and exit any operations relating to the system process before closing. Kill Kill will immediately close the system process. 4.5.4 Configuring Location Based Services The Location Based Services page as shown in Figure 28: Location Based Services configuration page establishes where AeroScout tag reports are sent. An NS40 can communicate with an AeroScout Positioning Engine and / or a MST Tracker Engine. I.S. Wireless Network Switch 46 Revision B Configuration using the Web Interface Figure 28: Location Based Services configuration page A description of the Location Based Services fields are shown in the following table. Section Field Description Location Enabled Based Services Logging Level Check box that enables the location based services on the NS40. The drop-down box selects the level of reporting details to the syslog server. There are four levels of reporting: • • • • Errors & Warnings — the lowest level of reporting which will report any errors or warnings. Basic — logs start up configuration and any errors and warnings. This is the factory default setting. Extra Information — reports basic information of the tracking engine, tags and mobile units. Debug — highest level of reporting which includes detailed information of tag reads. Note that higher levels of reporting will increase the system overhead in the NS40. AeroScout Engine Enabled Enables communication with an AeroScout engine. Enable AP Detection Enables the detection of surrounding Access Points. The NS40 can have up to two MST Tracker Engines configured. The configuration parameters are described in the table below. Field Description Enabled Check box to enable the MST Tracker Engine. Revision B 47 I.S. Wireless Network Switch Configuration using the Web Interface Field Description Server IP or Name IP address or server name of the MST tracker engine. Port Number Port number of the MST tracker engine. By default the port number 1142. Status Interval How often status messages are sent to the MST tracker engine. Send MU Reports The check box enables reporting for mobile units (such as the Mine Phone). MU Dilution Factor Reporting factor for mobile units. By default the value is 10, where a report is sent for every tenth read of the device. MU Timeout If no frames from a mobile unit are received, the server will sent a report based on the MU Timeout setting. By default the value is 5 seconds. Click Save to save settings or Save & Apply to instantly apply new settings. 4.5.5 Configuring Network Time The Network Time configuration page defines regional time settings on the NS40 as shown in Figure 29: Network Time configuration page. Figure 29: Network Time configuration page The network time can be synchronised with a Network Time Protocol (NTP) server. The NTP lookup is performed by the switch's management CPU (which resides on the Infrastructure VLAN). A description of the configuration parameters are shown in the table below. Section Field Description General Current System Time Displays the current system time. Update Interval The frequency that an NS40 will synchronise with the NTP server. 600 seconds is the default setting. I.S. Wireless Network Switch 48 Revision B Configuration using the Web Interface Section Clock Adjustment Field Description Count of Time measurements The number of times the NS40 will try to connect to the NTP server if it cannot make a connection. Offset Frequency Average time drift of the NS40 when referenced to a NTP server. To add an NTP server: 1. Enter the IP address or host name of the NTP server in the Hostname field. 2. Enter the port number in the Port field. 3. Click Save to save settings or Save & Apply to save and instantly apply new settings to the device. 4.5.6 Changing the Unit Serial Number The serial number of the NS40 unit can be entered in the web interface. The unit serial number is on the identification label located on the outside of the NS40 enclosure. 1. Enter the serial number in the supplied field and press reset. 2. The NS40 will reset and may take up to 15 seconds to update. Do not unplug or turn off the power supply until the unit has reset. Figure 30: Unit Serial Number page 4.5.7 Backup and Restore Settings The Backup / Restore configuration page shown in Figure 31: Backup / Restore configuration page enables the NS40 to save configuration settings, reset to factory default settings and restore saved settings. Revision B 49 I.S. Wireless Network Switch Configuration using the Web Interface Figure 31: Backup / Restore configuration page Reset Device to Factory Settings To restore to factory default settings: 1. Click Factory Defaults. A dialog window will appear to confirm to reset the device. 2. Click OK. The device will reset. Backup Device Settings Configuration settings in the NS40 can be saved and used to restore to the device. To backup device settings, click Backup Settings. Settings are saved and downloaded as a compressed tar.gz file format to your computer. Restore Saved Settings Note: Saved device settings should not be restored to a device with earlier firmware version than the backup was made from. To restore device settings: 1. Click Choose File. A dialog window will open. 2. Select the saved settings file tar.gz file from your computer and click Open. I.S. Wireless Network Switch 50 Revision B Configuration using the Web Interface 3. Click Restore Settings. The file will be uploaded and the device will reboot. 4.5.8 Rebooting the Device The Reboot page as shown in Figure 32: Reboot configuration page reboots the device by selecting the Reboot button. Figure 32: Reboot configuration page 4.6 Network Tab The network tab accesses web pages to configure the LAN interface, wireless network, Wireless MAC VLANs, Spanning Tree, VLANs and static routes. 4.6.1 Configuring LAN Interface Settings The LAN Interface page shown in Figure 33: LAN Interface configuration page configures the LAN settings of the device. Revision B 51 I.S. Wireless Network Switch Configuration using the Web Interface Figure 33: LAN Interface configuration page To edit LAN settings, click the selected field in the dialog box. Click Save to save settings or Save & Apply to save and instantly apply settings. LAN settings are described in the table below. Field Description Recommended Settings IP Address Static or DCHP can be assigned to the Assignment device. When the DHCP setting is selected, all static configuration fields are removed from the page. IP Address The IP address of the CPU in the device. The default IP address for CPU 1 is 192.168.1.90 and CPU 2 is 192.168.1.91. Assigning a different IP address is required for each management CPU. Subnet Mask Identifies the subnet the IP address belongs to for the CPU in the device. By default the subnet mask is 255.255.255.0. Gateway The IP address of the default gateway to n/a. be used by the device. DNS servers The DNS servers used by the managment Settings are dependent on the local domain name CPU when looking up host names. registration. MTU Maximum transmission size (MTU) is the largest packet size (in bytes) a network can transmit. The MTU in the device is automatically configured based on the protocol configuration. It can be manually configured if required. 4.6.2 Configuring Wireless Interface Settings The Wireless Interface configuration page configures wireless settings for the NS40 as shown in Figure 34: Wireless Interface configuration page. I.S. Wireless Network Switch 52 Revision B Configuration using the Web Interface Figure 34: Wireless Interface configuration page To configure wireless settings on the device: 1. Select the Enable check box to enable wireless. 2. Click on the drop-down boxes in the supplied fields. 3. For additional configuration options, click on the Additional Field drop-down menu. The radio parameters and settings are described in the table below. 4. Click Save to save settings or Save & Apply to save and instantly apply new settings to the device. Field Description Recommended Settings Enable Check box to enable or disable wireless radio. n/a. Channel A drop-down box to select the channel the wireless radio It is recommended wireless will operate on the NS40. radios in proximity of each other have a different wireless channel. This minimises signal overlap and the possibility of interference. DTIM A DTIM is a countdown informing clients of the next By default the DTIM interval is window for listening to broadcast and multicast messages. 1. Wireless clients detect the beacons and awaken on the DTIM interval to receive the broadcast and multicast messages. Valid settings are between 1 and 255. Transmit Power Used to control the range of the wireless performance. MAC filter Listed MAC addresses can enabled (or disabled) for type wireless network access. Revision B 53 High. n/a. I.S. Wireless Network Switch Configuration using the Web Interface Field Description Recommended Settings Receive Antenna Defines the antenna mode for wireless frame reception. By default the Receive antenna is set to Diversity. Max The maximum number of devices that can simultaneously n/a. Associations connect to the access point. MAC address filtering To enable MAC address filtering: 1. In the Device section, select MAC Filter Type from the Additional Field drop-down box. 2. The MAC Filter Type and MAC list menu fields are displayed. By default, MAC address filtering is disabled. 3. Select Allow List on the drop-down box. 4. Enter the MAC address to allow network access in the MAC List field. To add MAC addresses, click on the icon for MAC address fields. 5. Select Deny List from the MAC filter type drop-down menu. 6. Enter the MAC address in the MAC List field to deny access to the network. To add MAC addresses, click on the icon for MAC address fields. I.S. Wireless Network Switch 54 Revision B Configuration using the Web Interface 7. Click Save to save settings or Save & Apply to save and instantly apply new settings to the device. Configuring SSID The NS40 has a SSID which is configured in the Wireless Interface page as shown in Figure 34: Wireless Interface configuration page. A description of the configuration parameters are described in the table below. Field Description SSID The name of the wireless network visible to client devices. Mode There are several wireless network modes to select from the drop-down menu: • • • • Encryption Access point Ad-Hoc Client Wireless Distribution System (WDS) Three wireless security modes are available: • WEP is the original wireless encryption standard. • WPA provides a higher level of security than WEP. • WPA- PSK does not require an authentication server. • WPA-EAP requires a RADIUS authentication server. • WPA2 provides a higher level of security than WPA. • WPA2-PSK does not require an authentication server. • WPA2-EAP requires a RADIUS authentication server. Hide SSID Enables or disables visibility of the wireless network. Isolate Clients When enabled, client devices are prevented from accessing other client devices on the same wireless network. Multi-Media Extensions A 802.11e standard for multimedia and VOIP applications. By default this feature is disabled. Configuring WEP Security Settings To configure WEP security settings: 1. 2. 3. 4. Select the WEP mode from the Encryption drop-down box. Enter a password in the Key field. Select Default WEP Key from the drop-down box. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. Configuring WPA-PSK and WPA2-PSK Settings WPA and WPA2 provide stronger security encryption than WEP. To configure settings: 1. Select the WPA-PSK or WPA2-PSK mode from the Encryption drop-down menu. 2. Enter the Pre-Shared Key in the Key field. The key must be at least 8 alphanumeric characters in length. Revision B 55 I.S. Wireless Network Switch Configuration using the Web Interface 3. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. Configuring Wireless Extensible Authentication Protocol (EAP) WPA-EAP and WPA2-EAP requires a RADIUS server for authentication. To configure wireless EAP: 1. Select the WPA-EAP or WPA2-EAP mode from the Encryption drop-down box. 2. In the RadiusServer field, enter the RADIUS server's IP Address. 3. In the Radius-Port field, enter the RADIUS port number. 4. Enter the Pre-Shared Key in the Key field. The key must be at least 8 alphanumeric characters in length. 5. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. 4.6.3 Configuring Wireless MAC VLAN Bridge Settings Setting up a Wireless MAC VLAN Bridge requires assigning a MAC address or MAC address range for wireless devices to a VLAN. A wireless device whose MAC address does not match the MAC address(es) defined in the Wireless MAC VLANS will have traffic allocated to the Default VLAN. I.S. Wireless Network Switch 56 Revision B Configuration using the Web Interface Figure 35: Wireless MAC VLAN Bridge page Up to five Wireless MAC VLANs can be used in the NS40. The VLAN Bridge Filter parameters are described in the table below. Field Description Enabled Check box to enable the VLAN bridge filter. If it is disabled the radio is bridged to the Infrastructure VLAN. Logging Level The drop-down box selects the level of reporting details to the syslog server. There are four levels of reporting: • Errors & Warnings — lowest level of reporting which will report any errors or warnings. • Basic — logs starts up configuration and any errors and warnings. This is the factory default setting. • Extra Information — reports basic information of the tracking engine, tags and mobile units. • Debug — highest level of reporting which includes detailed information of AeroScout tag reads. Note that higher levels of reporting will use more system overhead in the NS40. Revision B 57 I.S. Wireless Network Switch Configuration using the Web Interface Field Description Default VLAN Any client devices with MAC addresses that do not match the defined Wireless MAC VLANs will have traffic directed to the default VLAN. The drop-down box provides a selection of the default VLAN. Creating Wireless MAC VLANs To create a Wireless MAC VLAN: 1. 2. 3. 4. In the Wireless MAC VLANs section, click Add Entry. Click the Enable check box. Select the VLAN from the drop-down box. In the MAC address field, enter the MAC address or MAC address range (separated with a "-"). An "*" after the MAC address denotes all wireless devices with a MAC address complying to the first few hexadecimal digits (see Figure 35). 5. Click to add a field, and enter another MAC address or MAC address range . 6. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. 4.6.4 Configuring Composite Fibre Ports The Ports page enables and assigns composite fibre ports to be either in trunk or access mode as shown in Figure 36: Ports configuration page. A trunk port is a member of all enabled VLANs whilst an access port is a member of only one VLAN. For more information on trunk ports and access ports, see Understanding Trunk and Access Ports on page 30. Figure 36: Ports configuration page To configure the composite fibre port(s): I.S. Wireless Network Switch 58 Revision B Configuration using the Web Interface 1. Select the Enable check box to enable the fibre port. 2. In the Mode field, select trunk port or access port from the drop-down box. 3. If the fibre port is selected as a Trunk port, it will be a member of all enabled VLANs. If it is selected as an access port, select a VLAN membership. 4. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. Rate Limit The Rate Limit field restricts the percentage of network bandwidth for broadcast and multicast traffic. This is a secondary feature apart from Rapid Spanning Tree Protocol to assist with network traffic loops. To configure: 1. Select the rate limit from the drop-down box. By default the rate is 10%. 2. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. 4.6.5 Configuring Rapid Spanning Tree Protocol The NS40 supports Rapid Spanning Tree Protocol (RSTP), a protocol that prevents bridge loops and automatically determines an alternate network path if an active link fails. The Spanning Tree configuration page is shown in Figure 37: Spanning Tree configuration page. Revision B 59 I.S. Wireless Network Switch Configuration using the Web Interface Figure 37: Spanning Tree configuration page A description of the STP parameters are described in the table below. Section Field Global STP settings Enable STP on this Check box to enable STP on the network switch. bridge On Logging Level Selects the reporting level to the syslog server. Basic Version Selects RSTP or STP. RSTP is backwards compatible with STP. RSTP Default Port Costs Sets the default values of the port path costs. Small values is Small applicable when RTP is used and Cisco brand Switches (even when RSTP is implemented). Large values is applicable when RSTP is implemented. Bridge Priority The priority of the switch. The switch with lowest priority in a 32768 network will be the root switch. Hello Time The amount of time in seconds when Bridge Protocol Data Units 1 (BPDUs) are sent. BPDUs exchange information about bridge IDs and root path costs. Max Age The amount of time a bridge will wait for a BDPU before it becomes a root bridge. I.S. Wireless Network Switch Description Default Settings 60 10 Revision B Configuration using the Web Interface Section FXx (Composite fibre port) Field Description Default Settings Forwarding Delay The amount of time spent in the listening and learning state 15 before entering the forwarding state. This is also used as the aging time for the MAC Address Table during topology changes. MAC Address Table Aging The amount of time in seconds before a MAC address is aged from the MAC Address Table. This will assist in minimising traffic across a network. 180 Enable STP Enables STP on the composite fibre port. On Mode Port mode of the composite fibre port. This can be configured in Network > Ports. n/a Port Priority Port priority value. A port allocated with the lowest priority value in a network will be the designated root port. 128 Port cost The defined port cost that overrides the Default Port Cost. n/a 4.6.6 Managing Simple Network Management Protocol The NS40 has Simple Network Management Protocol (SNMP) for monitoring client devices on a network. The SNMP page shown in Figure 38: SNMP page has a Trap Destination field which define the IP address(es) of the host (such as the ImPact Communication Appliance (ICA)) for sending trap information. SNMP Trap enables client devices to sent messages to the host when there are significant events. Currently link up / down messaging is supported. Figure 38: SNMP page To enter SNMP Trap destination(s): 1. Enter the IP address(es) in the supplied field. 2. To add a IP address field, click . To delete a field, click 3. Click Save to save settings or Save & Apply to save settings and reboot the switch. 4.6.7 Defining VLANs VLANs can be defined on the VLAN list page as shown in Figure 39: VLAN list page. The VLAN page displays VLANs, their ID and priorities that will be assigned to each VLAN. By default the NS40 has VLANs defined with recommended IDs and priorities. This is based on commonly used applications in mining environments. Revision B 61 I.S. Wireless Network Switch Configuration using the Web Interface Figure 39: VLAN list page Note: The Infrastructure VLAN cannot be disabled because the management CPU is on this VLAN. This enables client devices to access and manage the network switch. Up to 16 VLANs can be created. To create a VLAN: 1. Type the name of the VLAN and click Add entry. The VLAN parameter fields will appear. 2. By default the Enable check box is selected. 3. Enter the VLAN ID number. The VLAN ID is tagged to frames sent to and from trunk ports. 4. Select the VLAN Priority from the drop-down menu. Priority ranges from 0-7 (7 being the highest priority) that is assigned to frames tagged with the VLAN ID. I.S. Wireless Network Switch 62 Revision B Configuration using the Web Interface 5. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. Note: To configure VLANs, it is recommended to understand the principles of VLANs. For more details on VLANs, see Understanding VLANs on page 29. 4.6.8 Adding Static Routes The Routes page as shown in Figure 40: Static Routes configuration page can add static routes which enables network traffic to reach another network. Figure 40: Static Routes configuration page To add a static route: 1. Click Add Entry. A LAN entry is displayed. 2. 3. 4. 5. Enter the network IP address in the Target field. Enter the Subnet mask in the Netmask field. Enter the Gateway in the Gateway field. Click Save to save settings or Save & Apply to save and instantly apply settings to the device. Revision B 63 I.S. Wireless Network Switch Appendix A Troubleshooting Guide This appendix will help diagnose and solve any issues with NS40 installation and operation. Problem Possible Causes The status light on Insufficient power supplied the NS40 is not to the NS40. blinking when powered up. Solution Configuration and power to the cell will need to be revised. Please consult your MST System Engineer to assist. A site survey is conducted to determine power requirements for a system design or modifications. NS40 needs to the rebooted. Reboot the device in the web browser interface under System > Reboot. LEDs on the The NS40 has no power. wireless network switch are not on. • • • The composite The NS40 fibre connector fibre port activity is not connected. light is not on. The wireless There is a network access network cannot be issue. configured from the web browser interface. Power supply instability. Check that power is connected from either the composite cable, DC power cable to the NS40 in the cell. Verify the network switch is connected to an operational power supply. Check the power supply is operating as manufacturer's instructions. Verify the composite fibre port link is connected and active. • • Check that the NS40 is properly installed, all cable connections are connected properly and the unit is powered on. Check that the VLAN settings on the devices upstream on the network are not restricting access. Incorrect earthing scheme. Check antennas are insulated from ground. Client devices Incorrect Wireless MAC cannot connect to VLAN Bridge settings. the wireless network. MAC filter settings. Using the web browser interface under Network > Wireless MAC VLAN Bridge, check the MAC address of the device is configured and assigned to the correct VLAN. Signal loss in the Composite connector or fibre optic cable. fibre port is dirty. Check the connectors and fibre ports are clean. Clean using alcohol wipes or fibre optic cleaning kits. NB: Do not use air spray as the compressor oil can leave residue. Refer to Appendix A for fibre optic cable testing. Poor wireless coverage or loss of data frames. Antennas not positioned correctly. Check antennas are free from obstructions and positioned for optimum transmission. See 2.4.1 Antenna placement and layout. A problem with coaxial cable connections. Check all coaxial cable connections to the NS40, antennas and any antenna splitter boxes. Revision B Using the web browser interface under Network > Wireless Interface, check the device's MAC address is not denied in the MAC filter settings. 65 I.S. Wireless Network Switch Troubleshooting Guide Problem Possible Causes Solution Client device(s) may be Check client devices are not continually sending multi-cast data continually sending frames. multi-cast data frames using up network bandwidth. PC cannot access The port on the NS40 is device when disabled. connected using a media converter. VLAN(s) on the port are not properly configured. I.S. Wireless Network Switch Check the port activity light on the NS40 is on. Connect to the web browser interface and go to the Network > Ports page and check the port is enabled. Connect a PC to another port on the network switch to access the network. In the web browser interface, check that VLAN membership is assigned to the port for Internet / LAN access. 66 Revision B Appendix B Acronyms Acronym Meaning AC Alternating Current DC Direct Current I.S. Intrinsically Safe MAC address Media Access Control address MST Mine Site Technologies PSU Power Supply Unit RF Radio Frequency STP Spanning Tree Protocol UPS Uninterruptible Power Supply VLAN Virtual Local Area Network WEP Wired Equivalent Privacy WPA Wi-Fi Protected Access Revision B 67 I.S. Wireless Network Switch Appendix C Composite Cable Testing This appendix describes fibre optic cable continuity and testing in the composite cable. Fibre optic cable testing includes visual inspection and power loss testing. C.1 Visual Inspection of the Fibre Optic Cable Fibre optic cable can be inspected by visually tracing and inspecting the connector. Visual Tracing Checking for continuity diagnoses whether the fibre optic cable is damaged or broken. A visible light "fibre optic tracer" or "pocket visual fault locator" connected to a fibre optic connector. 1. Attach a fibre optic cable to the visual tracer and look at the other end to see if light is transmitting through the fibre. 2. If there is no light, there is a damaged or broken section of the fibre component in the composite cable. Visual Connector Inspection A visual inspection of the fibre optic termination is usually carried out using a fibre optic microscope. It is important the fibre termination has a clean, smooth , polished and scratch free finish. Any signs of cracks, chips or dirt will affect connectivity. C.2 Measuring and Testing for Power Loss Measuring power and loss requires a Optical time-domain reflectometer (OTDR) with a suitable custom adapter matching the fibre optic connector being tested. To measure power in fibre optic cable: 1. Set the OTDR to ‘dBm’ and set the wavelengths according to the fibre optic cable being tested. 2. Attach the OTDR to the fibre optic cable at the receiving end to measure the output. 3. Compare the output with a reference test cable. To measure power loss in fibre optic cable: 1. Set the power meter to ‘dB’ for a relative power range and select the wavelength required for the test. 2. Perform a single-ended loss test by connecting the cable to be tested to the reference cable and measuring power loss at the receiving end. 3. Perform a double-ended loss test by attaching the cable between two reference cables that are attached to the source and to the OTDR. If high losses are measured, reverse the cable and test in the opposite direction using the single ended test. A guideline on power losses are shown in the table below. Revision B 69 I.S. Wireless Network Switch Composite Cable Testing Component Power loss Connector 0.5 dBi Single-mode fibre 0.5 dBi / km @ 1300nm 0.4 dBi / km @ 1550nm I.S. Wireless Network Switch 70 Revision B Appendix D Connecting a PC to an I.S. Wireless Network Switch This Appendix specifies how to set up and connect a PC (with a Windows XP operating system) to the ImPact NS40. In an existing network, a PC can be connected by an Ethernet cable to the surface network switch. The network switch either incorporates or is connected to a media converter which converts Ethernet cabling to fibre optic cabling to the NS40s. Alternatively a PC can use a media converter to directly connect to the port of an NS40, with a power supply connected to another port. Note when connecting fibre cable to the NS40, composite fibre port 1 is the default upstream port. The fibre transmit (Tx) and receive (Rx) configuration is wired differently to the downstream ports as illustrated in Figure 41: NS40 Fibre port wiring configuration. Figure 41: NS40 Fibre port wiring configuration Procedure 1. Connect a PC to an NS40 as described above. If the PC is already part of the network, note its TCP/IP configuration settings. 2. Click Start > Control Panel. Open Network Connections. Revision B 71 I.S. Wireless Network Switch Connecting a PC to an I.S. Wireless Network Switch 3. Right-click Local Area Connection and select Properties. The Local Area Connection Properties window will open. 4. On the General tab, scroll down to Internet Protocol (TCP/IP), then click Properties. The Internet Protocol (TCP/IP) Properties dialog box is displayed. I.S. Wireless Network Switch 72 Revision B Connecting a PC to an I.S. Wireless Network Switch 5. Click the Use the following IP address option button. 6. In IP address field enter a fixed (static) IP address within range of the NS40 IP address (for example 192.168.1.100). 7. In the Subnet mask field, enter 255.255.255.0. Click Ok. Revision B 73 I.S. Wireless Network Switch Appendix E Discovering Devices on the Network The Ubicom Device Manager is a PC software application used to detect devices and configure their IP addresses. It is used when firmware upgrades on NS40 units have reset default IP settings. The tool should be run on a PC connected on the same network segment as the device. Note: The management CPU in an NS40 responds to the Device Manager tool. A PC running the tool must be on the Infrastructure VLAN. To use the Device Manager to discover / configure device IP settings: 1. Locate and open the folder on your PC where the Device Manager tool is located. 2. Double-click the UbiDevman icon to launch. 3. The Ubicom Device Manager window is displayed and an automatic scan is initiated. Click the Scan icon at any time to re-scan the network for devices. 4. Note the MAC address to identify the network device to edit, and click on the row to highlight it. 5. Click on the Configure icon. The IP Address Properties dialog box is displayed. Revision B 75 I.S. Wireless Network Switch Discovering Devices on the Network 6. Select the Use the following IP address option button and fill in the IP address, Subnet mask and Default settings. 7. Click OK to close the dialog box and save changes. The Device Manager will rescan devices on the network. 8. Select File menu and Exit or click [X] to close the Device Manager tool. Note: UbiDevman keeps running in the background after it is closed on PC's with Windows Vista and 7 operating systems. Shut it down from the Windows Task Manager before running it again. I.S. Wireless Network Switch 76 Revision B Appendix F I.S. Wireless Network Switch Reset and Reboot This appendix describes rebooting the NS40 and resetting to factory default settings. It can also be carried out using the web browser interface. Important: The NS40 is designed to meet Intrinsic Safety requirements. Opening the NS40 in hazardous environments is a breach of Intrinsic Safety and will void the warranty. Please consult your MST System Engineer first before opening a NS40. Step Procedure Picture 1 Insert an Allen key (0.125" or 3.18mm hex driver) to remove the hex screw and pull out the retention arm. 2 Remove the nuts with a 5/16" socket wrench. 3 Remove the two security nuts (between the composite fibre ports) with a socket wrench and remove lid. Revision B 77 I.S. Wireless Network Switch I.S. Wireless Network Switch Reset and Reboot Step Procedure 4 Remove lid and place upside down, locating the RESET and RESTORE buttons on the PCB. 5 To reboot the NS40, press RESET whilst it is powered. Repeat the process for the other CPU. 6 To restore to factory default settings: Picture • Hold RESTORE and press RESET whilst the NS40 is powered. • Alternatively if the device is not powered, hold RESTORE and apply power. Repeat the process for the other CPU. I.S. Wireless Network Switch 78 Revision B I.S. Wireless Network Switch Reset and Reboot Step Procedure Picture 7 To turn the Management port on and off, press RESTORE whilst the NS40 is powered. 8 Put the lid back on the NS40, applying Loctite 222 thread lock to all screw threads before reattaching nuts and securing the retention arms. Revision B 79 I.S. Wireless Network Switch Appendix G I.S. Wireless Network Switch Specifications General Dimensions 410mm x 380mm x 80mm Enclosure Ingress Protection (IP) rating IP65 (Powdercoated stainless steel enclosure) Operating Temperature 0ºC to 40ºC Maximum Operating Humidity 90% Power Maximum supply voltage 15.1VDC Maximum input current 1.5A DC Protection Ex ia Group 1 Composite Fibre Ports Composite fibre ports 4 x 100BASE-FX single mode transceivers Connector Ingress Protection (IP) Rating IP65 Network Information Network architecture Access Point, client and WDS mode Network protocol IEEE 802.3, 802.3u, 802.3x 802.1Q Automatic 802.1p priority based on 802.1Q VLAN ID Redundancy Rapid Spanning Tree Protocol Wireless Radio Wireless radio ports 2 x IEEE 802.11 b/g wireless access ports Standards Compliance IEEE 802.11b (up to 11Mbps) IEEE 802.11g (up to 54Mbps) IEEE 802.11i (security – WPA2) IEEE 802.11e (QoS – WMM) Revision B 81 I.S. Wireless Network Switch I.S. Wireless Network Switch Specifications AeroScout Compatible Wi-Fi security 64/128-bit WEP, WPA-PSK, WPA2-PSK, WPA- Enterprise, WPA2Enterprise, Radius with 802.1x , MAC Address Filtering Block SSID Broadcast Radio data rate 54, 48, 36, 24, 18, 12, 11, 9, 6, 5.5, 2 and 1 Mbps, Auto Fall-Back Compatibility Fully inter-operable with 802.11b/g compliant products Frequency band 2.4 – 2.4835 GHz Wireless Modulation CCK (802.11b) DSSS / OFDM (802.11g) Operation channels 1, 6, 11 Transmit power Maximum approved 24dBm (251mW) Receive sensitivity 1 Mbps: -95dBm (802.11b) 11 Mbps: -90dBm (802.11b) 5 Mbps: -90dBm (802.11g) 54 Mbps: -74dBm (802.11g) Certifications International Electrotechnical Commission (IEC) Ex ia — IECEx TSA 10.0022X Mining Safety and Health Administration (MSHA) Ex ia — 23-A100003-0 (Group 1 for coal mining environment) I.S. Wireless Network Switch 82 Revision B Appendix H Maintenance Checklist It is recommended that a visual inspection of all NS40s, antennas, cables and connectors are carried out at regular intervals. A maintenance checklist is provided below. Inspection Action Structural Inspect the outer case for any structural damage. Check the case is firmly closed. Check there is no excessive damage or markings to paintwork. Check there is no damage to the decal on the enclosure Composite cables Check all composite cables are connected and secure. Check the composite connector retention arm is secured to the enclosure. Check dust covers are on all unused composite fibre ports. Power Supply Check power supply as per manufacturer's recommendations. Coaxial cables Check coaxial cable connections are securely fastened and properly insulated to the NS40. Check the coaxial cable for any damage. Check the coaxial cable run has no kinks. Antennas Check the antennas for any damage. Check all antenna connections are properly insulated with connector covers or amalgamated rubber tape. Check the antennas' connections to the antenna cable. Check the antennas' directional alignment. Display LEDs Check the power LED is lit green. Check the status LED is blinking green (at approximately a 1 second interval). If faults are found, please refer to maintenance procedures or consult your MST Support Engineer. Revision B 83 I.S. Wireless Network Switch Appendix I MSHA and IEC Approvals Table 1: I.S. Wireless Network Switch Mining Safety and Health Administration (MSHA) Certification: Ex ia — 23-A100003-0 (Group 1 for coal mining environment) International Certification: Ex ia — IECEx TSA 10.0022X Electrotechnical Commission (IEC) IEC Entities Input Parameters Ui = 15.1V Ii = 1.5A Ci = 5uF Li = 0uH RF Output Parameters Po = 251mW Uo = 4.67v Io = 10A Co = 5uF Lo = 5.9uH Optical Output Parameters Po = 0.158mW Table 2: JB10 and JB11 Junction Box Mining Safety and Health Administration (MSHA) Certification: Ex ia — 23-A100003-0 (Group 1 for coal mining environment) International Electrotechnical Commission (IEC) Certification: Ex ia — IECEx TSA 10.0022X IEC Entities Input Parameters Ui = 15.1V Ii = 1.5A Ci = 5uF Li = 0uH Optical Output Parameters P = 0.158mW Revision B 85 I.S. Wireless Network Switch MSHA and IEC Approvals Symbol Term Definition U¡ Maximum input voltage Maximum voltage (peak AC or DC) that can be applied to the connection facilities of the apparatus without invalidating the type of protection. I¡ Maximum input current Maximum current (peak AC or DC) that can be applied to the connection facilities of the apparatus without invalidating the type of protection. C¡ Maximum internal Maximum equivalent internal capacitance of the apparatus which is capacitance considered as appearing at the connection facilities. L¡ Maximum internal Maximum equivalent internal capacitance of the apparatus which is inductance considered as appearing across the connection facilities. P Maximum output power Maximum electrical power that can be taken from the apparatus. U Maximum output voltage Maximum voltage (peak AC or DC) that can appear at the connection facilities of the apparatus at any applied voltage up to the maximum voltage. I Maximum output current Maximum current (peak AC or DC) in apparatus which is considered as appearing at the connection facilities. C Maximum external Maximum capacitance that can be connected to the connection facilities capacitance of the apparatus without invalidating the type of protection. L Maximum external Maximum value of inductance that can be connected to the connection inductance facilities of the apparatus without invalidating the type of protection. I.S. Wireless Network Switch 86 Revision B Appendix J Warranty and License Agreement J.1 Hardware Warranty Mine Site Technologies provide a 12 month warranty for hardware supplied to the original purchaser. Mine Site Technologies warrants that the hardware supplied will be free from material defects in workmanship and materials from the date of original purchase. Mine Site Technologies will repair or replace the defective hardware during the warranty period at no charge to the original owner. Such repair or replacement will be rendered by Mine Site Technologies. Mine Site Technologies may in its sole discretion replace the defective hardware (or any part thereof) with a reconditioned product or parts that Mine Site Technologies determines is substantially equivalent (or superior) to the defective hardware. Repaired or replacement hardware will be warranted for the remainder of the original warranty period from the date of original purchase. All hardware (or part thereof) that is replaced by Mine Site Technologies shall become the property of Mine Site Technologies upon replacement. J.2 Software End User License Agreement IMPORTANT: PLEASE READ CAREFULLY BEFORE USING THIS EQUIPMENT. Mine Site Technologies End-User License Agreement ("EULA") is a legal agreement between you (either an individual or a single entity) and Mine Site Technologies. Mine Site Technologies (MST) firmware may include associated software components, media, printed materials and electronic documentation. By installing, copying or otherwise using MST firmware, you agree to be bound by the terms of this EULA. This license agreement represents the entire agreement concerning the program between you and Mine Site Technologies, and it supersedes any prior proposal, representation or understanding between the parties. If you do not agree to the terms of this EULA, do not install or use the software. 1. GRANT OF LICENSE The MST firmware is licensed as follows: (a) Installation and Use Mine Site Technologies grants you the right to install and use copies of the MST firmware on associated MST hardware. (b) Backup Copies You may also make copies of the MST firmware if necessary for backup and archival purposes. 2. DESCRIPTION OF OTHER RIGHTS AND LIMITATIONS Revision B 87 I.S. Wireless Network Switch Warranty and License Agreement (a) Maintenance of Copyright Notices You must not remove or alter any copyright notices on any and all copies of the MST firmware. (b) Distribution You may not distribute copies of MST firmware to third parties. (c) Prohibition on Reverse Engineering, Decompilation, and Disassembly You may not reverse engineer, decompile, or disassemble the MST firmware. (d) Rental You may not rent, lease, or lend MST firmware. (e) Support Services Mine Site Technologies may provide you with support services related to the MST firmware. Any supplemental activation codes provided to you shall be considered part of the MST firmware and subject to the terms and conditions of this EULA. (f) Compliance with Applicable Laws You must comply with all applicable laws regarding use of the MST firmware. 3. TERMINATION Without prejudice to any other rights, Mine Site Technologies may terminate this EULA if you fail to comply with the terms and conditions of this EULA. In such event, you must destroy all copies of the MST firmware in your possession. 4. COPYRIGHT All title, including but not limited to copyrights, in and to the MST firmware and any copies thereof are owned by Mine Site Technologies. All title and intellectual property rights in and to the content which may be accessed through use of the MST firmware is the property of the respective content owner and may be protected by applicable copyright or other intellectual property laws and treaties. This EULA grants you no rights to use such content. All rights not expressly granted are reserved by Mine Site Technologies. 5. NO WARRANTIES Mine Site Technologies disclaims any warranty for the MST firmware. The MST firmware is provided 'as is' without any warranty of any kind, including but not limited to any warranties of merchantability, non-infringement, or fitness fora particular purpose. Mine Site Technologies does not warrant or assume responsibility for the accuracy or completeness of any information, text, graphics, links or other items contained within the MST firmware. Mine Site Technologies makes no warranties respecting any harm that may be caused by the transmission of a computer virus, worm, time bomb, logic bomb, or other such computer program. Mine Site Technologies disclaims any warranty or representation to authorised users or to any third party. 6. LIMITATION OF LIABILITY In no event shall Mine Site Technologies be liable for any damages (including, without limitation, lost profits, business interruption, or lost information) rising out of 'authorised users' use of or inability to use the MST firmware, even if Mine Site Technologies has been advised of the possibility of such damages. In no event will Mine Site Technologies be liable for loss of data or for indirect, special, incidental, consequential (including lost profit), or other damages based in contract, tort or otherwise. Mine Site Technologies shall have no liability with respect to the content of the MST firmware or any part thereof, including but not limited to errors or omissions contained therein, libel, infringements of rights of publicity, I.S. Wireless Network Switch 88 Revision B Warranty and License Agreement privacy, trademark rights, business interruption, personal injury, loss of privacy, moral rights or the disclosure of confidential information. Revision B 89 I.S. Wireless Network Switch Index A G access port 30, 59 definition 30 AeroScout tags 46 AeroScout tracking engine 39 antenna 27 placement 27 antennas 15, 26, 27, 65, 83 antenna ports 15 diversity Panel 26 maintenance 83 omnidirectional 26 troubleshooting 65 Yagi 27 galvanic isolation 19 I IEC 82, 85 approvals 82, 85 entities 85 Infrastructure VLAN 31, 75 Intrinsically Safe Communications System 15 IP address 52, 75 configuration 75 identification 75 K C kernel log 43 coaxial cable 24 connectors 24 installation 24 insulating 24 composite cable 21, 69, 83 maintenance 83 testing 69 composite fibre port 14, 17 composite fibre ports 58 configuration 33, 34, 35, 36, 37, 41, 44, 51 web browser interface 33, 34, 35, 36, 37, 41, 44 configuration page 34 logging on 34 logging out 37 Overview tab 36 saving changes 35 setting the language 36 Status tab 37 System tab 44 viewing interfaces 41 viewing system status 37 web browser interfaceNetwork tab 51 Network tab 51 L LAN, See Local Area Network LED 14, 15, 65 composite fibre port 15 status 14 Wi-Fi 15 Local Area Network 51 configuring settings 51 Location based services 46 AeroScout positioning engine 46 M MAC address 34, 41, 54, 75 filtering 54 maintenance 83 management port 79 turning on and off 79 maximum transmission size 52 MSHA 82 See also approvals approvals 82 See also approvals MTU, See maximum transmission size D DC power cable 21 device name 44 diversity panel antenna 26 N native VLAN 31 example 31 network routes 42 network time 48 Network Time Protocol Server 48 configuring 48 nodes 29 NS40 13, 14, 15, 19, 20, 30, 50, 51, 65, 75, 77, 83 backup settings 50 features 13 F fibre optic cable 21, 65, 69 power loss 69 visual inspection 69 visual tracing 69 firmware 33 Revision B 91 I.S. Wireless Network Switch NS40 (continued) hardware overview 14 installation 19 maintenance 83 mounting 15, 20 rebooting 51, 77 resetting to factory default settings 50, 77 restore saved settings 50 setting up an IP address 75 troubleshooting 65 trunk port 30 NTP, See Network Time Protocol Server system processes (continued) terminate 45 P UbiDevman Device Manager 75 untagged frame, See VLAN passwords 34, 45 changing the administrator password 45 logging on 34 PC 33, 66, 71 connecting to an NS40 33 connecting to a NS40 71 connection 66 power 65, 81 additional power 65 power up checklist 28 pre-installation planning 20 R Rapid Spanning Tree Protocol 59 configuring 59 rate limit 59 rebooting device 51, 77 reset to factory default settings 50, 77 S serial number 37, 49 entering 49 mainboard 37 unit 37 Service Set Identifier 55 configuring 55 encryption 55 visibility 55 SNMP 61 Trap 61 SSID, See Service Set Identifier static routes 63 configuring 63 STP, See Spanning Tree Protocol system log buffer size 45 system logs 43, 47, 57 reporting level 47, 57 system processes 45 hang up 45 kill 45 managing 45 I.S. Wireless Network Switch T tagged frame, See VLAN timezone 44 troubleshooting 65 trunk port 30, 59 definition 30 U V VLAN 29, 30, 56, 61 configuring 61 default VLAN 56 definition 29 port allocation 30 Priority ID 30, 61 tag 30 tagged frame 30 VLAN ID 30, 61 W wireless access points 18 wireless MAC VLAN Bridge 56 default VLAN 56 wireless network 52, 65 encryption 52 troubleshooting 65 wireless channels 52 wireless networks 38 wireless networks scan 39 wireless security 55, 56 WEP 55 configuring 55 WPA 55 WPA2 55 WPA2-EAP 55, 56 configuring 56 WPA-EAP 55, 56 configuring 56 wireless securityWPA2 55 configuring 55 WPA 55 configuring 55 Y Yagi antenna 27 92 Revision B