JDS Uniphase HST-3000 User Manual
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JDS Uniphase HST-3000 User Manual

Xdsl testing using the broadcom sim
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HST-3000
xDSL Testing using the Broadcom SIM
User's Guide

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  • Page 1 HST-3000 xDSL Testing using the Broadcom SIM User’s Guide...
  • Page 3 HST-3000 xDSL Testing using the Broadcom SIM User’s Guide Communications Test and Measurement Solutions One Milestone Center Court Germantown, Maryland 20876-7100 USA Toll Free 1-855-ASK-JDSU Tel +1-240-404-2999 Fax +1-240-404-2195 www.jdsu.com...
  • Page 4 Copyright release Reproduction and distribution of this guide is authorized for Government purposes only. Trademarks JDS Uniphase, JDSU, HST-3000, and HST-3000C are trade- marks or registered trademarks of JDS Uniphase Corporation in the United States and/or other countries.
  • Page 5 Ordering This guide is a product of JDSU’s Technical Information information Development Department, issued as part of the HST-3000. The catalog number for a printed guide is ML-21148605. The catalog number for a USB stick containing the manual in elec- tronic form is ML-060301.
  • Page 6 JDSU will ensure that all waste equipment and batteries returned are reused, recycled, or disposed of in an environmentally friendly manner, and in compliance with all applicable national and international waste legislation. HST-3000 xDSL Testing User’s Guide...
  • Page 7 Instructions for returning waste equipment and batteries to JDSU can be found in the Environmental section of JDSU’s web site at www.jdsu.com. If you have questions concerning disposal of your equipment or batteries, contact JDSU’s WEEE Program Management team at WEEE.EMEA@jdsu.com. HST-3000 xDSL Testing User’s Guide...
  • Page 8 HST-3000 xDSL Testing User’s Guide...

  • Page 9: Table Of Contents

    HST-3000 xDSL Testing User’s Guide ....xiii HST-3000 Base Unit User’s Guide ....xiii Safety and compliance information .
  • Page 10 Testing line quality ......47 Performing a ping test ......48 viii HST-3000 xDSL Testing User’s Guide...
  • Page 11 ATM OAM results ......75 JDSU QoS results ......77 HST-3000 xDSL Testing User’s Guide...
  • Page 12 General test problems ..... . 84 VDSL test problems......84 Glossary Index HST-3000 xDSL Testing User’s Guide...
  • Page 13 “Purpose and scope” on page xii – “Assumptions” on page xii – “Terminology” on page xii – “HST-3000 xDSL Testing User’s Guide” on page xiii – “HST-3000 Base Unit User’s Guide” on page xiii – “Safety and compliance information” on page xiii –...

  • Page 14: About This Guide

    Broadcom xDSL testing option. Assumptions This guide is intended for novice, intermediate, and experi- enced users who want to use the HST-3000 effectively and efficiently. We are assuming that you have basic computer experience and are familiar with basic telecommunication concepts, terminology, and safety.

  • Page 15: Hst-3000 Xdsl Testing User's Guide

    About This Guide HST-3000 xDSL Testing User’s Guide HST-3000 xDSL Testing User’s Guide The HST-3000 xDSL Testing User’s Guide is an application- oriented user’s guide containing information about using the HST-3000 DSL testing option with the Broadcom SIM to perform test operations on VDSL and ADSL services. This...

  • Page 16: Technical Assistance

    JDSU’s Technical Assistance Center (TAC) for customer support. Before contacting TAC, you should have the serial numbers for your HST-3000 unit. (see “Locating the serial number” in the HST-3000 Base Unit User’s Guide). Table 1 lists contact information for technical assistance.

  • Page 17: Conventions

    A plus sign + indicates simul- Press Ctrl+s taneous keystrokes. A comma indicates consecu- Press Alt+f,s tive key strokes. A slanted bracket indicates On the menu bar, click choosing a submenu from Start > Program Files. menu. HST-3000 xDSL Testing User’s Guide...
  • Page 18 WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. HST-3000 xDSL Testing User’s Guide...

  • Page 19: Getting Started

    Getting Started Chapter 1 This chapter provides a general description of the HST-3000’s optional xDSL testing features. Topics discussed in this chapter include the following: – “About VDSL testing” on page 2 – “Quick tour” on page 3 – “SIM options” on page 6 –...

  • Page 20: About Vdsl Testing

    Chapter 1 Getting Started About VDSL testing About VDSL testing The HST-3000’s Broadcom xDSL features use modem emulation (VTU-R) to turn up and troubleshoot VDSL services as well as provide packet statistics and analysis. The internet protocol (IP) suite software option allows IP/PPP trouble- shooting.

  • Page 21: Quick Tour

    – Solid green indicates that a data connection has been established with the network (so that the HST-3000 may send and receive data on the network). – Solid red indicates that a data network con- nection has not been established.

  • Page 22: Connector

    – Solid amber indicates that a local loopback has been achieved. Battery Indicates the battery status. For more informa- tion, see the HST-3000 Base Unit User’s Guide. Connector The connector for xDSL is located on the right side of the SIM, as shown in...

  • Page 23: User Interface Navigation

    VoIP application, and then IP Video. The same methodology applies to the configuration menus. If you are viewing the General modem settings, pressing Config will move to the Data settings, and then VoIP General settings, and then the Video Settings. HST-3000 xDSL Testing User’s Guide...

  • Page 24: Sim Options

    In general, the operation of each SIM is similar. Where the operation varies, it is noted in the text of this manual. To verify the chip set used in your SIM 1 Press the System navigation button. 2 Press the TOOLS soft key. HST-3000 xDSL Testing User’s Guide...

  • Page 25: Updating The Modem Software

    Depending on your installed options, the line may include additional information following “VDSL”, such as “WB2” or “DVOM”. NOTE: For additional information about HST-3000 options, SIMs, and services, contact your local JDSU representative or contact JDSU through the company web site, www.jdsu.com.
  • Page 26 The IP or domain name to get the update Address from. This should point to the actual directory on the server containing the files used for the update. The HST will search for the firmware files. HST-3000 xDSL Testing User’s Guide...
  • Page 27 The file appears only if it was found in the search. 6 Press the Accept soft key to begin the . A progress update bar appears, and provides the status of the . The update may take several minutes. update HST-3000 xDSL Testing User’s Guide...
  • Page 28 Chapter 1 Getting Started Updating the modem software HST-3000 xDSL Testing User’s Guide...

  • Page 29: Chapter 2 Dsl Testing

    DSL Testing Chapter 2 This chapter provides task-based instructions for using the optional HST-3000 xDSL testing features. Topics discussed in this chapter include the following: – “About the xDSL testing applications” on page 12 – “Testing in single-line modem emulate mode” on page 12 –...

  • Page 30: About The Xdsl Testing Applications

    Chapter 2 DSL Testing About the xDSL testing applications About the xDSL testing applications When you power up the HST-3000, the xDSL Measurements menu appears. NOTE: Your screen may look different, depending on the options installed on your unit. For example, VoIP and Video are options, so they may or may not appear.

  • Page 31: Selecting Modem Emulate Mode

    The unit is now in modem emulate mode. Specifying test Before you begin testing, make sure the settings on the HST-3000 match the settings of the line you are testing. settings General settings To specify general settings 1 Press the Configure navigation key.
  • Page 32 9 Select SRA, and then select either On or Off. Seamless Rate Adaptation changes the data rate while in operation without any interruption to data service. 10 Select Bitswapping and then specify whether to perform bit swapping. HST-3000 xDSL Testing User’s Guide...
  • Page 33 CPE incapable of full vectoring, but which have been designed to synchronize to a vectoring DSLAM without losing sync. It is a special soft- ware that is downloaded to the VTU-R modem enabling it HST-3000 xDSL Testing User’s Guide...
  • Page 34 ADSL2/2+ link. This setting does not appear if the Technology is VDSL. 19 Select Auto Sync, and then select either On or Off. This parameter specifies whether the HST-3000 will auto- matically attempt to re-sync with the DSLAM if the connection drops.

  • Page 35: Threshold Settings

    The high and low thresholds for the max downstream rate. Dn Capacity H / L The high and low thresholds for the downstream capacity. Dn Noise Margin H / L The high and low thresholds for the downstream noise margin. HST-3000 xDSL Testing User’s Guide...

  • Page 36: Connecting To The Line

    To connect to the line 1 Do one of the following: a If using the RJ45 connector for the DSL interface, connect one end of the test cable to the jack on the side of the module. HST-3000 xDSL Testing User’s Guide...
  • Page 37 Line Line port – If connecting behind a full-rate splitter, use a cable that will connect the VDSL signal on pins 2 and 5 to pins 4 and 5 on the HST-3000 as shown below. POTS SPLITTER Line Line Line...

  • Page 38: Testing The Physical Layer

    Chapter 2 DSL Testing Testing in single-line modem emulate mode Testing the You can use the HST-3000 to test the physical layer of the xDSL link. The following procedure describes the basic test physical layer for the xDSL link. To perform a basic xDSL link test –...

  • Page 39: Testing In Bonded Modem Emulate Mode

    – connecting to the line – performing the tests Specifying test Before you begin testing, make sure the settings on the HST-3000 match the settings of the line you are testing. settings The following settings must be specified: – General settings –...

  • Page 40: Specifying The General Settings

    4 Press the GENERAL soft key. The General Settings menu appears. 5 If you selected VDSL Bonded, select Profile, and then specify which profile(s) the HST-3000 will advertise as available when negotiating with the DSLAM. 6 If you selected ADSL Bonded, select Standard, and then specify the ADSL2/2+ line modulation standard in use.
  • Page 41 CRC/min H The highest allowed number of CRC errors per (only on Pair Settings menu) minute. FEC/min H The highest allowed number of FEC errors per (only on Pair Settings menu) minute. HST-3000 xDSL Testing User’s Guide...

  • Page 42: Connecting To The Line

    – Connect the other ends of the cable into the modular connectors Modem 1 and Modem 2 on the NID – Connect the other ends of the cable into the modular connectors Modem 1 and Modem 2 on the NID, or use HST-3000 xDSL Testing User’s Guide...

  • Page 43: Testing Line Quality

    HST-000-688-01. The test leads are connected. Testing line After connecting to the line and the modems have achieved synchronization (modem state “Showtime”), the HST-3000 quality gathers statistics for the line. These statistics are used to determine the line quality. To test line quality 1 Connect to the line.

  • Page 44: Selt Termination

    Chapter 2 DSL Testing Testing in bonded modem emulate mode When it reaches show time, the HST-3000 gather statis- tics. 2 Press the Display soft key to view different types of statis- tics. “Modem emulate results” on page 56 for information on interpreting the results.

  • Page 45: Finding Disturbers

    Chapter 2 DSL Testing Finding disturbers To run a SELT termination 1 On the right panel of the HST-3000, connect one end of the test cable to the DSL connector, and the other end to the line under test. 2 On the Summary results screen, press the SELT TERM.
  • Page 46 – Use 0 through 9 to jump to a specific frequency. The cursor position box appears. Enter the specific frequency where you wish to jump. The screen jumps to that frequency, with the specified frequency at the center of the screen. HST-3000 xDSL Testing User’s Guide...
  • Page 47 HDSL passband max 392.4375 HDSL2 T1 passband center E1 passband center 1024 1022 By noting the frequency where the interference occurs, you can associate the affected frequencies with possible disturbers. Finding disturbers is complete. HST-3000 xDSL Testing User’s Guide...
  • Page 48 Chapter 2 DSL Testing Finding disturbers HST-3000 xDSL Testing User’s Guide...

  • Page 49: Data Testing

    Data testing Chapter 3 This chapter provides task-based instructions for using the HST-3000 data testing features. Topics discussed in this chapter include the following: – “About the data tests” on page 32 – “Specifying the emulation type” on page 32 –...

  • Page 50: About The Data Tests

    Chapter 3 Data testing About the data tests About the data tests In data mode, the HST-3000 replaces the customer’s DSL modem to help sectionalize troubles, but also allows data to be analyzed. The data services test involves the following steps: –...

  • Page 51: Specifying Test Settings

    Specifying test settings Specifying test settings Before you begin testing, make sure the settings on the HST-3000 match the settings of the line you are testing. The following settings must be specified: – Data settings (see “Specifying data settings” on page –...
  • Page 52 General Settings). For more information, see the HST- 3000 IP Video Testing User’s Guide. 4 If you are testing in IPoE data mode, select 802.1x Secu- rity and then specify whether 802.1x authentication is supported on your network. HST-3000 xDSL Testing User’s Guide...

  • Page 53: Specifying Lan Settings

    The LAN settings are only available in Through mode settings (when the Data Emulation Type is set to Through). To specify the LAN settings 1 Press the LAN soft key. The LAN Settings menu appears. HST-3000 xDSL Testing User’s Guide...

  • Page 54: Specifying Wan Settings

    The WAN Settings menu appears if you are using IPoE or Multi VLAN data mode. For Multi VLAN data mode, you may have more than one WAN screen (for example, WAN2, WAN3). HST-3000 xDSL Testing User’s Guide...
  • Page 55 If you selected Static, do the following. a Select IP Address, then enter the IP address. b Select Net Mask, then enter the net mask address. c Select Gateway, then enter the gateway address. HST-3000 xDSL Testing User’s Guide...

  • Page 56: Specifying 802.1X Security Settings

    (the 802.11 access point). The access point (authenticator) blocks all other traffic until it can verify the client's identity. Once authen- ticated, the access point opens the client's port for other types of traffic. HST-3000 xDSL Testing User’s Guide...

  • Page 57: Specifying Stun Settings

    “STUN Enabled” is set to “Yes” on the Data Settings STUN settings menu. STUN (Simple Transversal of UDP [User Datagram Protocol] Through NATs [Network Address Translators]) allows VoIP calls across a NAT router. These settings should only be changed if necessary. HST-3000 xDSL Testing User’s Guide...
  • Page 58 The STUN settings are specified. NOTE: If STUN is enabled, the data layer will not come up until the STUN client on the HST has determined the type of NAT used between the HST and the STUN server. HST-3000 xDSL Testing User’s Guide...

  • Page 59: Specifying Ppp Settings

    Server. Client is normally used. Use Server only when you have a VTU-C. This feature allows a remote VTU-R to establish a PPP session with the HST-3000. NOTE: If you selected “Server” as the PPP mode, connect only to other devices with the same service name.

  • Page 60: Specifying Ping Settings

    The following procedure describes how to specify the ping settings. settings To specify the ping settings 1 Press the PING soft key. The Ping Settings menu appears. 2 Select Address Type, then select either IP Address or DNS Name (domain name server name). HST-3000 xDSL Testing User’s Guide...

  • Page 61: Specifying Trace Route Settings

    DSL connection to tip and ring. settings To specify the trace route settings 1 Press the Trace Route soft key. You may need to use the left or right arrow key to find the TRACERT soft key. HST-3000 xDSL Testing User’s Guide...

  • Page 62: Specifying Ftp/Http Settings

    The following procedure describes how to specify the FTP/ HTTP (throughput) settings. HTTP settings To specify FTP/HTTP settings 1 Press the FTP/HTTP soft key. You may need to use the left or right arrow key to find the FTP/HTTP soft key. HST-3000 xDSL Testing User’s Guide...
  • Page 63 – Basic – the client sends the username and password entered, with no security – Digest – the client sends the user name and password in a series of hashes for added security. The FTP/HTTP (throughput) settings are specified. HST-3000 xDSL Testing User’s Guide...

  • Page 64: Connecting To The Line

    2 For Through mode, connect one end of the test cable to the 8-pin jack on the right-hand side of the HST-3000. 3 Connect the other end of the cable to Tip and Ring using either the modular jack or clip leads.

  • Page 65: Testing Line Quality

    Chapter 3 Data testing Testing line quality Testing line quality Once connected to the line, the HST-3000 gathers statistics for the line. These statistics are used to determine the line quality. To test line quality 1 Connect to the line.

  • Page 66: Performing A Ping Test

    Press the Home navigation key. d Press the Display soft key, and then select Data - IP. See if there are any error messages. e Locate the Actions soft key. 2 Press the Actions soft key. HST-3000 xDSL Testing User’s Guide...

  • Page 67: Releasing Ip Addresses

    4 Press the Results soft key to clear the results or save them to a text file. For more information on saving results and managing the files, see the HST-3000 Base Unit User’s Guide. The ping test is complete. Releasing IP addresses The HST allows you to release allocated IP addresses, so they can be used by other equipment.

  • Page 68: Throughput Testing

    JDSU QoS (also called Iperf) is a method of qualifying copper lines to verify the throughput supported for the copper wire for voice and video traffic. This is a network testing tool that can create TCP and UDP data streams and measure the HST-3000 xDSL Testing User’s Guide...

  • Page 69: Step 1: Specifying Test Settings

    Test Duration Specify the test duration in number of seconds, between 5 and 300 seconds (5 minutes). IP TOS Field Specify the Type of Service (TOS) byte. This is a whole number between 0 and 255. HST-3000 xDSL Testing User’s Guide...
  • Page 70 Specify the port number used for management messages. Username Specify the test duration in number of seconds, between 5 and 300 seconds (5 minutes). Password Specify the Type of Service (TOS) byte. This is a whole number between 0 and 255. HST-3000 xDSL Testing User’s Guide...

  • Page 71: Step 2: Measuring Throughput

    JDSU QoS results to measure throughput. measuring throughput To measure throughput 1 If you haven’t already done so, connect the HST-3000 to the circuit under test. 2 Press the Display soft key and then select JDSU QoS Results. HST-3000 xDSL Testing User’s Guide...
  • Page 72 4 After the test completes, observe the results. “JDSU QoS results” on page 77 for information on interpreting the results. 5 To clear or save the results, use the Results soft key. You have measured throughput using JDSU QoS. HST-3000 xDSL Testing User’s Guide...

  • Page 73: Interpreting Test Results

    “Data summary results” on page 68 – “IP results” on page 69 – “Ethernet results” on page 70 – “Ping results” on page 71 – “Trace route results” on page 73 – “VLAN Scan results” on page 73 HST-3000 xDSL Testing User’s Guide...

  • Page 74: About The Results

    – “JDSU QoS results” on page 77 About the results After the HST-3000 has synchronized with the DSLAM, the unit will immediately display results on the LCD. You can view many additional results by pressing the Display soft key and selecting other results screens.

  • Page 75: Dsl Summary Results

    V-Fl (Full), of the screen, under the V-Fr (Friendly), Data mode. It is the V-off (Off) mode selected for Vec- toring. Technology Shown under the Data ADSL, VDSL2, or Mode. It is the current xDSL technology. HST-3000 xDSL Testing User’s Guide...
  • Page 76 Setup menu. Actual rate Actual upstream and 13–26 Mbps (Up) 64 kbps downstream rates 13–52 Mbps (Dn) Max rate Maximum attainable 13–26 Mbps (Up) 32 kbps upstream and down- 13–52 Mbps (Dn) stream rates HST-3000 xDSL Testing User’s Guide...

  • Page 77: Bonded Dsl Summary Results

    – Pair 1 or Pair 2 - Same results as the non-bonded screen above, except the title. – Group - one set of results for the combined pairs – Both - separate results for each pair, shown on the same screen HST-3000 xDSL Testing User’s Guide...

  • Page 78: Group Summary

    Maximum attainable upstream and down- stream rates for each pair Capacity The percentage of total bandwidth currently used by the actual connect rate upstream and downstream for each pair Noise margin Noise margin upstream and downstream for each pair HST-3000 xDSL Testing User’s Guide...

  • Page 79: Vectoring Results

    This category provides both local and remote error statistics. Table 13 describes the error results. Table 13 Error results Result Description Range Resolution LOSS/ Loss of signal seconds/Far- 1 second FLOSS end loss of signal seconds since starting the test HST-3000 xDSL Testing User’s Guide...

  • Page 80: Bonded Dsl Error Results

    – Local (Downstream) - error results for each pair in the downstream/local direction. – Remote (Upstream) - error results for each pair in the upstream/remote direction. – Pair x - error results for this pair in both directions. HST-3000 xDSL Testing User’s Guide...

  • Page 81: G.inp Statistics

    LOS, SEF, or LPR errors were present, or 18 CRCs occurred. Unavailable Seconds. A count of the number of test seconds which met the ITU-T Rec. G.821 definition of unavailable time. HST-3000 xDSL Testing User’s Guide...

  • Page 82: Bonded Dsl Performance Results

    Line Atten is for the entire line.) TX Power Power level, in dB, of the VDSL signal, downstream (from the DSLAM) and upstream (transmitted by the HST-3000). Interleave Delay Interleaving depth set by the DSLAM. This is a measure of latency introduced on the...

  • Page 83: Bonded Dsl Signal Results

    Signal results (Continued) Result Description Training Time The number of seconds it took the HST-3000 to synchronize with the DSLAM. Estimated Estimated loop length. Length 1. The estimated loop length is a rough estimated based on attenuation. For a more accurate measure of loop length, use the TDR in copper mode.
  • Page 84 /results/VDSL. The screen capture is saved as a bit map file with a .png file extension; the CSV file has a .csv extension. For information about viewing and printing files on the HST, see the HST Base Unit User’s Guide. HST-3000 xDSL Testing User’s Guide...

  • Page 85: Band Statistics

    – Pair 1 or Pair 2 - Same results as the non-bonded screen, except the title. Identity results This category provides the HST-3000 modem firmware revi- sion information (includes the PHY and the driver version). In Bonded VDSL mode, additional results are available: –...

  • Page 86: Data Mode Results

    – FTP/HTTP The following sections describe the results in each category. Data summary This category provides statistics on Ethernet frames when the HST-3000's 10/100BT Ethernet interface is used in TE or results VDSL thru-modes. Table 17 describes the Data summary results.

  • Page 87: Ip Results

    To do so, it first requests a DNS server to translate an internet address into an IP address; then the HST-3000 can cor- rectly route IP pings or other data. The DNS address must be that of a real DNS server, preferably in the provider network.

  • Page 88: Ethernet Results

    The status of each VLAN. Only appears when using Multi VLAN data mode. LAN IP Address The HST-3000's IP address to a PC or lap- top, hub or router connected to the HST-3000's Ethernet port. (Through mode only) LAN Net Mask The HST-3000’s netmask address for the...

  • Page 89: Ping Results

    (target) automatically responds. Ping tells you if the destination is alive and awake, how fast the ping went to the destination and back to the HST-3000, and if ping packets were dropped and lost along the way. Table 20 describes the ping results.
  • Page 90 Result Definition Lost/Lost% The number of pings that did not return to the HST-3000. This could be caused by an unresponsive target (destination) or by heavy congestion on the network; the more packets lost the more congested the network, indicating slow or poor through- put.

  • Page 91: Trace Route Results

    Name Lookup The number of seconds it took to lookup the Time name. Start Time The time that the transfer began. Redirect count The number of times the client was redirected. HST-3000 xDSL Testing User’s Guide...

  • Page 92: Atm General Results

    Transfer Mode (ATM) instead of traditional TDM circuits. To results assist in troubleshooting ADSL network connections, the HST-3000 provides a number of different ATM statistics (these are useful if IP pings don't work, but ATM cells are still being sent and received).

  • Page 93: Atm Oam Results

    ATM networks, the results HST-3000 supports the F5 loopback function to verify ATM level connectivity (analogous to IP ping, but F5 is only for ATM; IP ping does not apply to ATM and there is officially no such thing as an “ATM ping”).
  • Page 94 ATM network or segment. Delay Max Delay maximum. The longest time in millisec- onds that it took an HST-3000 F5 loop back request to return to the HST-3000. Delay Min Delay minimum. The shortest time in millisec- onds that it took an HST-3000 F5 loop back request to return to the HST-3000.

  • Page 95: Jdsu Qos Results

    The bitrate of packets received (download) or transmitted (upload) if running a TCP test. For a UDP test, displays dashes. Bitrate QoS Reports Pass/Fail for the Bitrate test. Packets The number of packets received (download) or transmitted (upload). HST-3000 xDSL Testing User’s Guide...
  • Page 96 TCP test, displays dashes. Loss QoS Reports Pass/Fail for the Loss test. Jitter (ms) Reports the jitter if running a UDP test. For a TCP test, displays dashes. Jitter QoS Reports the jitter QoS. HST-3000 xDSL Testing User’s Guide...

  • Page 97: Troubleshooting

    Troubleshooting Chapter 5 This chapter describes how to identify and correct problems related to the HST-3000. Topics discussed in this chapter include the following: – “Interpreting messages” on page 80 – “Resolving problems” on page 83 HST-3000 xDSL Testing User’s Guide...

  • Page 98: Interpreting Messages

    Chapter 5 Troubleshooting Interpreting messages Interpreting messages The HST-3000 provides error messages when it is unable to complete a command. This information enables you to solve simple problems that may be a result of data input. Each message is listed in...
  • Page 99 Check the destination address ABLE reach the specified host. or name. PROTOCOL The unit was unable to Verify protocol information. UNREACH verify protocol informa- tion. PORT UNREACH- The port numbers are Try a different IP address. ABLE conflicting. HST-3000 xDSL Testing User’s Guide...
  • Page 100 HOST UNKNOWN The unit was unable to Check the destination address find the specified host. or name. NETWORK The unit was unable to Check the destination address UNKNOWN find the specified network. or name. HST-3000 xDSL Testing User’s Guide...

  • Page 101: Resolving Problems

    UNREACHABLE resolve the IP address with Ethernet protocol. Resolving problems If you are having trouble with the HST-3000, the following sections describe common problems and solutions. You should verify whether your problem is listed here before contacting technical assistance. Operating the...

  • Page 102: General Test Problems

    – Check for premise alarm system. – Verify the copper pair is provisioned for VDSL at the CO. – Test at the CO/Exchange on the customer pair. – Check the DSLAM modem vendor and software version. HST-3000 xDSL Testing User’s Guide...
  • Page 103 This could be caused by bridged taps, cable crosstalk, or AM radio. Use the HST-3000 to check physical conditions: DVOM, balance, opens, and use the TDR to check for bridged taps. Check the DSLAM configuration - the max rate may be limited there.
  • Page 104 If the Ethernet cable is not hooked up, or is hooked up incorrectly, a packet will not be sent. Thus the Ethernet statistics will not increment. Check the Ethernet link light on the HST-3000 Ethernet jack. It should be green. Issue The ping menu says pings are being sent, but the number of replies doesn’t match the pings sent.
  • Page 105 I have a Bridged Ethernet connection and I get a DCHP FAILED message. Resolution Verify that the encapsulation is correct. Verify that the DHCP server isn't out of addresses. (Contact your IT department or help desk.) Issue I get an INVALID CONFIG message. HST-3000 xDSL Testing User’s Guide...
  • Page 106 Make sure the HST Data mode is set correctly for the type of circuit under test (such as PPPoE versus IPoE). Make sure you are not behind a firewall; they can block ping responses from reaching the host. HST-3000 xDSL Testing User’s Guide...
  • Page 107 VDSL modem errors. If you receive one of these messages, try the following: Try to resync with the line. Check the configuration of the HST-3000. Check the configuration of the DSLAM. Issue The Sync LED is lit, but the Data LED is not lit.
  • Page 108 Chapter 5 Troubleshooting Resolving problems HST-3000 xDSL Testing User’s Guide...

  • Page 109: Glossary

    AC interference can be identi- settings automatically between fied. two computers during data transfer. Bps — Bits per second. HST-3000 xDSL Testing User’s Guide...
  • Page 110 0 or 1. Ethernet — A local area network (LAN) wiring scheme. Downstream Rate — The line You can use the HST-3000 to rate for return messages or data emulate Ethernet terminal transfers from the network equipment to test connectivity.
  • Page 111 L2 — Low power mode where this can be (and often is) nega- the transceiver modifies power tive. based on traffic. Loopback — A diagnostic test that returns the transmitted signal back to the sending device after it has passed HST-3000 xDSL Testing User’s Guide...
  • Page 112 All wiring and user devices inside the premises (such as a modem) are controlled and operated by the Reed-Solomon Corrected owner. Errors — Bit errors that were corrected by the Reed-Solomon coding. HST-3000 xDSL Testing User’s Guide...
  • Page 113 TCP/IP — Transmission Control Protocol/Internet Splitter — A device used in Protocol. The official protocol of VDSL to allow users to continue the Internet and Web. to use their analog telephones HST-3000 xDSL Testing User’s Guide...
  • Page 114 POTS or ISDN DSLAM without a PC. You can signal. The data transmission then use the HST-3000 to ping. rate varies depending on distance, line distortion and Through Mode — The settings from the VDSL service HST-3000 is connected with a provider.
  • Page 115 84, Base unit user’s guide xiii Bits per tone 27, 65, Bonded Modem parameters, setting Emulation, VDSL modem Encapsulation Error results Ethernet Capabilities defined results Compliance information xiii Event log Conventions Crosstalk 85, HST-3000 xDSL Testing User’s Guide...
  • Page 116 41–42 troubleshooting defined specify settings LiIon Resolving problems Line Quality Results Line Rate ATM general ATM OAM error event log graphs Managing test configurations performance Messages, interpreting ping signal Modem emulation testing summary HST-3000 xDSL Testing User’s Guide...
  • Page 117 84, results testing overview VDSLAM Vector Mode Terminate mode Vectoring results Testing DSL through mode emulating a VDSL modem physical layer Threshold settings 17–18 defined Through mode, VDSL testing specify settings 36–38 Throughput, See FTP HST-3000 xDSL Testing User’s Guide...
  • Page 118 Index HST-3000 xDSL Testing User’s Guide...
  • Page 120 Communications Test and Measurement Regional Sales North America Latin America Asia Pacific EMEA www.jdsu.com Toll Free: 1 855 ASK JDSU Tel: +55 11 5503 3800 Tel: +852 2892 0990 Tel: +49 7121 86 2222 Tel: +1 240 404 2999 Fax:+55 11 5505 1598 Fax:+852 2892 0770 Fax:+49 7121 86 1222 Fax:+1 240 404 2195...

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