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JDS Uniphase HST-3000 User Manual

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Summary of Contents for JDS Uniphase HST-3000

  • Page 1 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 3 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 4 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 JDSU could void the user's authority to operate the equipment. Industry Canada This Class B digital apparatus complies with Canadian Requirements ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 6 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 G.SHDSL Testing User’s Guide...

  • Page 7: Table Of Contents

    Application-oriented user guide ....xi HST-3000 Base Unit User’s Guide ....xi Safety and compliance information.
  • Page 8 Setting CO parameters ..... 40 Connecting to the line ......41 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 9 General test problems ..... 72 G.SHDSL test problems ....72 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 10 Contents Glossary Index viii HST-3000 G.SHDSL Testing User’s Guide...
  • Page 11 “Assumptions” on page x – “Terminology” on page x – “Application-oriented user guide” on page xi – “HST-3000 Base Unit User’s Guide” on page xi – “Safety and compliance information” on page xi – “Technical assistance” on page xii –...

  • Page 12: About This Guide

    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 13: Application-Oriented User Guide

    About This Guide Application-oriented user guide Application-oriented user guide The HST-3000 G.SHDSL Testing User’s Guide is an applica- tion-oriented user’s guide containing information about using the HST-3000 to perform test operations on G.SHDSL services. This guide includes an overview of testing features,...

  • Page 14: 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 15: 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. xiii HST-3000 G.SHDSL Testing User’s Guide...
  • Page 16 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 G.SHDSL Testing User’s Guide...

  • Page 17: Getting Started

    Getting Started Chapter 1 This chapter provides a general description of the HST-3000’s optional G.SHDSL testing features. Topics discussed in this chapter include the following: – “About G.SHDSL testing” on page 2 – “Quick tour” on page 3 HST-3000 G.SHDSL Testing User’s Guide...

  • Page 18: About G.shdsl Testing

    (TE) to turn up and troubleshoot G.SHDSL circuits, and the service over the circuit. Using the optional IP suite or optional on-board web browser, the HST-3000 can also vali- date a data connection over the network. The capabilities of the G.SHDSL feature include the following: –...

  • Page 19: 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 connection error.
  • Page 20 – Solid amber indicates the battery capacity indicator (“gas gauge”) needs to be reset. For information about replacing or charging the battery, see the HST-3000 Base Unit User’s Guide. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 21: Connectors

    Connect TNV signals to TNV ports only. The connector uses pins 4 and 5 for 2-wire G.SHDSL and the first pair of 4-wire G.SHDSL. The second pair for 4-wire uses either 1 and 2 or 3 and 6. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 22: Sealing Current Terminator

    HST test results. CAUTION: DAMAGE TO MODULE Placing the sealing current terminator on a line with voltage over 150 volts may damage the unit. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 23: G.shdsl Testing

    G.SHDSL Testing Chapter 2 This chapter provides task-based instructions for using the optional HST-3000 G.SHDSL testing features. Topics discussed in this chapter include the following: – “Accessing the G.SHDSL testing feature” on page 8 – “Testing in G.SHDSL STU-R TE mode” on page 9 –...

  • Page 24: Accessing The G.shdsl Testing Feature

    Chapter 2 G.SHDSL Testing Accessing the G.SHDSL testing feature Accessing the G.SHDSL testing feature Using an HST-3000 with G.SHDSL testing capability, you can perform tests in the following modes: – STU-R TE (terminal equipment) – STU-R through – STU-C TE –...

  • Page 25: Testing In G.shdsl Stu-R Te Mode

    Testing in G.SHDSL STU-R TE mode Testing in G.SHDSL STU-R TE mode In STU-R TE modem emulate mode, you can use the HST-3000 to terminate the line instead of the CPE. The modem emulation test involves the following steps: – selecting modem emulate mode –...

  • Page 26: Setting General Modem Parameters

    – G.991.2.bis Auto PAM Anx. A/F – G.991.2.bis TCPAM-32 Anx. A/F – G.991.2.bis Auto PAM Anx. B/G – G.991.2.bis TCPAM-32 Anx. B/G – G.991.2 (Annex A) 4-wire – G.991.2 (Annex B) 4-wire – G.991.2 (Annex B ANFP) 4-wire HST-3000 G.SHDSL Testing User’s Guide...
  • Page 27 5 Select Auto Sync, and then change the settings as appropriate for auto sync. This specifies whether the HST-3000 will automatically attempt to re-sync with the DSLAM if the connection drops. 6 Select Power Backoff, and then change the settings as appropriate for power backoff.
  • Page 28 Chose -10 to 10 dB in 1 dB increments. 13 Select Event Log Size, and then specify the size of the event log. The size options are as follows: 100, 200, 300, 400, 500. The general modem parameters are set. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 29: Setting Data Parameters

    The Data Settings menu appears. 2 Select Data Mode and then choose a mode. – IPoE is IP over Ethernet – IPoA is IP over ATM – PPPoA is PPP over ATM – PPPoE is PPP over Ethernet HST-3000 G.SHDSL Testing User’s Guide...
  • Page 30 (Internet, Video, or Voice). 8 Repeat steps for any remaining interfaces. 9 Select VC, and then enter the virtual path indicator (VPI) and virtual channel indicator (VCI) for the virtual channel (VC) under test. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 31: Setting Wan Parameters

    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 G.SHDSL Testing User’s Guide...
  • Page 32 Select Net Mask, then enter the net mask address. c Select Gateway, then enter the gateway address. d Select DNS, then enter the address of the DNS server. If you are using IPoA data mode, proceed to step HST-3000 G.SHDSL Testing User’s Guide...

  • Page 33: Setting 802.1X Security Parameters

    Once authen- ticated, the access point opens the client's port for other types of traffic. For this authentication, the HST acts as a supplicant. The following procedure describes how to specify the 802.1x settings. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 34: Specifying Stun Settings

    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. The following procedure describes how to specify the STUN settings. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 35 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 G.SHDSL Testing User’s Guide...

  • Page 36: Setting Ppp Parameters

    Server. Client is normally used. Use Server only when you have an STU-C. This feature allows a remote STU-R to estab- lish 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 37: Setting Ping Parameters

    To set the ping parameters 1 Press the PING soft key. The Ping Settings menu appears. 2 Select Address Type, and then select either IP Address or DNS Name (domain name server name). HST-3000 G.SHDSL Testing User’s Guide...

  • Page 38: Setting Atm Bert Parameters

    ATM BERT parameters must be set. The ATM BERT data mode is only available in modem emulate mode. To set the ATM BERT parameters 1 Press the ATM BERT soft key. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 39 – Custom 7 If you selected a Custom Duration, select Custom Dura- tion, and enter the number of minutes for the test dura- tion. 8 Select Threshold Enable, and then indicate whether a threshold is enabled. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 40: Setting Eoc Parameters

    To send this message... Press... Discovery Probe the 1 key Inventory Request the 2 key System LpBk (Initiate) the 3 key System LpBk the 4 key Element LpBk (Initiate) the 5 key HST-3000 G.SHDSL Testing User’s Guide...

  • Page 41: Setting Trace Route Parameters

    To set the trace route parameters 1 Press the Trace Route soft key. You may need to use the left or right arrow key to find the TRACERT soft key. The Trace Route Settings menu appears. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 42: Setting Ftp/Http Parameters

    2 Press the 1 key, and then enter a user name. Use the up and down arrows to indicate a letter or number, or use the keyboard keys. 3 Press the OK key to accept the changes. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 43: Connecting To The Line

    After setting the test parameters, you can connect to the line. the line To connect to the line 1 Connect one end of the test cable to the jack on the side of the module. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 44: Testing The Physical Layer

    Line port The test leads are connected. Testing the You can use the HST-3000 to test the physical layer of the G.SHDSL link. The following procedure describes the basic physical layer test for the G.SHDSL link. To perform a basic G.SHDSL link test –...
  • Page 45 Chapter 2 G.SHDSL Testing Testing in G.SHDSL STU-R TE mode The modem begins to train on the line automatically. When it reaches data mode, the HST-3000 begins gath- ering statistics. Once data synchronization occurs, the Actions soft key appears. 2 Optional. To verify ATM level connectivity, press the Actions soft key then select either Send F5 Segment or Send F5 End-End.

  • Page 46: Performing A Ping Test

    Actions soft key. If the Data LED is red, the network connection is not properly established. b Press the Configure navigation key and make sure all test settings are correct for the circuit. c Press the Home navigation key. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 47: 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...

  • Page 48: Throughput Testing

    “FTP/HTTP results” on page 59 for information on interpreting the results. ATM BERT The HST-3000 allows testing of the ATM layer using a bit error testing rate test (BERT). The following procedure describes how to perform an ATM BERT. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 49 The Injected Errors counter should increment. 8 Press the Results soft key to clear or save the results. “ATM BERT results” on page 58 for information on interpreting the results. You have completed the ATM BERT test. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 50: Testing In G.shdsl Through Mode

    Chapter 2 G.SHDSL Testing Testing in G.SHDSL through mode Testing in G.SHDSL through mode In through mode, you can use the HST-3000 to replace the customer’s G.SHDSL modem to help sectionalize troubles. You can operate the HST in either STU-R through or STU-C through mode.

  • Page 51: Setting Lan Parameters

    Use this when the customer CPE modem/router assigns private IP addresses. 3 Select Server IP, and then enter the tester’s LAN server IP address. 4 Select Netmask, and then enter the LAN net mask address. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 52: Connecting To The Line

    After setting the test parameters, you can connect to the line. the line To connect to the line 1 Connect one end of the test cable to the 8-pin jack on the right-hand side of the HST-3000. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 53: Testing Line Quality

    Use a straight cable if you are connecting to a hub or router. The test leads are connected. Testing line Once connected to the line, the HST-3000 gathers statistics quality for the line. These statistics are used to determine the line quality.
  • Page 54 Chapter 2 G.SHDSL Testing Testing in G.SHDSL through mode The modem begins to train on the line automatically. When it reaches data mode, the HST-3000 begins gath- ering statistics. If in 4-wire mode, Summary results are available for pair 1, pair 2 or both. Press the right or left arrow to select the pair.

  • Page 55: Performing A Ping Test

    “Performing a ping test” on page 30 for more information. ping test Emulating a G.SHDSL STU-C You can use the HST-3000 to emulate a G.SHDSL STU-C to help sectionalize troubles. Using this mode involves the following steps: – selecting STU-C TE mode –...

  • Page 56: Setting Test Parameters

    Emulating a G.SHDSL STU-C Setting test Before you begin testing, you must make sure that the parameters HST-3000 setup matches the parameters of the line that you are testing. The following parameters can be changed: – General modem parameters (see “Setting general modem parameters”...

  • Page 57: Connecting To The Line

    To connect to the line 1 Connect one end of the test cable to the 8-pin jack on the right-hand side of the HST-3000. 2 Connect the other end of the cable to the STU-R. Modem The test leads are connected.

  • Page 58: Testing Line Quality

    Chapter 2 G.SHDSL Testing Emulating a G.SHDSL STU-C Testing line Once connected to the line, the HST-3000 gathers statistics quality for the line. These statistics are used to determine the line quality. To test line quality 1 Connect to the line.

  • Page 59: Atm Bert Testing

    For more information on saving results and managing the files, see the HST-3000 Base Unit User’s Guide. Testing line quality is complete. ATM BERT The HST-3000 allows testing of the ATM layer using a bit error testing rate test (BERT). See “ATM BERT testing” on page...
  • Page 60 Chapter 2 G.SHDSL Testing Emulating a G.SHDSL STU-C HST-3000 G.SHDSL Testing User’s Guide...

  • Page 61: Interpreting Test Results

    “Signal results” on page 61 – “Loop status results” on page 61 – “Identity results” on page 63 – “CO requested configs results” on page 64 – “EOC Counters” on page 65 – “FTP/HTTP results” on page 59 HST-3000 G.SHDSL Testing User’s Guide...

  • Page 62: About G.shdsl Results

    Chapter 3 Interpreting Test Results About G.SHDSL results About G.SHDSL results After the HST-3000 has synchronized with the remote end, 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 63: Summary Results

    Shown in the upper right dard of the screen. It is the cur- rent layer 1 standard. Start The current initializing Progress state for the modem. A graphical display also indi- cates the modem state. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 64: Error Results

    If in 4-wire mode, statistics are displayed for both pairs. Table 8 describes the error results for the G.SHDSL. Table 8 Error results Result Description Range Resolution Number of seconds in 0–4294967295 seconds 1 second which one or more CRC error occurred HST-3000 G.SHDSL Testing User’s Guide...

  • Page 65: Event Log

    (only available on STU-C) Event log This category provides a running log of significant modem events and errors. If in 4-wire mode, the event is labeled with the appropriate pair. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 66: Data Errors

    IP packets are to be routed to other networks or sub-networks. (Called LAN Net Mask in Ethernet TE 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)

  • Page 67: Ethernet Results

    The status of DHCP, DNS and TCP/IP pro- tocols used to route traffic on the access network. Ethernet results The Ethernet category provides statistics on Ethernet frames when the HST-3000's 10/100BT Ethernet interface is used in G.SHDSL thru-modes. Table 10 describes the Ethernet results.

  • Page 68: 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 11 describes the ping results.
  • Page 69 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 con- gested the network, indicating slow or poor throughput.

  • Page 70: Trace Route Results

    Transfer Mode (ATM) instead of traditional TDM circuits. To assist in troubleshooting G.SHDSL 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 71 VPI and VCI, which if incorrect, prevents the user from accessing the net- work. To assist the connection process, the HST-3000 identifies the VPI and VCI of the last ATM cells coming over the G.SHDSL link, helping you to set the cor- rect VPI and VCI.

  • Page 72: Atm Oam Results

    ATM networks, the HST-3000 supports the F5 loopback function to verify ATM level connectivity (similar 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 73: Atm Channel Results

    ATM channel statistics are the cells and errors from the current virtual circuit via which the HST-3000 is connected to the access network (after G.SHDSL synchronization is achieved). Table 15 describes the ATM channel test results.

  • Page 74: Atm Bert Results

    RX AAL5 Length Total number of ATM AAL5 frames Errors received by the HST-3000, which were too short or too long due to errors. RX AAL5 Aborts Total number of ATM AAL5 frames which were lost or dropped due to excessive errors.

  • Page 75: Ftp/Http Results

    Name Lookup the name. Time Start Time The time that the transfer began. Redirect count The number of times the client was re- directed. Message Status message. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 76: Performance Results

    AutoTCPAM Anx B/G 768–5696 kbps for TCPAM32 Anx A/F and TCPAM32 Anx B/G 128–4608 kbps for Anx A, Anx B, and Anx B ANFB 4-wire Line Rate Payload Rate + 8 kbps. 72–2320 kbps HST-3000 G.SHDSL Testing User’s Guide...

  • Page 77: Signal Results

    Total number of times the modem achieved synchroniza- tio. Loop status results This category provides information about the current status and history of the loop. If in 4-wire mode, statistics are displayed for both pairs. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 78 Indicates that the local SNR margin has fallen below the threshold value. Local Loop Attn Alarm Indicates that the local loop attenua- tion is higher than the threshold value. Local LOSW Alarm Indicates that a local LOSW failure has occurred. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 79: Identity Results

    The provider code for the remote modem. Rmt Country Code The country code for the remote modem. Rmt Vendor Specific Any vendor specific data the remote modem sends via the EOC. Rmt SHDSL Version The SHDSL version for the remote modem. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 80: Co Requested Configs Results

    EOC results This category describes events on the embedded operations channel (EOC). EOC Log This category provides a running log of EOC messages received. If in 4-wire mode, the event is labeled with the appropriate pair. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 81: Eoc Counters

    Chapter 3 Interpreting Test Results EOC results EOC Counters This category provides information about the EOC messages that the HST-3000 transmits and receives. If in 4-wire mode, statistics are displayed for both pairs. Table 23 describes the results for the local performance cate- gory.
  • Page 82 Chapter 3 Interpreting Test Results EOC results HST-3000 G.SHDSL Testing User’s Guide...

  • Page 83: Troubleshooting

    Troubleshooting Chapter 4 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 68 – “Resolving problems” on page 71 HST-3000 G.SHDSL Testing User’s Guide...

  • Page 84: Interpreting Messages

    Chapter 4 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 85 Try a different IP address. TRANSIT many times before reach- ing the destination. TTL EXC The ping had to be recre- Try a different IP address. REASSMBLY ated too many times before reaching the desti- nation. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 86 Could not reach destina- Try a different destination. UNREACHABLE tion. The destination net- work does not accept the type of service. ARP HOST The device could not Examine the configurations. UNREACHABLE resolve the IP address with Ethernet protocol. HST-3000 G.SHDSL Testing User’s Guide...

  • Page 87: Resolving Problems

    Chapter 4 Troubleshooting Resolving problems 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 The following section addresses questions that may be asked...

  • Page 88: Performing Tests

    Chapter 4 Troubleshooting Resolving problems Performing The following section addresses questions that may be asked tests about completing tests with the HST-3000. There are two sections included: – General – G.SHDSL tests General test The following section addresses questions about testing in problems general.
  • Page 89 264 and the other side is set to a 328 payload with a line rate of 336, the modems will not sync. Table 25 Valid speeds for G.SHDSL Two Wire Four Wire Line Line Line Payload Payload Payload Rate Rate Rate HST-3000 G.SHDSL Testing User’s Guide...
  • Page 90 1600 1616 1608 3216 3200 1672 1664 1680 1672 3344 3328 1736 1728 1744 1736 3472 3456 1800 1792 1808 1800 3600 3584 1864 1856 1872 1864 3728 3712 1928 1920 1936 1928 3856 3840 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 91 3136 3152 3144 3144 3136 3152 3144 3208 3200 3216 3208 3216 3208 3272 3264 3280 3272 3280 3272 3336 3328 3344 3336 3336 3328 3344 3336 3400 3392 3408 3400 3400 3392 3408 3400 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 92 4488 4560 4552 4624 4616 4680 4672 4688 4680 4782 4744 4816 4808 4872 4864 4880 4872 4944 4936 5000 4992 5008 5000 5064 5056 5072 5064 5136 5128 5200 5192 5256 5248 5264 5256 HST-3000 G.SHDSL Testing User’s Guide...
  • Page 93 Issue The modem gets sync with the CO, but the rate is lower than expected. Resolution If the rate mode is adaptive, verify the startup margin and SNEXT margin settings. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 94 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 95: Hst-3000 G.shdsl Testing User's Guide

    Verify that the encapsulation is correct. Verify that the addressing mode is set correctly (IPCP/Static). Verify that the username and password are correct. Issue I have a PPPoE connection and I get a PPPoE FAILED message. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 96 Verify that the IP address and gateway are on the same network as defined by the netmask. Check the netmasks if Ethernet IP = DSL IP. The netmasks must be different. Verify that the Netmask is not set to 0.0.0.0. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 97 G.SHDSL lines. This is because of the many different possible types of G.SHDSL 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. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 98 Chapter 4 Troubleshooting Resolving problems Check the configuration of the DSLAM. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 99 This helps parameters automatically cut down on network delays and between two computers during variations in the delay through a data transfer. network. HST-3000 G.SHDSL Testing User’s Guide...
  • Page 100 Ethernet — A local area measure of the carrying capacity network (LAN) wiring scheme. of a link. Delay indicates how You can use the HST-3000 to long it takes bits to find their way emulate Ethernet terminal through a network.
  • Page 101 Modem Redundancy — When Line Rate — The speed by backup modems are immedi- which data is transferred over a ately available should a modem particular line type, expressed in facilitating communication fail. bits per second (bps). HST-3000 G.SHDSL Testing User’s Guide...
  • Page 102 POTS — Plain old telephone service. The basic service RS-232 — An EIA standard supplying standard single line which is the most common way telephones, telephone lines, of linking data devices together. and access to the public HST-3000 G.SHDSL Testing User’s Guide...
  • Page 103 SDSL — Symmetric Digital DSLAM without a PC. You can Subscriber Line. A digital then use the HST-3000 to ping. subscriber line (DSL) tech- nology in which the transmission Through Mode — The of data from server to client is...
  • Page 104 Glossary HST-3000 G.SHDSL Testing User’s Guide...
  • Page 105 ATM results channel general Data errors parameters, setting 13–15 Data settings, specifying 13–15 Base unit user’s guide Delay Batt LED DHCP server 68, Documentation base unit user’s guide G.SHDSL testing option user’s guide Capabilities HST-3000 G.SHDSL Testing User’s Guide...
  • Page 106 Event log LOSW Lpbk LED F5 loopbacks Features Messages, interpreting 68–70 FTP/HTTP Modem pooling redundancy setting parameters Gateway 80, HTTP/FTP Network interface device Network mask Noise margin Identity results Interpreting messages IP results Password See PPP HST-3000 G.SHDSL Testing User’s Guide...
  • Page 107 34–39 Thruput, setting parameters 26–27 Trace route, setting parameters 25– Safety information Train(ing) See sync SDSL Troubleshooting Sealing current terminator G.SHDSL tests Serial number, locating general operation Server, DHCP 68, tests HST-3000 G.SHDSL Testing User’s Guide...
  • Page 108 Index Virtual channel indicator Virtual path indicator User documentation base unit user’s guide defined G.SHDSL testing option user’s setting guide troubleshooting 68, 79, defined defined setting setting parameters troubleshooting 68, 79, HST-3000 G.SHDSL Testing User’s Guide...
  • Page 110 Communications Test and Measurement Regional Sales North America Latin America Asia Pacific EMEA www.jdsu.com Toll Free: 1 800 638 2049 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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