RadioLAN Campus BridgeLINK manuale d’uso

890-007 Rev. A 01/28/99 © 1999 RadioLAN. All rights Reserved Wireless Local Area Network Campus BridgeLINK™ User Guide[...]

890-007 Rev. A 01/28/99 Page ii © 1999 RadioLAN. Notices FCC This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules . These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, a[...]

890-007 Rev. A 01/28/99 Page iii © 1999 RadioLAN. Remarks: UNII WLAN and Class A PCMCIA Card Maximum Output Power: 50 mW Notes: This device has shown compliance with new rules adopted under Docket 87-389 and is not affected by Section 15.37, transition rule. Each radio is marked with its operating frequency . FCC regulations require that this devi[...]

890-007 Rev. A 01/28/99 Page iv © 1999 RadioLAN. Disclaimer The instructions in this document have been carefully checked for accuracy and are presumed to be reliable. RadioLAN and its writers assume no responsibility for inaccuracies and reserve the right to modify and revise this document without notice. It is always our goal at RadioLAN to supp[...]

890-007 Rev. A 01/28/99 Page v © 1999 RadioLAN. Trademark Disclosures RadioLAN has made every effort to provide disclosures when using trademarks owned by other companies. Trademarked designations appear throughout this publication. The publisher states that it is using the designations only for editorial purposes, and to the benefit of the tradem[...]

890-007 Rev. A 01/28/99 Page vi © 1999 RadioLAN. Table of Contents Notices ...................................................................................................................................................................ii FCC ........................................................................................................[...]

890-007 Rev. A 01/28/99 Page vii © 1999 RadioLAN. A Brief Word About Safety ...................................................................................................................................... 21 Choosing the Best Mounting Height .....................................................................................................[...]

890-007 Rev. A 01/28/99 Page viii © 1999 RadioLAN. Recording Important System Information ................................................................................................. 80 Viewing the System Log .......................................................................................................................................[...]

890-007 Rev. A 01/28/99 Page ix © 1999 RadioLAN. Electrical Specifications ........................................................................................................................................ 117 Physical Specifications .............................................................................................................[...]

890-007 Rev. A 01/28/99 Page x © 1999 RadioLAN. Notes[...]

890-007 Rev. A 01/28/99 Page 1 © 1999 RadioLAN, Inc. Introduction Historically, connecting two buildings to allow networking between two local area networks required the expense and effort related to running a cable from one building to another. This may have involved installing an aerial cable or digging a trench and installing conduit and wiring[...]

890-007 Rev. A 01/28/99 Page 2 © 1999 RadioLAN, Inc. RadioLAN allows you to connect two buildings, which are up to one mile apart, using a Campus BridgeLINK™ Processor Unit (CPU), a Companion Radio Module (CRM), and an 8.86” square directional antenna for each building link. When using the Campus BridgeLINK™ application, you need only instal[...]

890-007 Rev. A 01/28/99 Page 3 © 1999 RadioLAN, Inc. The Campus BridgeLINK™ System The Campus BridgeLINK system includes the Campus BridgeLINK™ Processor Unit (CPU) with a mounting bracket, a Companion Radio Module (CRM), and a directional antenna. Also included is the power transformer that you can plug into a non-switched electric outlet. Yo[...]

890-007 Rev. A 01/28/99 Page 4 © 1999 RadioLAN, Inc. • The amber Fault LED illuminates for several seconds during the power-on diagnostic sequence. When the CPU is operating, this LED is normally extinguished. • The green Status 1 LED illuminates when the CPU detects the presence of the distant CPU. When the CPU is operating, this LED normally[...]

890-007 Rev. A 01/28/99 Page 5 © 1999 RadioLAN, Inc. 10BaseT Port Jack Next to the MDI/MDI-X selector button you will find the 10BaseT port . The 10BaseT port interfaces the CPU to its local area network . The 10BaseT port is RJ45-compatible, which allows an eight-wire connection to a network hub or other hard-wired external device . 10BaseT LED I[...]

890-007 Rev. A 01/28/99 Page 6 © 1999 RadioLAN, Inc. CRM Port At the opposite end of the CPU, there is a female 15-pin D connector . The connector allows you to connect the CRM to the CPU, using the cable that is attached to the Radio Unit. Mounting Bracket The mounting bracket is specially shaped so that it allows the CRM to slide into the mounti[...]

890-007 Rev. A 01/28/99 Page 7 © 1999 RadioLAN, Inc. The Companion Radio Module (CRM) The CRM interfaces the CPU with the directional antenna. The CRM is small, durable, and designed to insert easily into the mounting bracket that is attached to the CPU. On one end of the CRM, there is a Type N connector and an LED indicator. The Type N connector [...]

890-007 Rev. A 01/28/99 Page 8 © 1999 RadioLAN, Inc. Power Transformer The power transformer provides an easy connection to electrical outlets. One end of the transformer has a power cable with a connector that is compatible with the CPU’s power jack. The other end plugs into an electrical outlet. RadioLAN recommends using a non-switched electri[...]

890-007 Rev. A 01/28/99 Page 9 © 1999 RadioLAN, Inc. Antenna Cable The antenna cable provided is a 15-foot, low-loss cable. It is made of fire retardant material, and is UV stabilized. Cold-shrink tubing is supplied to cover the antenna end connector after connection to the cable. See the installation instructions packaged with the shrink tubing f[...]

890-007 Rev. A 01/28/99 Page 10 © 1999 RadioLAN, Inc. A Typical Campus BridgeLINK™ Application Figure 8 shows a typical Campus BridgeLINK application in which two buildings, with local area networks in each, are located up to one mile away from one another. Notice that there are no solid obstructions between the two buildings and that each build[...]

890-007 Rev. A 01/28/99 Page 11 © 1999 RadioLAN, Inc. Figure 9 illustrates the networks inside each building. Notice that the CPU is attached directly to a hub, which connects network nodes together. Determining the Distance between Buildings It is important to verify that you do not exceed the distance capabilities of Campus BridgeLINK . If you a[...]

890-007 Rev. A 01/28/99 Page 12 © 1999 RadioLAN, Inc. Initial IP Address Setup Before you can use the TCP/IP management services of a CPU , it must contain a valid network IP Address . There are three ways to assign an IP Address to the CPU: • Connection between the CPU and a PC on the same local LAN segment • A VT-100 terminal connection to t[...]

890-007 Rev. A 01/28/99 Page 13 © 1999 RadioLAN, Inc. Temporarily Connect the CPU To use the IP ASSIGN Utility , you must first obtain a PC with a 10BaseT Network Interface Card that has its own IP Address. The PC must not be running a DHCP Server while performing this procedure. 1. Determine the method that you are using to assign the IP Address:[...]

890-007 Rev. A 01/28/99 Page 14 © 1999 RadioLAN, Inc. Using the IP ASSIGN Utility to Assign the CPU’s IP Address RadioLAN provides the IP ASSIGN Utility diskette with your package. The utility allows you to assign an IP Address to the CPU quickly. To install the IP ASSIGN Utility and assign an IP Address to the CPU, follow these steps from a PC [...]

890-007 Rev. A 01/28/99 Page 15 © 1999 RadioLAN, Inc. Installing the CPU When installing a CPU you must mount it onto a wall or a ceiling. You must locate the CPU at a distance from the antenna that is no farther than the cable will allow. The cable length is a maximum of 15 feet ; this means you must consider all bends in the cable when determini[...]

890-007 Rev. A 01/28/99 Page 16 © 1999 RadioLAN, Inc. Locating the CPU After verifying that the CPU is located near a power source and network cabling, and is within the 15-foot cable distance constraint of the antenna, you must install the CPU securely to the mounting surface (for example, a wall or ceiling). 1 2 3 4 5 6 Wired Network Serve r 10B[...]

890-007 Rev. A 01/28/99 Page 17 © 1999 RadioLAN, Inc. Mounting the CPU When mounting the CPU , you must follow these steps. Before mounting the CPU to the mounting surface, connect the connector at the end of the CRM’s cable to the 15 pin D connector on the CPU (see Figure 13 ). Route the antenna cable from the directional antenna to the CRM , a[...]

890-007 Rev. A 01/28/99 Page 18 © 1999 RadioLAN, Inc. Orient the CRM so that its cable does not cross over the mounting brackets and then insert the CRM into the mounting bracket so that it is flush with the rim of the bracket (see Figure 14 ). Orient the CPU on the mounting surface in the location where you would like it to be attached. Figure 14[...]

890-007 Rev. A 01/28/99 Page 19 © 1999 RadioLAN, Inc. Use a pencil to mark the brackets screw hole locations onto the surface upon which you will mount the CPU. At the location’s screw holes, install any necessary anchoring devices . This is especially recommended when installing the CPU onto a sheet-rock or gypsum surface. Hold the CPU up to th[...]

890-007 Rev. A 01/28/99 Page 20 © 1999 RadioLAN, Inc. Grounding Considerations RadioLAN recommends that you properly ground the directional antenna as described in mounting hardware installation instructions and required by your local ordinances . RadioLAN recommends that you connect the antenna assembly to a ground rod driven a minimum of 10 feet[...]

890-007 Rev. A 01/28/99 Page 21 © 1999 RadioLAN, Inc. Installing the Antenna There are many methods for mounting the antenna onto a wall. The assembly includes a U -bolt that allows you to connect the directional antenna to a standard size mounting assembly that is used for other directional antenna applications. Directional antenna wall-mounting [...]

890-007 Rev. A 01/28/99 Page 22 © 1999 RadioLAN, Inc. Choosing the Best Mounting Height Make sure that you choose the appropriate mounting height for the directional antenna. You must consider the cable distance between the directional antenna and the CPU, and the level of accessibility for routing cable and mounting the CPU. If the structure has [...]

890-007 Rev. A 01/28/99 Page 23 © 1999 RadioLAN, Inc. Sighting Each Campus BridgeLINK™ Antenna Once you have installed and grounded the mounting bracket assembly (provided by others), you can point the directional antenna toward the location of the distant antenna. Tools You Will Need To site the antenna properly, you will need to have a crescen[...]

890-007 Rev. A 01/28/99 Page 24 © 1999 RadioLAN, Inc. Sighting Procedure Campus BridgeLINK™ uses a 19° angle of reception for each of its antennas. This means that, from the center of the directional antenna, you can angle away from your target for as much as 9.5° in any direction. This makes it very easy to site the two antennas and align the[...]

890-007 Rev. A 01/28/99 Page 25 © 1999 RadioLAN, Inc. 2 1 Apply Power to the CPU After verifying that the antenna cable is properly attached to the antenna and the CRM, and after making sure that the CRM is properly attached to the CPU , you can apply power to the CPU following these steps: 1. Connect the CPU to the power transformer. 2. Connect t[...]

890-007 Rev. A 01/28/99 Page 26 © 1999 RadioLAN, Inc. Adding Security to the Wireless Network As an option , you can contact RadioLAN to enable the Data Encryption feature. This feature secures the wireless link by setting an encryption key that protects your sensitive data on the wireless link. When you enable Data Encryption, only CPUs that shar[...]

890-007 Rev. A 01/28/99 Page 27 © 1999 RadioLAN, Inc. The CPU’s interface includes system security authentication passwords , so only remote users with the correct password can access and configure the CPU. The CPU offers up to three security access passwords, each configurable for read and/or write rights. System Requirements To successfully pl[...]

890-007 Rev. A 01/28/99 Page 28 © 1999 RadioLAN, Inc. Using the Campus BridgeLINK™ Manager The Campus BridgeLINK™ Manager allows you to interrogate and interact with the CPU from a remote location on the IP network, using a Web browser to communicate with the CPU. Your browser must support Java script and frames. After launching your browser, [...]

890-007 Rev. A 01/28/99 Page 29 © 1999 RadioLAN, Inc. Browsing the Network for the CPU To find the CPU on your network, follow these steps: 1. Open your Web browser 2. In the browser’s address field, type the IP Address for the CPU, then press Enter . The browser searches the network for the CPU. When it finds the CPU, the E NTER N ETWORK P ASSW[...]

890-007 Rev. A 01/28/99 Page 30 © 1999 RadioLAN, Inc. Product ID The Product ID field is a read-only field that reports the Product ID for the CPU. Enter User Name The Enter User Name field is an entry field where you enter your user name to gain access to the configuration and diagnostic pages. Only entries matching those programmed into the S YS[...]

890-007 Rev. A 01/28/99 Page 31 © 1999 RadioLAN, Inc. Campus BridgeLINK™ Manager Site Layout The Campus BridgeLINK™ Manager Site uses frames that allow you to size and view the pages according to your needs. The main menu is made up of the following items: • Node Discovery–-Checks the quality of the link. • System Features–-Enables enh[...]

890-007 Rev. A 01/28/99 Page 32 © 1999 RadioLAN, Inc. Figure 23 shows the main screen . The left side of the page contains a menu that allows you to select the screen that you want to view or change. Menu items that have a [+] next to them have submenu items that lead to specific pages. After selecting a submenu item, the right frame of the page c[...]

890-007 Rev. A 01/28/99 Page 33 © 1999 RadioLAN, Inc. Aiming the Directional Antennas If you are installing the Campus BridgeLINK™ system, or if you want to improve the alignment of the two directional antennas , use the A NTENNA A IMING page to find the distant antenna’s signal, and to improve signal quality . The page includes the following [...]

890-007 Rev. A 01/28/99 Page 34 © 1999 RadioLAN, Inc. Selecting the Distant CPU’s Address The A NTENNA A IMING page allows you to select the remote CPU’s name or explicit address. If you place a check in the Explicit Address check box, the CPU Name list box displays the field to enter the MAC Address of the distant CPU. Clearing the Explicit A[...]

890-007 Rev. A 01/28/99 Page 35 © 1999 RadioLAN, Inc. Setting Up Security Features The A CCESS S ECURITY P AGE allows you to specify up to three user names and passwords, which allow entry into the configuration and diagnostic pages. To get to this page, select Access Security from the System Configuration menu. User Logon Name Fields The User Log[...]

890-007 Rev. A 01/28/99 Page 36 © 1999 RadioLAN, Inc. Setting Up SNMP Capabilities The CPU contains an SNMP agent , which processes information from the CPU MIB. The MIB (Management Information Base) contains system status information, which allows for remote queries for system status and control with SNMP management applications from remote locat[...]

890-007 Rev. A 01/28/99 Page 37 © 1999 RadioLAN, Inc. Administration Parameters The A DMINISTRATION P ARAMETERS P AGE allows you to specify system identification information. This information is useful to allow remote network administrators to determine the: • System Name • System Contact • System Location These fields are described in the f[...]

890-007 Rev. A 01/28/99 Page 38 © 1999 RadioLAN, Inc. System Name The System Name field allows you to create an ID for the system agent . Enter from 1 to 15 letters or numbers for the system name. System Contact The System Contact field allows you to enter the name of the local administrator to contact for answers to questions and assistance with [...]

890-007 Rev. A 01/28/99 Page 39 © 1999 RadioLAN, Inc. IP Parameters IP Parameters allow you to set up information about the IP Address for the agent. The S YSTEM C ONFIGURATION - IP P ARAMETERS P AGE contains fields that allow you to set up IP Parameters. The following items are on the IP P ARAMETERS P AGE : • IP Address • Subnet Mask • Defa[...]

890-007 Rev. A 01/28/99 Page 40 © 1999 RadioLAN, Inc. IP Address The IP Address field allows you to designate the IP Address for the agent. The IP Address identifies the agent on a TCP/IP Network. The format of an IP Address is a 32-bit numeric address written as four numbers separated by periods. For example, 223.142.15.200 could be an IP Address[...]

890-007 Rev. A 01/28/99 Page 41 © 1999 RadioLAN, Inc. Type in the gateway IP Address using four numbers , each separated by a period. The first segment ranges from 0 to 223, the last three segments range from 0 to 255. The address looks similar to the following: 221.040.123.243 DHCP Support Short for D ynamic H ost C onfiguration P rotocol , this [...]

890-007 Rev. A 01/28/99 Page 42 © 1999 RadioLAN, Inc. Acquire IP and Download System Software If your DHCP Server is equipped for System Software Downloads, you can acquire a temporary IP address and update system software with the function as an alternative to FTP and TFTP services discussed in Upgrading System Software on page 74 . The downloade[...]

890-007 Rev. A 01/28/99 Page 43 © 1999 RadioLAN, Inc. SNMP Parameters The S YSTEM C ONFIGURATION -SNMP P ARAMETERS P AGE contains fields that specify the SNMP management and notification parameters. The local agent can communicate with up to five remote managers . You can edit SNMP Managing Hosts by clicking the Edit button. There are three messag[...]

890-007 Rev. A 01/28/99 Page 44 © 1999 RadioLAN, Inc. The following items are found on this page: • Read Community field • Write Community field • Enable Authentication Trap check box Read Community The Read Community field contains up to 31 characters. You can use any character to create a string. Remote managers use this string as a passwo[...]

890-007 Rev. A 01/28/99 Page 45 © 1999 RadioLAN, Inc. Configuring SNMP Managers for the CPU The S YSTEM C ONFIGURATION – C ONFIGURE SNMP H OST P AGE offers five IP Address fields, allowing you to designate the IP Addresses for up to five SNMP Manager stations. This identifies the station on a TCP/IP Network . The format of an IP Address is a 32-[...]

890-007 Rev. A 01/28/99 Page 46 © 1999 RadioLAN, Inc. Setting Access Rights for SNMP Managers The Access Right column contains radio buttons that allow you to select the following options: Get only Allows the SNMP Manager Station at the selected IP Address to retrieve information from the CPU. When this is selected, the CPU will not allow the Mana[...]

890-007 Rev. A 01/28/99 Page 47 © 1999 RadioLAN, Inc. Setting the CPU’s Mode of Operation The S YSTEM C ONFIGURATION – S YSTEM O PERATION M ODE P AGE allows you to set up the method that you will use for operating the CPU . This screen displays software options that are currently enabled. If you are using CPU version 2.0 or higher, the screen [...]

890-007 Rev. A 01/28/99 Page 48 © 1999 RadioLAN, Inc. Securing the CPU with Data Encryption If you have enabled encryption, the System C ONFIGURATION – D ATA E NCRYPTION P AGE allows you to secure wireless data by using Data Encryption. This page offers two selections: • Enable check box • Encryption Key field Data Encryption Enabled Check B[...]

890-007 Rev. A 01/28/99 Page 49 © 1999 RadioLAN, Inc. Bridging the Link and 10BaseT Networks Because the CPU is a bridging device that connects a 10BaseT Network to a wireless link , the CPU must learn about the network . The CPU dynamically learns MAC Addresses as distant network nodes . The CPU passes data packets that are addressed to far-end n[...]

890-007 Rev. A 01/28/99 Page 50 © 1999 RadioLAN, Inc. There are two pages that allow the CPU to learn about the 10BaseT Network. Select the Port Parameters menu item to access these pages: • 10BaseT Parameters page • Radio Port Parameters page Each page contains information about filters used by the CPU to route data packets in and out of each[...]

890-007 Rev. A 01/28/99 Page 51 © 1999 RadioLAN, Inc. 10BaseT Port Parameters The 10B ASE T P ORT P ARAMETERS P AGE displays the 10BaseT port’s name, allows you to enable or disable the port and network filters, and allows you to examine the MAC Address filter. Filters that you can enable or disable are as follows: • MAC Address Filter • IP [...]

890-007 Rev. A 01/28/99 Page 52 © 1999 RadioLAN, Inc. with the 10BaseT and wireless link. Once information is stored in the database, you can allow or disallow packet flow to or from remote addresses in the database. Checked Placing a check mark in the check box enables MAC Address filtering. This filtering is essential for keeping wireless link t[...]

890-007 Rev. A 01/28/99 Page 53 © 1999 RadioLAN, Inc. Block IPX Packets The Block IPX Packets check box allows you to enable or disable communication with Novell IPX protocol networks. Unchecked Clearing a check mark from the check box enables IPX packet forwarding. Checked Placing a check mark in the check box blocks IPX pack et forwarding. Block[...]

890-007 Rev. A 01/28/99 Page 54 © 1999 RadioLAN, Inc. Radio Port Parameters The R ADIO P ORT P ARAMETERS P AGE displays the radio port’s (wireless link) name, allows you to enable or disable the link and network filters, and allows you to examine the MAC Address filter. You can edit the MAC Address filters by clicking the Edit button. See 10Base[...]

890-007 Rev. A 01/28/99 Page 55 © 1999 RadioLAN, Inc. Port Name The Port Name text box allows you to enter up to 12 characters that identify the name of the CPU . This appears as the CPU’s address on the A NTENNA A IMING page (see Selecting the Distant CPU’s Address on page 34 for more information). Subnet ID The Subnet ID text box allows you [...]

890-007 Rev. A 01/28/99 Page 56 © 1999 RadioLAN, Inc. Setting the Baud Rate for the Local Port The CPU allows you to connect and manage with a local terminal. To get to this page, select Port Parameters from the System Configuration menu, then select Console Port . The C ONSOLE P ARAMETERS P AGE allows you to set the baud rate for the terminal. Se[...]

890-007 Rev. A 01/28/99 Page 57 © 1999 RadioLAN, Inc. Managing Packet Flow Through the CPU The CPU can selectively allow or disallow traffic to or from the 10BaseT Network and the wireless link . Proper packet flow management improves the speed of the wireless link by eliminating unwanted network traffic. The CPU is set for optimum performance by [...]

890-007 Rev. A 01/28/99 Page 58 © 1999 RadioLAN, Inc. The databases contain the following columns: • Item • MAC Address • Mask Bytes • Source/Dest. • Accept/Reject Item The Item column shows the order in which the CPU stored the database entry. MAC Address The MAC Address column displays the MAC Address (in six, two-character octets) for[...]

890-007 Rev. A 01/28/99 Page 59 © 1999 RadioLAN, Inc. Mask Bytes As an alternative to placing wildcards ( 00 ) in the MAC Address field, the Mask Bytes column allows you to select which octets in the MAC Address field will be read by the CPU (see Figure 37 ). Entering ff into a m ask bytes octet instructs the CPU to allow only MAC octets with a va[...]

890-007 Rev. A 01/28/99 Page 60 © 1999 RadioLAN, Inc. Accept/Reject The Accept/Reject column permits you to allow or disallow transmission of the packet, depending upon the entry in the Source/Dest. column. For example, if Source is enabled in the Source/Dest. column, and the Reject radio button is enabled in the Accept/Reject column, the CPU will[...]

890-007 Rev. A 01/28/99 Page 61 © 1999 RadioLAN, Inc. Choose Destination if you want to filter messages that are broadcast from other nodes and intended for receipt by the MAC Address. 3. In the Accept/Reject column, you can allow or disallow the passage of the packet through the CPU based upon the broadcast type (source or destination) in the Sou[...]

890-007 Rev. A 01/28/99 Page 62 © 1999 RadioLAN, Inc. Network 1 Network 2 Network 3 Spanning Tree Parameters When you connect two or more networks to increase the number of users, or enhance the ability for users of two (or more) networks to communicate with one another, you can control the routing of data to maximize the efficiency of the traffic[...]

890-007 Rev. A 01/28/99 Page 63 © 1999 RadioLAN, Inc. The S YSTEM C ONFIGURATION - S PANNING T REE P ARAMETERS P AGE allows you to set up bridging characteristics for the CPU that conform to Spanning Tree 802.1D protocol. The page displays the following items: • Bridge Priority • Hello Time (1–10) • Forward Delay Time (4–3) • Max. Age [...]

890-007 Rev. A 01/28/99 Page 64 © 1999 RadioLAN, Inc. Hello Time (1–10) Each time a network sends a frame, and no root bridge is present, the network sends a message that notifies other networks of its request to be the root bridge. If no other network responds to this “Hello” message, the network establishes itself as the root bridge betwee[...]

890-007 Rev. A 01/28/99 Page 65 © 1999 RadioLAN, Inc. Enter the number of seconds (between 4 and 30) that the bridge will wait for the primary port to pass a frame before switching the secondary port into the forwarding state, so that the secondary port can route data when the primary port fails to do so. Max. Age Time (6–40) The bridge maintain[...]

890-007 Rev. A 01/28/99 Page 66 © 1999 RadioLAN, Inc. Port Priority (0–255) Bridges associate ports with physical devices , such as a router jack. A bridge can associate one or more ports with a physical interface. Each port is associated with a port priority, which contributes the topology of the network. The lower the number in this field, the[...]

890-007 Rev. A 01/28/99 Page 67 © 1999 RadioLAN, Inc. Interrogating the System for Performance Information Performance is a combination of speed and accuracy. When the CPU transmits at higher rates, and retransmits packets fewer times, it has a higher rate of performance. Most users discover performance issues when sending large files from one CPU[...]

890-007 Rev. A 01/28/99 Page 68 © 1999 RadioLAN, Inc. Checking 10BaseT Port Statistics The S YSTEM S TATISTICS - 10B ASE T P ORT S TATISTICS P AGE reports the CPU’s ability to communicate with 10BaseT Network stations. The information on this page is automatically updated every ten seconds. This section describes the 10B ASE T P ORT S TATISTICS [...]

890-007 Rev. A 01/28/99 Page 69 © 1999 RadioLAN, Inc. Total Packets Transmitted Total Packets Transmitted counts and stores the total number of packets that the CPU sends to 10BaseT stations on the network. This number represents all transmitted packets. Total Packets Received Total Packets Received counts and stores the total number of packets th[...]

890-007 Rev. A 01/28/99 Page 70 © 1999 RadioLAN, Inc. Overrun Packets This field totals the number of frames that exceeded Ethernet maximum size specifications. Runt Packets This field totals the number of frames that were smaller than Ethernet minimum size specifications.[...]

890-007 Rev. A 01/28/99 Page 71 © 1999 RadioLAN, Inc. Checking Radio Port (Wireless Link) Statistics The S YSTEM S TATISTICS - R ADIO P ORT S TATISTICS P AGE reports the CPU’s ability to communicate with the distant CPU. The information on this page is automatically updated every ten seconds. This section describes the R ADIO P ORT S TATISTICS P[...]

890-007 Rev. A 01/28/99 Page 72 © 1999 RadioLAN, Inc. Packet Transmission The Packet Transmission section stores information about packets that are sent from the CPU to the distant CPU. Total Packets Transmitted The Total Packets Transmitted field counts and stores the total number of packets that the CPU sends to the distant CPU across the wirele[...]

890-007 Rev. A 01/28/99 Page 73 © 1999 RadioLAN, Inc. Total Retransmission When the distant CPU does not acknowledge the receipt of a packet sent by the local CPU, the local CPU resends the packet a number of times until the distant station acknowledges receipt of the packet. The Total Retransmission field counts and stores the number of retransmi[...]

890-007 Rev. A 01/28/99 Page 74 © 1999 RadioLAN, Inc. Upgrading System Software The CPU contains a default operating system, a running operating system, and a file containing configuration items. When you perform a software upgrade , the downloaded file is placed in temporary storage. If you are not using a DHCP server to update your software (see[...]

890-007 Rev. A 01/28/99 Page 75 © 1999 RadioLAN, Inc. This page contains the following objects: • Upgrade from file radio button • Upgrade from TFTP server radio button • System Software Filename field • TFTP Server IP Address field • Download button Upgrade from File Selecting this radio button allows you to select a file on your local [...]

890-007 Rev. A 01/28/99 Page 76 © 1999 RadioLAN, Inc. TFTP Server IP Address If you selected the Upgrade from TFTP Server radio button, the TFTP Server IP Address field appears. Enter the IP Address for the server where you will obtain the upgrade file. Download Button Upload causes the CPU to retrieve the specified software file from the specifie[...]

890-007 Rev. A 01/28/99 Page 77 © 1999 RadioLAN, Inc. Saving or Rejecting Configuration Setting Changes The Configuration Changes menu item displays the S YSTEM C ONFIGURATION – C ONFIGURATION C HANGES PAGE . This page allows you to save your changes, or to reject changes you have made to allow the CPU to continue operating as before you accesse[...]

890-007 Rev. A 01/28/99 Page 78 © 1999 RadioLAN, Inc. Save All Changes and Reset This radio button causes all changes that you have made during this session to overwrite existing program entries. The CPU automatically resets and uses new configuration settings. Reload Last Saved Configuration This radio button causes all changes that you have made[...]

890-007 Rev. A 01/28/99 Page 79 © 1999 RadioLAN, Inc. Resetting the CPU Any time you make configuration changes , or download a new version of the CPU’s operating system, you must reset the CPU. One method of resetting the CPU is to remove power from the unit for approximately five seconds. Another method for resetting the CPU is found on the R [...]

890-007 Rev. A 01/28/99 Page 80 © 1999 RadioLAN, Inc. Recording Important System Information Having system information on hand is essential to proper system management. The Campus BridgeLINK™ Manager makes it easy to keep information on hand, recording configuration information that was last saved (see Saving or Rejecting Configuration Setting C[...]

890-007 Rev. A 01/28/99 Page 81 © 1999 RadioLAN, Inc. The S YSTEM I NFORMATION P AGE includes the following information: Product Name States the product name. System Name States the system name entere d on the A DMINISTRATION P ARAMETERS PAGE . System Contact States the system contact entered on the A DMINISTRATION P ARAMETERS P AGE . System Locat[...]

890-007 Rev. A 01/28/99 Page 82 © 1999 RadioLAN, Inc. System Software File Name States the system software file name. Hardware Revision States the hardware version of the CPU. System Serial Number States the CPU’s serial number . System Up Time States the day, hours, and minutes that the system has been in operation.[...]

890-007 Rev. A 01/28/99 Page 83 © 1999 RadioLAN, Inc. Viewing the System Log The S YSTEM L OG P AGE collects system events like system starts, restarts, and password authentication messages. The screen displays a list with the following columns: Item Displays the item number on the list. As new events appear, the CPU issues a new number. Task List[...]

890-007 Rev. A 01/28/99 Page 84 © 1999 RadioLAN, Inc. Managing the CPU Locally You can connect a serial device such as a VT-100 terminal, a PC using terminal software, or dial-up modem to the CPU as an alternative method of managing the CPU . Using this method, you can communicate with the CPU to make configuration changes or to interrogate the CP[...]

890-007 Rev. A 01/28/99 Page 85 © 1999 RadioLAN, Inc. The CPU uses an RJ11 jack for connection to the terminal. The CPU requires a special interface cable that connects between the serial port jack and a DB9F serial connector . The pin-outs for this cable are shown in Table 1 . Signal Description DB-9F RJ11 Signal Description Ground 2 1 Ground Ser[...]

890-007 Rev. A 01/28/99 Page 86 © 1999 RadioLAN, Inc. CPU Local Management The CPU Local Management menu allows you to view screens that contain configuration information about the CPU. Using this menu, you can assign passwords, set up IP Addresses for the CPU and SNMP message Traps, set address filters, test system performance, and view system pe[...]

890-007 Rev. A 01/28/99 Page 87 © 1999 RadioLAN, Inc. Logging onto the CPU Configuration Screen The L OGON S CREEN provides security to CPU configuration items. There are three fields on the screen: • Serial Number • Enter User Name • Enter Password If the password is not set, the following message will appear at the bottom of the screen: (P[...]

890-007 Rev. A 01/28/99 Page 88 © 1999 RadioLAN, Inc. Serial Number The Serial Number field is a read-only field that reports the CPU’s serial number . Enter User Name The Enter User Name field is an entry field into which you enter your user name to gain access to the configuration and diagnostic screens. Only entries matching those programmed [...]

890-007 Rev. A 01/28/99 Page 89 © 1999 RadioLAN, Inc. Using the Main Menu After gaining access from the L OGON S CREEN , the main menu appears. This menu lists all major sections of the program. The following items appear: Node Discovery Displays the signal quality of the wireless link. System Features T akes you to the S YSTEM F EATURES menu, whe[...]

890-007 Rev. A 01/28/99 Page 90 © 1999 RadioLAN, Inc. System Configuration L eads you to configuration items, such as access security, SNMP parameters, and port parameters. See Working with the System Configuration Menu on page 91 for more information about this selection. System Statistics A llows you to see the historical performance of the CPU.[...]

890-007 Rev. A 01/28/99 Page 91 © 1999 RadioLAN, Inc. Working with the System Configuration Menu After selecting System Configuration on the main menu, the System Configuration menu appears, allowing you to set up a number of CPU network functions. The menu contains the following items: Administration Parameters This selection leads you to the A D[...]

890-007 Rev. A 01/28/99 Page 92 © 1999 RadioLAN, Inc. IP Parameters This item displays the IP P ARAMETERS menu , from which you assign the CPU’s IP Address for the 10BaseT Network. You can also enable DHCP support here. See IP P ARAMETERS on page 96 for more information about this selection. Spanning Tree Parameters This item displays the S PANN[...]

890-007 Rev. A 01/28/99 Page 93 © 1999 RadioLAN, Inc. SNMP Parameters This item displays the SNMP P ARAMETERS menu , where you can set IP Addresses and other items related to SNMP management. Software Upgrade Parameters Sel ecting this item displays the S OFTWARE U PGRADE menu, at which you can specify the IP Address of a TFTP server where you can[...]

890-007 Rev. A 01/28/99 Page 94 © 1999 RadioLAN, Inc. Access Security This selection leads you to the A CCESS S ECURITY menu, from which you can assign logon names and passwords for up to three users. See S YSTEM C ONFIGURATION – A CCESS S ECURITY M ENU on page 95 for more information about this selection. Configuration Changes After making chan[...]

890-007 Rev. A 01/28/99 Page 95 © 1999 RadioLAN, Inc. Configuration Manager Menu Items The following table lists each menu name and menu item, and gives a brief note for items in the Configuration Manager menus. For a further explanation of an item on the list, see the Refer to column, which states the section name and page number where you can fi[...]

890-007 Rev. A 01/28/99 Page 96 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes System Contact System Contact on page 38 Enter from 1 to 15 letters or numbers. System Location System Location on page 38 Enter from 1 to 15 letters or numbers. IP P ARAMETERS IP Parameters on page 39 Allows you to set network addresses. IP Address IP Addres[...]

890-007 Rev. A 01/28/99 Page 97 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Default Gateway IP Address Default Gateway IP Address on page 40 The first segment ranges from 0 to 223, the last three segments range from 0 to 255 (for example, 223.142.15.200). DHCP Operation Mode DHCP Support on page 41 Enables and disables DHCP support, [...]

890-007 Rev. A 01/28/99 Page 98 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Write Community Write Community on page 44 Enter up to 31 letters or numbers or symbols. Enable Authentication Trap Enable Authentication Trap on page 44 Choose Yes or No . Configure Managing Hosts Leads to C ONFIGURE SNMP H OSTS menu. C ONFIGURING SNMP H OST[...]

890-007 Rev. A 01/28/99 Page 99 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Enable System Log Receiving Directing the System Log to Manager Stations on page 46 Choose Yes or No . Add this Managing Host Adds the management station settings to the CPU’s management database. SNMP M ANAGING H OSTS Displays information about CPU configu[...]

890-007 Rev. A 01/28/99 Page 100 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Enable Encryption Data Encryption Enabled Check Box on page 48 Choose Yes or No . Encryption Key Encryption Key on page 48 Enter the encryption key. S YSTEM C ONFIGURATION - P ORT P ARAMETERS M ENU Bridging the Link and 10BaseT Networks on page 49 This menu [...]

890-007 Rev. A 01/28/99 Page 101 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Subnet ID Subnet ID on page 55 Available in R ADIO P ORT P ARAMETERS menu only. Enter four characters. Block MAC Packets MAC Address Filter on page 51 Choose Yes or No . Edit MAC Filters Edit Button on page 52 This item leads to the E DIT MAC F ILTERS menu. [...]

890-007 Rev. A 01/28/99 Page 102 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Filter Mask Bytes Mask Bytes on page 59 Enter the Mask bytes for the network node. Source or Destination Address Filtering Source/Dest. on page 59 Allows you to specify whether the action upon packets will be occur if that node is sending or receiving packet[...]

890-007 Rev. A 01/28/99 Page 103 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Hello Time (1–10) Hello Time (1–10) on page 64 Enter a number from 1 to 10. Forward Delay Time (4–30) Forward Delay Time (4–30) on page 64 Enter a number from 4 to 30. Max. Age Time (6–40) Max. Age Time (6–40) on page 65 Enter a number from 6 to [...]

890-007 Rev. A 01/28/99 Page 104 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes 10B ASE T P ORT S TATISTICS M ENU Checking 10BaseT Port Statistics on page 68 Allows you to interrogate the system remotely about current traffic statistics on the 10BaseT port. R ADIO P ORT S TATISTICS M ENU Checking Radio Port (Wireless Link) Statistics on[...]

890-007 Rev. A 01/28/99 Page 105 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes System Software Filename System Software Filename on page 75 Allows you to enter the file name of the operating system file that you want to download. Perform Download Download Button on page 76 Causes the CPU to retrieve the specified software file from the[...]

890-007 Rev. A 01/28/99 Page 106 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Reload All Previous Configurations Reload Last Saved Configuration on page 78 Abandons all changes that you have made and change entries back to their original settings. Reset All Configuration Changes Reset Configuration to Factory Default on page 78 Resets[...]

890-007 Rev. A 01/28/99 Page 107 © 1999 RadioLAN, Inc. Menu Name Menu Item Refer to: Notes Best Viewing or Hearing Status of the Link on page 34 Displays the best transfer rate detected during the alignment. Worst Viewing or Hearing Status of the Link on page 34 Displays the worst transfer rate detected during the alignment. Perform Ping Starting [...]

890-007 Rev. A 01/28/99 Page 108 © 1999 RadioLAN, Inc. Troubleshooting This section discusses ways to eliminate trouble on the wireless link . We will provide cross-references to other sections of the manual, which support corrective action. The CPU bridges traffic between the wireless link and wired-backbone network . The unit provides several in[...]

890-007 Rev. A 01/28/99 Page 109 © 1999 RadioLAN, Inc. Problem: Radio Range seems less than it should be. Check the placement of the directional antenna. Generally, the higher on the wall it is placed, the better the signal pattern will be. If this link has been working for some time, inspect the antenna to see if it has been moved out of alignmen[...]

890-007 Rev. A 01/28/99 Page 110 © 1999 RadioLAN, Inc. Glossary Access Point A service allowing wireless client stations to exchange data with an existing 10BaseT hard- wired Ethernet Network. Agent Software at the device being controlled. The agent monitors the status of objects in an information base called the MIB. The agent can be programmed t[...]

890-007 Rev. A 01/28/99 Page 111 © 1999 RadioLAN, Inc. Domain A grouping of devices that are members of a specific realm or location on a network. Each device is identified on the Internet by a specific extension attached to the location’s IP Address which is shared among all devices within the domain. Gateway A doorway to the Internet that allo[...]

890-007 Rev. A 01/28/99 Page 112 © 1999 RadioLAN, Inc. MIB Management Information Base. A database of information about a particular community within a network including information about the activities of that community. This information can be reviewed for understanding of activities of the MIB and troubleshooting. Node Any device connected to a[...]

890-007 Rev. A 01/28/99 Page 113 © 1999 RadioLAN, Inc. Appendix A: Indicators, Switches, and Connectors Indicators 10BaseT Port LEDs There are two built-in LEDs located on the 10BaseT connector which provide link and port activity information . • The CAR LED (green) is active when the port is connected to another powered 10BaseT port whose signa[...]

890-007 Rev. A 01/28/99 Page 114 © 1999 RadioLAN, Inc. Status LEDs The green Status 1 LED illuminates when the CPU detects the presence of the distant CPU. When the CPU is operating, this LED normally illuminates when the near and far CPUs are active. The green Status 2 LED illuminates when the CPU detects the presence of data passing through the [...]

890-007 Rev. A 01/28/99 Page 115 © 1999 RadioLAN, Inc. I/O Connectors 10BaseT connector The 10BaseT interface is provided through a shielded RJ-45 connector, which can be configured by way of the MDI/MDI-X switch. The pin-out is described in the following table and figure: Pin # Signal (MDI configuration) Signal (MDI-X configuration) 1 TX+ (Transm[...]

890-007 Rev. A 01/28/99 Page 116 © 1999 RadioLAN, Inc. Serial Port Connector The serial port interface is provided through a four-pin RJ-11 connector. You can connect the serial port to a DB9 jack using a cable with a four-pin modular connector on one end, and a DB9F connector on the other. The pin-out is described in the following table and figur[...]

890-007 Rev. A 01/28/99 Page 117 © 1999 RadioLAN, Inc. Appendix B: Technical Specifications Network Protocol 10 Mb/s Manchester encoded (IEEE 802.3 CSMA/CD) RadioLAN/10™ Pulse Modulated (CSMA/CA) Standards Support IEEE 802.3i Type 10BaseT Electrical Specifications Domestic International Input Power: 18 Watts 18 Watts AC Line Frequency: 60 Hz 50-[...]

890-007 Rev. A 01/28/99 Page 118 © 1999 RadioLAN, Inc. Physical Specifications Dimensions 6.375” x 4.1875” x 13.125” Weight 22.3 oz. (632g) Environmental Specifications Operating Temperature: 5 C to 40 C Storage Temperature: -25 C to 70C Operating Humidity: 85% max. relative humidity, non-condensing Storage Humidity: 95% max. relative humidi[...]

890-007 Rev. A 01/28/99 Page 119 © 1999 RadioLAN, Inc. Electromagnetic Emissions Meets requirement of: FCC Part 15, Subparts A and B, Class A EN55 022 (CISPR 22:1985), Class A General License VDE 0871, Class A (AmtsblVfg No. 243/1991 and Vfg 46/1992 ) VCCI Class 1 ITE Safety Agency Approvals UL-listed, ULC-listed, CSA-certified, TUV-licensed[...]

890-007 Rev. A 01/28/99 Page 120 © 1999 RadioLAN, Inc. Getting Technical Support If you have technical questions or have determined that your equipment is damaged, RadioLAN offers a number of ways to get assistance: 1. Contact your local RadioLAN reseller from which you purchased the product. 2. See the RadioLAN Web Site for technical assistance: [...]

890-007 Rev. A 01/28/99 Page 121 © 1999 RadioLAN, Inc. Index 1 10BaseT (and Radio) MAC Filter List menu, 103 10BaseT (and Radio) Port Parameters menu, 100 10BaseT LED indicators, 5 10BaseT Networks, 49. See also networks browser requirements, 27 configuring, 51 connections, 5, 57 getting performance information, 68 IP Address assignment and, 13 tr[...]

890-007 Rev. A 01/28/99 Page 122 © 1999 RadioLAN, Inc. remote traps and, 43 aligning antennas, 24 amperes rating, 117 anchoring devices, 19 angle of operation, 2 antenna, 2, 8 attaching to CRM, 7 grounding, 20 improving signal quality, 33 mounting, 21 siting, 23 Antenna Aiming menu, 106 Antenna Aiming page, 33 antenna cable, 9 attaching to CRM, 17[...]

890-007 Rev. A 01/28/99 Page 123 © 1999 RadioLAN, Inc. technology overview, 1 Campus BridgeLINK Manager, 28 getting system information, 80 keyboard shortcuts, 86 logging onto, 29 main menu, 31, 89 main screen, 32 Campus BridgeLINK Processor Unit. See CPU CAR LED, 5 case sensitivity, 35 changing system configuration, 28, 77, 79 preventing SNMP Mana[...]

890-007 Rev. A 01/28/99 Page 124 © 1999 RadioLAN, Inc. contacting RadioLAN Technical Support, 120 CPU, 3, 49, 74 10BaseT interface, 5 accessing from network, 29 addressing, 54 alternative management devices, 84 electrical connections, 8 getting performance information, 67 hardware connections, 19 installing, 15 IP Address assignment, 12, 14 mounti[...]

890-007 Rev. A 01/28/99 Page 125 © 1999 RadioLAN, Inc. Destination Address Filtering command, 101 devices, 84 hard-wire external, 5 networks and, 41 port priority, 66 DHCP Operation Mode command, 97 DHCP Server assigning IP Address, 41 disabling, 41 getting IP Address, 41 DHCP Server IP Address command, 97 directional antenna. See antenna distance[...]

890-007 Rev. A 01/28/99 Page 126 © 1999 RadioLAN, Inc. files, transmitting large, 67 Filter Mask Address command, 101 Filter Physical Address command, 101 filtering databases, 57 filters, 51, 54 adding MAC Address, 60 caution for setting, 57 changing MAC Address, 61 formats for IP Address, 40 Forward Delay Time command, 102 forward delay timing, 6[...]

890-007 Rev. A 01/28/99 Page 127 © 1999 RadioLAN, Inc. location requirements, 2, 10, 11, 15, 21 interface cable, 85 interference, ii Internet, 40 IP Address, 12 assigning default gateway, 40 to CPU, 12, 14 to SNMP agent, 40 getting current, 81 getting for DHCP servers, 41 specifying for network devices, 41 IP Address command, 96 IP ASSIGN Utility,[...]

890-007 Rev. A 01/28/99 Page 128 © 1999 RadioLAN, Inc. caution for setting, 57 changing, 61 deleting, 61 MAC Filters menu, 101 main menu, 31, 89 Management Information Base. See MIB Manager, 28 getting system information, 80 keyboard shortcuts, 86 logging onto, 29 main menu, 31, 89 main screen, 32 Managing Host Access Right command, 98 Managing Ho[...]

890-007 Rev. A 01/28/99 Page 129 © 1999 RadioLAN, Inc. numbers as IP Address, 40 O operating frequency, iii, 117 operational modes, 47 outages, 62 overrun packets, 70 P packets, 49, 62 collision counter, 69 enabling/disabling transfers, 57 for remote users, 51 encrypting, 48 receiving from distant CPU, 73 remote transfer checks, 69, 72 retransmitt[...]

890-007 Rev. A 01/28/99 Page 130 © 1999 RadioLAN, Inc. transmit/receive switch, 4 Power LED, 3 power ratings, 117 power transformer, 8 powering up the CPU, 25 Processor Unit. See CPU protecting wireless stations, 26, 27 R Radio Module. See CRM Radio Port Parameters menu, 100 Radio Port Parameters Page, 54 Radio Port Statistics command, 103 Radio P[...]

890-007 Rev. A 01/28/99 Page 131 © 1999 RadioLAN, Inc. Save All Configuration Changes command, 105 Save Distance Parameters command, 107 saving system configurations, 78 screens, resizing frames, 32 security, 26, 27, 87 enabling data encryption, 48 setting up, 35 serial connector, 85 serial devices, 84 serial number, getting, 82, 88 serial port, 2[...]

890-007 Rev. A 01/28/99 Page 132 © 1999 RadioLAN, Inc. Subnet Mask command, 96 Successful % command, 106 system agent IDs, 38 system components, 3 system configuration 10BaseT networks, 51 changing, 28, 77, 79 preventing SNMP Manager from, 46 DHCP Server, 41 hard-wired bridge, 63 network-specific filters, 51, 54 reverting to previously saved, 78 s[...]

890-007 Rev. A 01/28/99 Page 133 © 1999 RadioLAN, Inc. Radio Port Statistics Page, 71 System Status menu, 107 system upgrades, 74 T TCP/IP management services, 12 TCP/IP Networks, 45. See also networks technical specifications, 117 technical support, 120 temperature, 118 termporary connections, 13 testing reception, 34 TFTP Server IP Address comma[...]

890-007 Rev. A 01/28/99 Page 134 © 1999 RadioLAN, Inc. wildcards, 58 Windows connections, 53 wireless networks. See wireless stations wireless stations, 49, 57 bridging to hard-wired, 62, 108 getting performance information, 26, 72 identifying, 55 optimizing performance, 52, 67 protecting from unauthorized users, 26, 27 troubleshooting tips, 108 W[...]

890-007 Rev. A 01/28/99 Page 135 © 1999 RadioLAN, Inc. Notes[...]

RadioLAN 455 De Guigne Drive Sunnyvale, CA 94086 Phone (408) 616-6300 Fax (408) 524-0600[...]