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Tut Systems XL-12000S User Manual

Tut systems user guide managed, high-speed network modem xl-12000s
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XL-12000S
Managed, High-Speed Network Modem
USER GUIDE
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YSTEMS

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Summary of Contents for Tut Systems XL-12000S

  • Page 1 XL-12000S Managed, High-Speed Network Modem USER GUIDE Start YSTEMS...
  • Page 2 Print Close Go to Table of Contents Quit...

  • Page 3: Warranty Policy

    Warranty Summary This Tut Systems product is warranted against defects in material and workmanship and will substantially conform to Tut Systems product documentation for a period of one (1) year from the date of shipment. Y2K Compliance The Company’s products, including separately sold software applications, are designed to be used prior...
  • Page 4 Tut Systems’ obligations regarding the use or application of its products shall be limited to those commitments to the purchaser set forth in its Standard Terms and Conditions of Sale for a deliv- ered product.

  • Page 5: Table Of Contents

    MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Table of Contents XL-12000S Product Overview Technical Specifications What’s in the Box Installation Panel Indicators and Connectors Front Panel Indicators Rear Panel Indicators and Connectors Power and Boot Up Sequence Configure the Modem Quick Start Detailed Procedures 7.2.1...
  • Page 6 MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figures Figure 4.1 RJ-45 10Base-T Straight-through Cable Figure 4.2 RJ-11 DSL Line Cable Figure 4.3 XL-12000S Installation with a Hub or Node Figure 5.1 XL-12000S Front Panel Figure 5.2 XL-12000S Rear Panel Figure 7.1 Serial Session/Version ID Screen Figure 7.2...
  • Page 7 Table 9.2 Specific Field Information for the Modem IP Packet Statistics Screen Table A.1 RJ-45 10Base-T Ethernet Connector on Rear of Modem Table A.2 RJ-11 DSL Line Connector on Rear of Modem Table D.1 Subnet Mask Tables XL-12000S TUT SYSTEMS...
  • Page 8 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE TUT SYSTEMS Back to Table of Contents...

  • Page 9: Xl-12000S Product Overview

    The modem is ideally suited for connecting LANs in a campus environment where LANs may be spread out over two miles. The XL-12000S units function as a pair; one as Master and the other as Slave. Once the modem is...

  • Page 10: Technical Specifications

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Technical Specifications Data Rate: Line Length: Ethernet Interface: Console Interface: Operating Voltage: Power Consumption: Operating Temperature: Storage Temperature: Relative Humidity: Compliance: Software: TUT SYSTEMS Back to Table of Contents 2.048 Mbps Up to 12,000 ft. on 24 AWG wire Up to 9,000 ft.

  • Page 11: What's In The Box

    • Wall Transformer w/Lightning Protection • XL-12000S Enterprise SNMP MIB Diskette You will also need a PC with a serial port and a serial cable to connect to the modem’s point of connection, which is an RS-232 Console port (DB-9 female).

  • Page 12: Installation

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Installation Remove the modem and wall transformer from the shipping car- ton. Remove the wall transformer from its box. Remove the plastic wrapper from around the modem. Remove the cable ties from each of the cables and place them side by side.

  • Page 13: Figure 4.2 Rj-11 Dsl Line Cable

    Connect the RJ-11 DSL Line cable from the DSL connector on the modem to the telephone jack as shown in Figure 4.3. Verify that you have a telephone line linking the two XL-12000S modems. Verify that this line has no bridge taps and is generally free of noise.

  • Page 14: Figure 4.3 Xl-12000S Installation With A Hub Or Node

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 4.3 XL-12000S Installation with a Hub or Node. Note: The Ethernet connection switch facilitates use with either a hub or node. TUT SYSTEMS Back to Table of Contents Switch in Normal (Hub) Position...

  • Page 15: Panel Indicators And Connectors

    DSL Link A flashing DSL link LED indicates that the modem is in the process of linking to the other modem. After the two XL-12000S units have secured the DSL link, the DSL Link LED glows a steady green. The LED is off when there is no link.

  • Page 16: Figure 5.1 Xl-12000S Front Panel

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 5.1 XL-12000S Front Panel POWER Blue XL-12000S HIGH SPEED LAN MODEM STATUS Flashing Red : Power up self-test or software download in progress. Off : Normal condition. Steady Red : Board failure.

  • Page 17: Rear Panel Indicators And Connectors

    If this occurs, see section 10.0, “Troubleshooting”. Console Port The console port (RS-232) connects to a PC with a VT-100 terminal or PC VT-100 emulator for opening a management session. Figure 5.2 XL-12000S Rear Panel 12VDC XL-12000S Power Connection...

  • Page 18: Power And Boot Up Sequence

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Power and Boot Up Sequence Verify that the LAN and DSL lines are connected according to the wiring diagram described in the “Installation” section (see Figure 4.1 or Figure 4.2). Plug the 120 VAC/12 VDC wall transformer (220VAC for inter- national use) into a wall outlet.

  • Page 19: Configure The Modem

    This section assumes you have directly connected (with a user-pro- vided straight-through serial cable), a PC to the XL-12000S console port via the serial port on the PC and are running either Windows NT 3.5 or greater, Windows 95, or Windows 98.
  • Page 20 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE From the Windows 95/Windows 98 screen select “Start.” Select “Programs” (or Open file Hypertrm.exe). Select “Accessories.” Select “HyperTerminal.” When the HyperTerminal icon appears, double-click on it. On the Connection Description icon, assign a name (e.g.

  • Page 21: Figure 7.1 Serial Session/Version Id Screen

    Serial Session/Version ID screen (Figure 7.1). m. To verify that you have correctly configured your PC’s serial port, press the <Enter> key and the XL-12000S Login Display screen (Figure 7.8) should appear. If your terminal remains blank, press <Ctrl-X> and enter again.

  • Page 22: Detailed Procedures

    If the “Quick Start” configuration is not sufficient for your use, this section provides details on how to configure the XL-12000S to meet your needs. First decide whether to use each of the XL-12000S units in the pair as a bridge or a router. There are four bridging/routing options.

  • Page 23: Figure 7.2 Bridging Example One (Basic Bridging)

    XL-12000S. 1. Basic Bridging In the bridge mode, the XL-12000S modem functions as a bridge connecting two parts of the same network. This selection allows the modem to pass both IP and non-IP packets. Examples of non-IP include Novell’s IPX...
  • Page 24 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE The configuration for the modems used in “Bridging Example One (Basic Bridging)”: LAN IP addresses are shown in Figure 7.2 although this option does not require you to enter new LAN IP addresses :...

  • Page 25: Figure 7.3 Bridging Example Two (Advanced Bridging)

    MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Bridging Example Two (Advanced Bridging): This example shows how two pairs of XL-12000S units connect two LANs in separate buildings. It shows the best use of the Spanning Tree Protocol (STP) by creating redundant loops in the network. This way if one link becomes unavailable, STP uses the other path to reach the destination.
  • Page 26 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE The configuration for the modems used in “Bridging Example Two (Advanced Bridging)”: For Modem 1: The “LAN IP address” field in the Modem Management screen will be set to 192.168.1.8 The “Subnet Mask” field in the Modem Management screen will be set to 255.255.255.0...

  • Page 27: Management Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE For Modem 3: The “LAN IP address” field in the Modem Management screen will be set to 192.168.1.1 The “Subnet Mask” field in the Modem Management screen will be set to 255.255.255.0 The “Default Gateway” field in the Modem Management screen will be set to a valid default gateway.

  • Page 28: Figure 7.4 Routing Example One

    Routing Example One (Using a Router and Bridge Combination): This example shows how to use one XL-12000S as a router and another as a bridge. Using this configuration saves IP addresses but increases traffic (i.e. broadcast packets from the bridged LAN) on the DSL line.

  • Page 29: (Using A Router And Bridge Combination)

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE The configuration used for the modems in “Routing Example One (Using a Router and Bridge Combination)”: For Modem 1 (Router): The “LAN IP address” field in the Modem Configuration screen will be set to 192.168.2.2 The LAN “Subnet Mask”...

  • Page 30: Figure 7.5 Routing Example Two

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Routing Example Two (Using a Router and Router Combination): This example shows two modems both with IP routing enabled. This configuration would be used to maximize the DSL bandwidth by eliminating unnecessary broadcast packet traffic on the DSL Link.

  • Page 31: Figure 7.6 Bridge Non-Ip

    LAN and DSL sides of the modem and networks designated in the modems static routing tables. Bridge non-IP example: This example shows how the XL-12000S routes IP packets. However, the Macintosh can still use the Apple printer located in another building because non-IP packets (AppleTalk) are bridged across the DSL line.
  • Page 32 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 7.6 Bridge Non-IP Apple Printer 192.168.2.2 (LAN) YSTEMS Modem 1 The configuration used for the modems in “Bridge Non-IP” example: For Modem 1: The “LAN IP address” field in the Modem Configuration screen will be set to 192.168.2.2...
  • Page 33 Note: No user pinging will work for testing purposes. The examples above were provided as a simple guide. The XL- 12000S can be used in many other combinations. Other helpful hints when using the XL-12000S as a router include: 7.0 CONFIGURE THE MODEM Mask Gateway 255.255.255.0...

  • Page 34: User Interface Keyboard Commands

    7.2.2 User Interface Keyboard Commands Now that a bridging/routing option has been chosen and a network plan has been completed, configure the pair of XL-12000S modems, as appropriate. First, review how to navigate through var- ious configuration screens using appropriate keyboard commands.

  • Page 35: Table 7.1 Keyboard Commands

    (*), the modem will reboot when <Enter> is pressed. XL-12000S Keyboard Commands <Ctrl- > followed by a letter, such as <Ctrl-X >, means you that press and hold the Control key while pressing the letter key.

  • Page 36: Procedures For Initial Configuration

    Once installed and configured, you can open a Telnet session from a PC attached to a network that is connected to one of the XL-12000S LAN ports to configure further changes. Only one console session, either console port or Telnet based, can be open at one time.
  • Page 37 Go to the Call Menu and select Connect. You will see Figure 7.7. To verify that you have correctly configured your serial port, press the <Enter> key and the XL-12000S Login Display screen should appear (Figure 7.8). If your terminal remains blank, press <Ctrl-X> and press Enter again.

  • Page 38: Login Display

    The message “Login time exceeded” will be displayed and you will have to press <Enter> to connect to the XL-12000S. If you were connected via a Telnet session you will have to reconnect.

  • Page 39: Figure 7.8 Login Display Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE point press <Enter> and proceed to the Main Menu to begin the ini- tial configuration of your modem. Failed Login Attempts Once your system is password protected and a user enters an incor- rect password, the user will not be able to access the system.

  • Page 40: Main Menu Display

    7.2.3.4 Modem Management This procedure describes the configuration that is required to initial- ize your XL-12000S. The purpose is to set the modem’s IP address, default gateway, and subnet mask. Prior to completing this proce- dure, you will only be able to access your modem using a serial con- sole connection.

  • Page 41: Figure 7.10 Modem Management Screen

    LAN interface to complete configuration. If you choose to continue from the console port, skip the Telnet set-up section which follows and, instead, press <Enter> to return to the Login Display screen. Select <Enter> to reach the Main Menu. 7.0 CONFIGURE THE MODEM XL-12000S TUT SYSTEMS...
  • Page 42 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Table 7.2 Specific field information for the Modem Management screen. FIELD Date/Time S/W Rev: H/W Rev.: MAC Address: Modem Name: Console Inactivity Time-out: Enable STP Enable SNMP: LAN IP Address: CAUTION: TUT SYSTEMS...

  • Page 43: Telnet Setup

    Access to the Modem Configuration screen by pressing “C” from the Main Menu. 7.0 CONFIGURE THE MODEM DESCRIPTION Enter the Subnet mask for IP address. Enter the IP address of the default gateway to which the modem LAN interface is connected. XL-12000S TUT SYSTEMS...

  • Page 44: Figure 7.11 Modem Configuration Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 7.11 Modem Configuration Screen The cursor is now blinking at entry for Master/Slave. The default setting is “S” for Slave. Designate only one modem in each pair to be the Master by entering “M” in this field.

  • Page 45: Table 7.3 Specific Field Information For The Modem Configuration Screen

    7.0 CONFIGURE THE MODEM DESCRIPTION Enter “M” for Master and “S” for Slave. Each pair of XL-12000S modems requires one unit to be Master and the other to be Slave. A name may be assigned to the modem. Up to 14 characters are allowed including underscore characters, but do not use spaces or these characters: \ / : ? “<...
  • Page 46 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE FIELD Subnet Mask: (LAN and DSL) DSL IP Address: (Right side of screen) Static Routing Table: Destination: Mask: Gateway: Hops: TUT SYSTEMS Back to Table of Contents DESCRIPTION A mask selected by the Network Administrator to provide a specific subset of address numbers.

  • Page 47: Password

    MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE 7.2.3.7 Password This section provides instructions to secure your XL-12000S modems with password protection. When shipped, there is no password for the class of users known as “Craft”. Figure 7.12 Password Change Screen 1. From the main menu press “P” to access the password screen.

  • Page 48: Table 7.4 Specific Field Information For The Password Change Screen

    Table 7.4 Specific field information for the Password Change Screen FIELD Old password: New password: Retype new password: Note: If you forgot your password, call Tut Systems Customer Support. TUT SYSTEMS Back to Table of Contents DESCRIPTION Type in the current password. (If the modem has no password, tab to the New Password field.)

  • Page 49: Advanced Modem Features

    You must first enable SNMP from the Modem Management screen (see Section 7.2.3.4) before proceeding to set up SNMP configura- tion parameters on the SNMP screen. The XL-12000S contains an SNMPv1 agent on the modem. Tut Systems provides a proprietary SNMP Management Information Base (MIB) on a diskette for use with the XL-12000S.

  • Page 50: Figure 8.1 Snmp Management Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE The lower part of the screen designates which SNMP NMS stations will receive traps. Navigate to this screen by selecting “N” from the Main Menu. Figure 8.1 SNMP Management Screen Table 8.1 Specific field information for the SNMP Management screen.

  • Page 51: Modem Dhcp Relay Agent

    Modem DHCP Relay Agent If Dynamic Host Configuration Protocol (DHCP) Relay is enabled, a DHCP session between a host connected to the XL-12000S modem and a server reachable by either the LAN or DSL ports of the XL-12000S may take place. This allows host parameters including DHCP assigned IP addresses to be transferred from the server to the host.

  • Page 52: Upgrade Software

    (www.tutsys.com) for release information. Information will be provided on how to obtain the DOS utility program. This section describes how to upgrade the software in the XL-12000S modem. From the main menu select “U” for the Upgrade Software screen.
  • Page 53 Run the DOS program “tutxlutil” from the diskette provided by Tut Systems on a PC connected to the LAN to which the modems are connected (refer to page 46, “Detailed Steps for Running Tutxlutil”).

  • Page 54: Figure 8.3 Upgrade Software Screen

    Enable Transfer to Image 2: Enables image transferring. Select “Y” to enable and “N” Detailed Steps for Running Tutxlutil Tutxlutil is the program used to send a new image to an XL-12000S. Software upgrades are available from Tut Systems. Tutxlutil must be run on a PC that has network connectivity to the modem.
  • Page 55 DOS command line as follows: tutxlutil /f upgrade-file [/u username] [/p password] target “Target” is the name or IP address of the target XL-12000S. If the username or password is not supplied, you will be prompted for it.

  • Page 56: Modem Statistics

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Modem Statistics The XL-12000S provides modem status and statistics. Note: Accessing these screens may effect modem performance during heavy use. To return to the main menu, press <Ctrl-X>. Modem Status This screen displays the expanded status detail for the selected modem.

  • Page 57: Table 9.1 Specific Field Information For The Modem Status Screen

    Modem DSL: Number of bytes transmitted/received on the DSL line. Number of packets transmitted/received on the DSL line. Number of transmitted/received DSL packets dropped, typically due to a lack of resources. Number of transmitted/received DSL packets with errors. XL-12000S TUT SYSTEMS...

  • Page 58: Modem Ip Packet Statistics

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Modem IP Packet Statistics The Modem IP Packet Statistics screen provides information about IP packets processed by the modem. Select “K” from the Main Menu. Figure 9.2 Modem IP Packet Statistics Screen Table 9.2 Specific field information for the Modem IP Packet Statistics screen.
  • Page 59 (e.g., for lack of buffer space). The number of IP packets that were discarded because the modem could find no route to transmit them to their destination. XL-12000S TUT SYSTEMS...

  • Page 60: Troubleshooting

    This section is designed to assist in troubleshooting the XL-12000S. It also describes how to reach Technical Support at Tut Systems. Tut Systems takes pride in its products and would be more than happy to help with problems associated with the XL-12000S.
  • Page 61 Ethernet connection switch on the back of the modem is set to “Crossed”. Verify the link light is illuminated on the PC. If the 10Base-T cable being used was not the cable provided, make sure it adheres to the pinout assignments for 10Base-T (see Appendix A). 10.0 TROUBLESHOOTING XL-12000S TUT SYSTEMS...
  • Page 62 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Cannot Telnet to the modem. If an IP Address is assigned to one or both ports of the modem and Telnet access is not available this can be caused by three factors: First, check to be sure that the last serial console port session has been closed out by pressing <Ctrl-X>...
  • Page 63 MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE SNMP cannot locate the modem. If your NMS is unable to find the XL-12000S modem during auto-discovery, try the following steps: Try to ping the modem interface to determine if there is a network connection to the modem. If ping is still not work- ing, double-check your network configuration (also see #9 below).
  • Page 64 The file specified with /f does not appear to be an XL-12000S upgrade file. Upgrade file is corrupted. The file appears to be an XL-12000S upgrade file, but is damaged. Filename: reason. The upgrade file cannot be found, or is not accessible, or other file system error.

  • Page 65: Technical Assistance And Customer Support

    (www.tutsys.com) in the Service & Support section. If you are unable to resolve any question or believe you have defective equip- ment, contact Tut Systems Monday - Friday 5:00am to 8:00pm (Pacific Time) at (800) 998-4888. If you do not have access to 800 service, please call (925) 682-6510, press “0”...

  • Page 66: Appendix A: Pinout Assignments

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Appendix A: Pinout Assignments Table A.1. RJ-45 10Base-T Ethernet Connector on Rear of Modem Pin # Mnemonic Note: Assumes the switch on the rear of the unit is in the “Normal” position. Table A.2. RJ-11 DSL Line Connector on Rear of Modem...

  • Page 67: Appendix B: Reference Screen Shots

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Appendix B: Reference Screen Shots Figures 7.1 and 7.7 Serial Session/Version ID Screen (Pages 13 and 30 ) Figure 7.8 Login Display Screen (Page 31 ) APPENDIX B: REFERENCE SCREEN SHOTS TUT SYSTEMS...
  • Page 68 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 7.9 Main Menu Screen (Page 32 ) Figure 7.10 Modem Management Screen (Page 33) TUT SYSTEMS Back to Table of Contents APPENDIX B: REFERENCE SCREEN SHOTS...
  • Page 69 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 7.11 Modem Configuration Screen (Page 36) Figure 7.12 Password Change Screen (Page 39) APPENDIX B: REFERENCE SCREEN SHOTS TUT SYSTEMS...
  • Page 70 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 8.1 SNMP Management Screen (Page 42) Figure 8.2 DHCP Relay Agent Screen (Page 43) TUT SYSTEMS Back to Table of Contents APPENDIX B: REFERENCE SCREEN SHOTS...

  • Page 71: Figure 9.1 Modem Status Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 8.3 Upgrade Software Screen (Page 46) Figure 9.1 Modem Status Screen (Page 48) APPENDIX B: REFERENCE SCREEN SHOTS TUT SYSTEMS...

  • Page 72: Figure 9.2 Modem Ip Packet Statistics Screen

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Figure 9.2 Modem IP Packet Statistics Screen (Page 50) TUT SYSTEMS APPENDIX B: REFERENCE SCREEN SHOTS Back to Table of Contents...

  • Page 73: Appendix C: Measuring Line Length

    For example, 600 ohms would indicate a cable length of about 12,000 feet: 600 x 20 = 12,000 (+/-). This formula works for 24-gauge phone wire. APPENDIX C: MEASURE LINE LENGTH Ohmmeter XL-12000S Short Pair Together Punchdown Block TUT SYSTEMS...

  • Page 74: Appendix D: Subnet Mask Table

    XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Appendix D: Subnet Mask Table Below is a subnet mask table, which provides the following information: Subnet mask expressed as a dotted decimal. The number of total subnets along with the number of total hosts per subnet.
  • Page 75 .89-.94 .97-.102 .105-.110 .113-.118 .121-.126 .129-.126 .137-.142 .145-.150 .153-.158 .161-.166 .169-.174 .177-.182 .185-.190 .193-.198 .201-.206 .209-.214 .217-.222 .225-.230 XL-12000S Subnet Hosts: 14 .111 .127 .143 .159 .175 .191 .207 .239 .255 Subnet Hosts: 6 .103 .111 .119 .127 .127 .143 .151...
  • Page 76 XL-12000S MANAGED, HIGH-SPEED NETWORK MODEM USER GUIDE Subnet Mask: 255.255.255.248 Network Address .232 .240 .248 Subnet Mask: 255.255.255.252 Network IP Address Address Range .1-.2 .5-.6 .9-.10 .13-.14 .17-.18 .21-.22 .25-.26 .29-.30 .33-.34 .37-.38 .41-.42 .45-46 .49-.50 .53-.54 .57-.58 .61-.62 .65-.66 .69-.70...

  • Page 78: Tut Systems

    YSTEMS User Guide for the Managed, High-Speed Network Modem XL-12000S 2495 Estand Way, Pleasant Hill, CA 94523 800.998.4888 or 925.682.6510 Back to Table of Contents...

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