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PairGain 500L User Manual

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Megabit Modem
MEGABIT MODEM
Model 500L
User Manual

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  • Page 1 Megabit Modem MEGABIT MODEM Model 500L User Manual...
  • Page 2 PairGain Technologies, Inc. Other product names mentioned in this practice are used for identification purposes only and may be trademarks or registered trademarks of their respective companies. PRELIMINARY Megabit Modem 500L Installation Manual...
  • Page 3 • monitoring and troubleshooting the modem Chapter 9 provides a reference for technology implemented in the Megabit Modem 500L. The chapter covers information about ATM over ADSL transmission, PPP over ATM operating mode, and SNMP management. IP addresses used in this manual are for example only. You will acquire your own addresses from the service provider and your information services coordinator to configure the Megabit Modem 500L.
  • Page 4 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. This product meets all safety requirements per UL-1950 standard. ORRECTIONS TO THIS Appendix B on page 69 PRELIMINARY ANUAL for information Megabit Modem 500L Installation Manual...

  • Page 5: Table Of Contents

    Connecting Phone Service...16 Chapter 4: Setting Up For Configuration _____________________________________ 17 Setting Up the PC to Request an IP Address...18 Configuring a Web Browser... 19 Accessing Megabit Modem 500L Web Pages... 20 Megabit Modem 500L Installation Manual Table of Contents...
  • Page 6 Activating Sessions ...43 De-Activating Sessions ...44 Chapter 7: Viewing Statistics________________________________________________45 Viewing ADSL Status ...45 Viewing Network Statistics ...48 LAN Statistics ...48 WAN Statistics ...50 Chapter 8: Maintenance and Troubleshooting _________________________________51 Maintenance...51 Updating Software...51 Troubleshooting ...53 PRELIMINARY Megabit Modem 500L Installation Manual...
  • Page 7 PPP ... 56 PAP/CHAP Authentication Security... 57 NAT... 57 Management Protocols ...58 SNMP ...58 Megabit Modem 500L SNMP Agent... 58 MIB and Trap Support ...59 DNS Resolution... 59 TFTP Server ... 59 Appendix A: Specifications and Data _________________________________________ 61 WAN Interface Specifications...61 Encapsulation ...62...
  • Page 8 Appendix B: Technical Assistance and Warranty _______________________________69 Technical Support ...69 World-Wide Web...69 Limited Warranty...70 Advance Replacement ...71 Billing ...71 Returning a Product ...71 Appendix C: Configuration Worksheets _______________________________________73 Configuration Information ...73 Appendix D: Glossary ______________________________________________________75 Appendix E: Index _________________________________________________________81 viii PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 9: Chapter 1: About The Product

    The Megabit Modem 500L is easy to install and configure. To install the modem, you: • connect a telephone cable from the modem to a wall phone jack for ADSL service •...

  • Page 10: Features

    InstaConnect™ to sense phone activity and optimizes performance On a Megabit Modem 500L, you can configure three PPP over ATM sessions. However, you can enable only one of the sessions at a time. You assign the user to the session that is active.

  • Page 11: Applications

    PRELIMINARY PPLICATIONS The Megabit Modem 500L provides a practical solution for many networking applications. The following illustrations show some of the many possible solutions when using the Megabit Modem 500L. Connection to a Remote Office You can work at home or at a remote office and have a connection to a corporate office network.

  • Page 12: Internet Access For Users At Home

    Applications PRELIMINARY Internet Access for Users at Home You can connect an at home user to the Internet. Megabit Modem 500L Installation Manual...

  • Page 13: Chapter 2: What You Need To Start

    Need from Your Service Provider” on page ERIFY ACKAGE As you unpack the Megabit Modem 500L, visually inspect the container for signs of damage. If the equipment was damaged in transit, report the damage to the transportation company and to the sales representative.

  • Page 14: Requirements For Your System

    TCP/IP network protocol stack (see your documentation for your operating system) • Web browser installed such as Netscape • Ethernet hub (optional) EQUIREMENTS To install the Megabit Modem 500L, you must: • select a location to install the modems as described in the section Installation” on this page •...
  • Page 15 Place the modems on a flat surface, such as on a table or in a rack. L IN Minimum 1-inch clearance Minimum 1-inch clearance Megabit Modem 500L Installation Manual L IN L IN Chapter 2: What You Need To Start...
  • Page 16 LEDs, and cabling. Mount the modems on a wall using the hardware included in the installation kit. 3" to 4" Min. 3" Megabit Modem 500L Installation Manual PRELIMINARY 4.85" 12" 4.85"...

  • Page 17: Phone Service

    HOOSE A OWER The Megabit Modem 500L is available with a variety of power supplies and power cords. When you order your modem, choose one of the following as the last number in the product part number (150-2120-7x) for your order to indicate which power option you need: •...
  • Page 18 Choose a Power Cable PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 19: Chapter 3: Installing The Modem

    NSTALLING THE The Megabit Modem 500L is easy to install by: • attaching adhesive-backed feet • setting the MDI/MDI-X switch • connecting a cable from the modem to a PC or an Ethernet hub for LAN service • connecting a phone cord from the modem to a wall phone jack for DMT ADSL Internet or other WAN application service •...

  • Page 20: Attaching The Feet

    Attaching the Feet TTACHING THE Attach each of the four adhesive-backed rubber feet to a footprint recess on the bottom of the modem. Rubber feet PRELIMINARY Recess Megabit Modem 500L Installation Manual...

  • Page 21: Setting The Mdi/Mdi-X Switch

    MDI/MDI-X S ETTING THE Using the MDI/MDI-X switch, the Megabit Modem 500L can communicate with a device on the LAN that is either MDI or MDI-X without having to change the cable (a straight-through cable is supplied with the installation kit).

  • Page 22: Installing Cabling

    Wall jack with DMT ADSL service To power outlet If you need pinouts for the ADSL and 10/100BASE-T connectors, see page Megabit Modem 500L 10/100 BASE-T port I - X Megabit Modem 500L Installation Manual PRELIMINARY ADSL port Power connector “Connector Pinouts” on...

  • Page 23: Setting Up Adsl Service

    SYNC On green Flashing green Flashing green Flashing green On green On yellow Megabit Modem 500L Installation Manual ERVICE “Checking LED Indications.” NDICATIONS Description Modem has power. Modem does not have power. A PC, hub, or other network device is connected to the modem 10/100BASE-T interface.

  • Page 24: Connecting Phone Service

    If you get phone service, all you need is an RJ-11 phone jack to connect your phone. This lite-rate modem provides splitterless capability, which allows reception of phone service without special splitters or filters; simply connect your phone. M E G A B I T MODEM 500L LINK SYNC...

  • Page 25: Chapter 4: Setting Up For Configuration

    ETTING You set up a PC and a Web browser to configure the Megabit Modem 500L. This chapter provides the set up procedures, then shows you how to access and navigate the Megabit Modem 500L Web pages. The configuration process flow is shown below.

  • Page 26: Setting Up The Pc To Request An Ip Address

    ETTING P THE You configure the Megabit Modem 500L using a PC connected to the 10/100BASE-T port. The PC must be set to obtain an IP address automatically from the modem. The modem, as a Dynamic Host Configuration Protocol (DHCP) server, provides an IP address to this PC dynamically.

  • Page 27: Configuring A Web Browser

    PRELIMINARY ONFIGURING A You access the Megabit Modem 500L Web pages through a Web browser (see Web browser versions supported). The Web browser must have the Proxies disabled. Change the Proxie for your Web browser. Open a Web browser. (Netscape Communicator is shown in the example below.)

  • Page 28: Accessing Megabit Modem 500L Web Pages

    RFC 1918. If you change the Ethernet IP address through the management port, you will enter the new IP address in the http://192.168.0.1./index.htm The Megabit Modem 500L Web page displays with two primary frames: • Frame A contains the navigation menus. Use the menus to select the configuration or management page you want to view in Frame B.

  • Page 29: Saving The Configuration

    See the following sections to: • save configuration changes to NVRAM • reset the modem to activate the configuration • reset the modem to restore the factory default values Megabit Modem 500L Installation Manual Submit page 39): page 39): (page...

  • Page 30: Saving The Configuration To Nvram

    System Main Menu Click Update Configuration Click to save to NVRAM. Proceed Reset the modem to effect configuration using the procedure on to access the System Menu on the System Menu Megabit Modem 500L Installation Manual PRELIMINARY page...

  • Page 31: Resetting The Modem To Factory Defaults

    PRELIMINARY Resetting the Modem to Factory Defaults You can return Megabit Modem 500L parameters to the factory default values. This provides a known starting point if you are troubleshooting the system or simply want to reconfigure parameters. The factory default values are listed on...
  • Page 32 Secondary DNS Enabled Gateway Dynamic Static NAT Entries (private, proxy, and remote) 0.0.0.0 IP Addresses Ports blank field Protocol 0.0.0.0 Megabit Modem 500L Installation Manual PRELIMINARY Default Value Not enabled 0.0.0.0 255.255.255.0 public public private 192.168.0.1 255.255.255.0 Enabled 192.168.0.2...

  • Page 33: Resetting The Modem

    Click on the System Main Menu Click Reset Unit on the Click to reset the modem. Proceed Megabit Modem 500L Installation Manual to access the System Menu. System Menu Chapter 4: Setting Up For Configuration page 21...
  • Page 34 Saving the Configuration PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 35: Chapter 5: Configuring System Settings

    ONFIGURING Before configuring sessions with a service provider, set up system parameters for the Megabit Modem 500L. The following sections show the Web pages you use to configure the: • TFTP server IP address and network mask for performing functions such as software upgrades on •...

  • Page 36: Defining Tftp Parameters

    System Menu for the device that will be the TFTP server. (subnet mask) for the TFTP server. where the download files reside. You can enter a PRELIMINARY page 51 for procedures Megabit Modem 500L Installation Manual ‹ Œ ...

  • Page 37: Defining Snmp Parameters

     Enter the Trap Server Net Mask be sent. Click Home to return to the Main Menu Megabit Modem 500L Installation Manual ARAMETERS page 58 for more information about managing the modem Main Menu on the System Menu if you want the modem to send traps to a server on for the server to which the traps will be sent.
  • Page 38 29 Trap Community String which is an authentication string Get Community String which is an authentication string which is an authentication string Set Community String PRELIMINARY and are case sensitive. If you Megabit Modem 500L Installation Manual...

  • Page 39: Setting The Time And Date

    6 seconds past 3 p.m.). Click Submit to accept the changes. Click Home to return to the Main Menu Megabit Modem 500L Installation Manual Main Menu on the System Menu (for example, 03/10/1999 is June 10, dd/mm/yy (for example, 15:29:55 is 29...
  • Page 40 Setting the Time and Date PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 41: Chapter 6: Configuring Sessions

    ESSIONS You configure sessions between the modem and a service provider using the PairGain pages. The Megabit Modem 500L supports one PPP over ATM session at a time. EasySession There are many options from which to select when configuring sessions. See “Selecting a...

  • Page 42: Selecting A Configuration Model

    Selecting a Configuration Model ELECTING A ONFIGURATION There are many configuration options for the Megabit Modem 500L from which you can select. Select the following options are recommended for enhanced performance: • DHCP not selected to allow the user to manually enter an IP address to the PC •...

  • Page 43: Configuring Ppp Over Atm Sessions

    ATM sessions, select the sessions that you want to activate (see Click EasySession on the Click Edit next to any that port. Megabit Modem 500L Installation Manual ATM S OVER Main Menu to access the EasySession Port 1-3 to display the...

  • Page 44: Configuring The Wan

    Configuring PPP over ATM Sessions Configuring the WAN Configure the WAN parameters for PPP over ATM sessions between the Megabit Modem 500L and the service provider. Do the following to configure the WAN: Select a name for the service that is descriptive. The service name is an identifier you use for the session and is not used for anything else.
  • Page 45 Click Delete to remove a configuration that is displayed on the current Web page. Megabit Modem 500L Installation Manual name provided by the service provider. The name is used for page 73 for the CHAP name you recorded Address Assignment ...
  • Page 46 User’s IP Address for the configured session. Step  (see figure above) then click Done PRELIMINARY ‹ page Œ Œ   . (When you Delete Service Name User’s IP to return to the EasySession page. Megabit Modem 500L Installation Manual...

  • Page 47: Configuring The Lan

    IP addresses to devices on the LAN. If you enable DHCP, ensure that all devices on the LAN have the TCP/IP stack set to automatically (see page   Megabit Modem 500L Installation Manual Main Menu to access the EasySession page, click next to Edit page.
  • Page 48 Internet traffic “Defining Static NAT Entries” on page 41 PRELIMINARY for the first device on the LAN . The primary Domain . The DNS device page 59 for more “Saving the Megabit Modem 500L Installation Manual...

  • Page 49: Defining Static Nat Entries

    (UDP or TCP) you select for this Port NAT entry Your system administrator will provide the protocol port number. Megabit Modem 500L Installation Manual , you can map inbound traffic from a Static NAT Table for a user on the LAN that is mapped to the Œ...

  • Page 50: Saving The Configuration

    32 static NAT entries. , highlight the entry in field PPP over ATM LAN Configuration PRELIMINARY shown above). Static NAT Entry for more information Private Proxy Remote  then click Delete page. to save the WAN and LAN Megabit Modem 500L Installation Manual...

  • Page 51: Activating And De-Activating Sessions

    Click to select sessions Click Enable at the bottom of the Megabit Modem 500L Installation Manual EACTIVATING means the connection is active. means the modem is negotiating the link with the Set-Up EasySession page to activate the selected sessions.

  • Page 52: Deactivating Sessions

    EasySession to disable. Up, Down, and Set-Up are read-only fields that provide status for the session. Click to select sessions Click at the bottom of the Disable page to disable the selected sessions. EasySession Megabit Modem 500L Installation Manual PRELIMINARY...

  • Page 53: Chapter 7: Viewing Statistics

    LAN statistics (“Viewing Network Statistics” on page ADSL S IEWING The Megabit Modem 500L displays the status of the ADSL link. From the ADSL to display the ADSL Menu will bring down the ADSL loop between the modem and the service provider.
  • Page 54 Viewing ADSL Status Description of the ADSL Statistics Click Home to return ‹ to Main Menu fields are on page Megabit Modem 500L Installation Manual PRELIMINARY Œ  Ž   ‘ ’ “ ”...
  • Page 55 (total unavailable seconds). ’ Line attenuation in decibels from -10 to +80 db. “ The upstream and downstream data transmission rates. ” Click to reset all statistics. Clear Megabit Modem 500L Installation Manual Chapter 7: Viewing Statistics...

  • Page 56: Viewing Network Statistics

    Viewing Network Statistics IEWING ETWORK The Megabit Modem 500L displays the status for the LAN and WAN links. From the , select Main Menu Statistics LAN Statistics The Megabit Modem 500L displays status for the LAN. Click Statistics Menu Click Home...
  • Page 57  Total number packets received and transmitted. ‘ Total number of packets dropped and the number of collisions of devices on segment. ’ Clicking resets all statistics. Clear Megabit Modem 500L Installation Manual Chapter 7: Viewing Statistics...

  • Page 58: Wan Statistics

    Viewing Network Statistics WAN Statistics The Megabit Modem 500L displays status for the WAN. Click Menu . The values in the statistics fields are a total for all VCs configured. Click Home to return to Main Menu View the following WAN information: ‹...

  • Page 59: Chapter 8: Maintenance And Troubleshooting

    TFTP server. You set the IP address for the TFTP server and a directory path to the software when you configure system parameters in To update the Megabit Modem 500L software, ensure these files are available to download from a TFTP server. You can download any of these files separately: •...
  • Page 60 System Menu. on the then click System Menu on the then click System Menu on the System Menu then click PRELIMINARY The modem software Proceed. . The modem software Proceed Proceed . The modem software Megabit Modem 500L Installation Manual...

  • Page 61: Troubleshooting

    LEDs are not on WAN ADSL port. If, however, the SYNC LED is not on, contact your service provider. Megabit Modem 500L Installation Manual Chapter 8: Maintenance and Troubleshooting “Setting Up the PC to Request an IP Address” on page in this table.
  • Page 62 Troubleshooting PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 63: Chapter 9: Technical Reference

    DMT ADSL provides rate-adaptive transmission that allows the service provider to deliver you the best transmission rate determined by distance and line conditions. Megabit Modem 500L Installation Manual EFERENCE ETWORK...

  • Page 64: Atm

    The VPI identifies the Virtual Path (VP) that transports ATM cells in a Virtual Channel (VC). The Megabit Modem 500L has three VCs in the VP, which provide the three sessions for the Internet or for other WAN applications. You can, however, activate only one session at a time.

  • Page 65: Pap/Chap Authentication Security

    UDP port for the UDP connection. The user should set up a static NAT entry for the UDP connection for RealPlayer to work properly through NAT. UDP is connectionless where TCP is connection-oriented protocol. Both UDP and TCP use protocol port numbers to distinguish services and sessions. Megabit Modem 500L Installation Manual Chapter 9: Technical Reference...

  • Page 66: Management Protocols

    Megabit Modem 500L SNMP Agent The Megabit Modem 500L provides an SNMP agent that supports several MIBs for management of the system. The SNMP agent can process datagrams received from the Ethernet interface. The agent and the protocol stack complies with the following Request for Comments (RFCs): •...

  • Page 67: Mib And Trap Support

    The MIB defines the kind of information an NMS can retrieve from a managed device, and the settings an NMS can control in a managed device. Megabit Modem 500L supports the following MIBs: • RFC 1213: "Management Information Base for Network Management of TCP/IP-Based Internet: MIB-II"...
  • Page 68 TFTP Server PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 69: Appendix A: Specifications And Data

    Signal Format Connector ATM (Asynchronous Transfer Mode) ATM Adaptation Layer ATM Layer Cell Format Virtual Circuit type Maximum Virtual Circuits Megabit Modem 500L Installation Manual PECIFICATIONS 1.5 Mbps 512 kbps 64 kbps 32 kbps increments DMT (Discrete Multitone) line code RJ-11 AAL5 (ITU I.363.5) - Supports encapsulation and...

  • Page 70: Encapsulation

    1.2 inches (3.1 cm) Width 6.9 inches (17.5 cm) Depth 9.2 inches (23.4 cm) Weight 2.2 pounds (1.0 kg) OWER UPPLY Voltage 100 to 240 Vac Frequency 50 to 60 Hz Current 0.3 Amps PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 71: Environmental

    Emissions and Immunity Compliance Operations and Safety Compliances Megabit Modem 500L Installation Manual 32 to 122 °F (0 to 50°C) up to 95% non-condensing between -200 and 13,000 feet (-61 to 3.962 meters) • FCC Part 15, Subpart B, Class B •...

  • Page 72: Rfcs

    • RFC 1661 for PPP LCP • RFC 1994 for PAP/CHAP Authentication • RFC 1631 IP Network Address Translator (for NAPT) • RFC 1350 for TFTP client • TR-006 ADSL Forum ADSL Line MIB • T1.413 section 8.2 PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 73: Rate Vs. Reach

    0.010 Payload Rate vs Reach on 26 AWG (0.5 mm) with 4dB Margin in Low Noise Environment 10.000 1.000 0.100 0.010 Megabit Modem 500L Installation Manual Appendix A: Specifications and Data Reach in Kilofeet Downstream Upstream Reach in Kilofeet Downstream...

  • Page 74: Hardware

    Hardware ARDWARE The following provides additional information about Megabit Modem 500L such as the installation kit and modem connectors pinouts. Installation Kit The following items are included in the installation kit and are used to install the Megabit Modem 500L as shown in...

  • Page 75: Connector Pinouts

    The following table shows the signal on each pin when the switch is in either the MDI or the MDI-X position for the 10/100BASE-T port. The connector for this interface is an RJ-45. page 14 for the location of this port. Megabit Modem 500L Installation Manual page 14 for the location of this port. Signal...
  • Page 76 Hardware PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 77: Appendix B: Technical Assistance And Warranty

    7:30 AM and 5:30 PM, Pacific Time, excluding holidays. At all other times, an on-duty Customer Service Engineer returns technical assistance calls within 30 minutes. ORLD PairGain product, company, and application information can be found at http://www.pairgain.com using any Web browser. Megabit Modem 500L Installation Manual SSISTANCE ARRANTY...

  • Page 78: Limited Warranty

    PAIRGAIN DOES NOT WARRANT THAT SOFTWARE WILL BE FREE FROM BUGS OR THAT ITS USE WILL BE UNINTERRUPTED OR REGARDING THE USE, OR THE RESULTS OF THE USE, OF THE SOFTWARE IN TERMS OF CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 79: Advance Replacement

    Equipment returned for repair or replacement is subject to a $70 per unit no trouble found (NTF) charge in the event that diagnostic evaluation reveals no evidence of functional failure or physical defects. Megabit Modem 500L Installation Manual Appendix B: Technical Assistance and Warranty...

  • Page 80: Returning A Product

    Write PairGain’s address and the Return Material Authorization Number you received from Customer Service clearly on the outside of the carton: PairGain Technologies, Inc. 14352 Franklin Ave. Tustin, CA 92780-7013 Attention: CRF RMA (Number) RODUCT (714) 730-2800 (714) 730-2961 PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 81: Appendix C: Configuration Worksheets

    Login Name and Login Password (specified for each session) CHAP Host Name Worksheet From Service Provider If using CHAP for authentication, enter CHAP host name for each session Megabit Modem 500L Installation Manual ORKSHEETS NFORMATION Configuration Information Chapter 4 through...

  • Page 82: Wan Configuration Worksheet

    3 __________________________ Login Information Login Name Fixed IP Addresses 1___________ ___________ 2___________ ___________ 3___________ ___________ PRELIMINARY 1 __________________________ 2 __________________________ 3 __________________________ Login Password 1 ____________________________ 2 ____________________________ 3 ____________________________ ___________ ___________ ___________ ___________ ___________ ___________ Megabit Modem 500L Installation Manual...

  • Page 83: Appendix D: Glossary

    Quality of Service class defined by the ATM Forum for ATM networks. cell A fixed-length packet. Also, the unit of data transmission used in ATM. Each ATM cell contains a fixed-size frame (53 bytes) consisting of a five-byte header and a 48-byte payload. Megabit Modem 500L Installation Manual LOSSARY...
  • Page 84 Cyclic Redundancy Check is a method used to verify the accuracy of data transmission. Discrete Multi-Tone is a modulation coding for an ADSL line. DMT is the modulation technology used for the Megabit Modem 500L ADSL. downstream Communications from a service provider to a user.
  • Page 85 Quality of Service is the configured traffic parameters that are assigned to a virtual circuit, which specifies how quickly and how accurately data is transferred from the sender to the receiver. Megabit Modem 500L Installation Manual Appendix D: Glossary...
  • Page 86 The time during which two computers maintain a communication connection. An example is a connection configured between the Megabit Modem 500L and the service provider. SNMP Simple Network Management Protocol is a protocol that specifies how to send information between a NMS and managed devices on a network.
  • Page 87 VPs are defined by a unique VPI value. Wide Area Network is a network consisting of nodes located across a large geographical area. Also, the connection between a service provider and Megabit 700F Modem. Megabit Modem 500L Installation Manual Appendix D: Glossary...
  • Page 88 PRELIMINARY Megabit Modem 500L Installation Manual...

  • Page 89: Appendix E: Index

    67 description 55 DMT 55 loop Reset 45 service 15 specifications 61 viewing status 45 Megabit Modem 500L Installation Manual NDEX asymmetric digital subscriber line See ADSL asynchronous transfer mode See ATM adaptation layer 61 cell format 61...
  • Page 90 ATM 56 DMT 55 downstream 76 MAC 76 modem 1 NAPT 57 NAT 77 PAP/CHAP 57 power cable 9 subnet mask 78 TFTP 78 upstream 79 DMT ADSL 55 DMT description 55 DNS resolution 59 Megabit Modem 500L Installation Manual PRELIMINARY...
  • Page 91 7 installation cable types 11 introduction 1 kit 66 phone service 9 requirements 5 Megabit Modem 500L Installation Manual installing the modem 11 attaching feet 12 cabling 14 flat-surface mounting 7 setting MDI/MDI-X switch 13 wall mounting 8...
  • Page 92 NAT table 40 SNMP 29 TFTP 28 user assignment 38 PC, configuring 18 phone service connecting 16 installing 9 requirements 9 pinouts 67 point-to-point protocol See PPP and PPP over ATM power cable 9 PPP 2 Megabit Modem 500L Installation Manual PRELIMINARY...
  • Page 93 9 power cable 9 service provider 9 site 6 system 6 reset unit 25 resetting modem 25 RFCs 58 Megabit Modem 500L Installation Manual saving a configuration 21 service ADSL 15 service provider configuration 9 requirements 9 sessions...
  • Page 94 5 update configuration 22 upgrading software 51 upstream description 79 transmission rate 1 user assignments 37 addresses 56 configuration worksheet 74 viewing ADSL status 45 LAN statistics 48 network statistics 48 WAN statistics 50 Megabit Modem 500L Installation Manual PRELIMINARY...
  • Page 95 56 configuration worksheet 74 wall mounting 8 configuring PPP over ATM 36 interface specifications 61 viewing statistics 50 warranty 69 web browser configuration 19 worksheets 73 login 74 VCI 74 VPI 74 www.pairgain.com 69 Megabit Modem 500L Installation Manual EIndex...
  • Page 96 PRELIMINARY Megabit Modem 500L Installation Manual...
  • Page 98 Corporate Office 14402 Franklin Avenue Tustin, CA 92780 Tel: (714) 832-9922 Fax: (714) 832-9924 For Technical Assistance: (800) 638-0031 ISO 9001 DNV Certification, Inc. Certificated Firm 425-020-150-01P...

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