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

Ip video testing
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IP Video Testing
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  • Page 1 HST-3000 IP Video Testing User’s Guide...
  • Page 3 HST-3000 IP Video Testing User’s Guide Communications Test and Measurement Solutions One Millestone 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-058201. The catalog number for a USB stick containing the manual in elec- tronic form is ML-060301.
  • 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 IP Video 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 Monitor Log ........57 HST-3000 IP Video Testing User’s Guide...
  • Page 9 Summary........73 Practical example ......73 Glossary Index HST-3000 IP Video Testing User’s Guide...
  • Page 10 Contents viii HST-3000 IP Video 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 IP Video Testing User’s Guide is an applica- tion-oriented user’s guide contains information relating to the basic use of the device and includes detailed procedures for testing and troubleshooting IP video service.

  • Page 14: Technical Assistance

    Before you contact JDSU for technical assistance, please have the serial numbers for the service interface module (SIM) and the base unit handy (see “Locating the serial number” in the HST-3000 Base Unit User’s Guide). Table 1 Technical assistance centers...

  • 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 IP Video 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 IP Video Testing User’s Guide...

  • Page 17: Getting Started

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

  • Page 18: Overview And Options

    Overview and options The HST-3000’s optional IP video testing features (ordering number HST300S-IP-Video) allow verification of video service and testing of video quality. The capabilities of the HST-3000 IP video feature includes the following: – Physical medium test – IP connectivity test –...

  • Page 19: Quick Tour

    Microsoft Video Provides mean opinion score (MOS) HST3000-VMOS for IP video applications. For additional information about HST-3000 options, SIMs, and services, contact your local JDSU representative or con- tact JDSU through the company web site, www.jdsu.com. Quick tour The following section describes the status indicators and connections applicable to IP video.
  • Page 20 A two-color LED that indicates alarm conditions. – Solid red indicates an alarm condition. Lpbk – Not used in IP video mode. Batt Indicates the battery status. For more informa- tion, see the HST-3000 Base Unit User’s Guide. HST-3000 IP Video Testing User’s Guide...

  • Page 21: Connections

    Headset connector The Headset connector is used to connect a 2.54mm micro- phone/speaker audio headset. USB connector This USB host connector is used to connect the HST-3000 to a printer (device) for transferring test statistics. Ethernet connector The Ethernet connector is used to connect a 10/100 BaseT Ethernet cable.

  • Page 22: User Interface Navigation

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

  • Page 23: Ip Video Testing

    IP Video Testing Chapter 2 This chapter provides task-based instructions for using the optional HST-3000 IP video testing features. Topics discussed in this chapter include the following: – “About IP Video Testing” on page 8 – “Specifying test settings” on page 8 –...

  • Page 24: About Ip Video Testing

    This guide is specific to IP video testing. For more informa- tion on ADSL, VDSL, or Ethernet testing, including con- necting to the line, see the HST-3000 ADSL Testing User’s Guide, HST-3000 ADSL2 Testing User’s Guide or the HST-3000 VDSL Testing User’s Guide.

  • Page 25: Specifying Data Settings

    “Specifying WAN settings” on page For more information on other configuration items (Ping, Trace Route, and so on), see the HST-3000 ADSL2 Testing User’s Guide or the HST-3000 VDSL Testing User’s Guide. Specifying Data The Data settings menu varies, depending on the interface.
  • Page 26 If you are on a VDSL interface, you are finished specifying Data Settings. 9 If you are on an ADSL interface, enter the VPI and VCI, as outlined below. The process varies depending on your network configuration. HST-3000 IP Video Testing User’s Guide...
  • Page 27 – User Specified allows you to enter a value from 2 to 50000 cells per second, which limits the bandwidth, or data rate, of the signaling messages. NOTE: If the rate entered is not attainable, the HST will round down to the next attainable rate. HST-3000 IP Video Testing User’s Guide...
  • Page 28 (the broadcast program data). e Select Video RX VC 2, and then enter the virtual path indicator (VPI) and virtual channel indicator (VCI) for the second video channel (the VOD program data). HST-3000 IP Video Testing User’s Guide...

  • Page 29: Specifying 802.1X Security Settings

    The following procedure describes how to specify the 802.1x settings. To specify 802.1x settings 1 Press the 802.1X soft key. You may need to scroll left or right to find it. The 802.1x Settings screen appears. HST-3000 IP Video Testing User’s Guide...

  • Page 30: Specifying Stun Settings

    2 Select Address Type, and then specify whether an IP Address or DNS Name is used. 3 If you selected IP Address in step 2, select Server IP, and then enter the IP address of the STUN server. HST-3000 IP Video Testing User’s Guide...

  • Page 31: Specifying Ppp Settings

    The following procedure describes how to specify the point-to- point protocol (PPP) settings settings To specify PPP settings 1 Press the PPP soft key. The PPP Settings menu appears. 2 Select PPP Mode, and then select either Client or Server. HST-3000 IP Video Testing User’s Guide...

  • Page 32: Specifying Wan Settings

    Specifying test settings Client is normally used. Use Server only when you have an ATU-C. This feature allows a remote ATU-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 33 If you selected Yes, enter the Vendor ID. b Go to step 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. HST-3000 IP Video Testing User’s Guide...
  • Page 34 4 Press the Home navigation key to return to the Data Summary screen. 5 Press the Cancel navigation key to return to the main ADSL Measurements screen. 6 Select Video to return to the Video application. The WAN settings are specified. HST-3000 IP Video Testing User’s Guide...

  • Page 35: Video Setup

    To specify general video settings 1 Press the Configure navigation key. The parameter soft keys appear. 2 Press the VIDEO soft key. You may need to scroll left or right to find it. The Video Settings screen appears. HST-3000 IP Video Testing User’s Guide...
  • Page 36 If MOS analysis is done on an ISMA type stream, these items tell the HST what the video and audio codecs of the stream will be. 10 Select FTP LTerm Results, and then enable or disable transferring of results for long term tests. HST-3000 IP Video Testing User’s Guide...

  • Page 37: Specifying Video Qos Settings

    3 Press 2 then enter the Jitter Fail threshold, in msec. 4 Press 3 then enter the Loss Rate Pass threshold, in percent. 5 Press 4 then enter the Loss Rate Fail threshold, in percent. HST-3000 IP Video Testing User’s Guide...

  • Page 38: Specifying Mpeg Qos Settings

    3 Press 2 then enter the Error Indicator Fail threshold, between 1 and 1000. This threshold controls the number of times the Error Indi- cator bit can be set in the MPEG2-TS header before the Error Ind. QoS is changed. HST-3000 IP Video Testing User’s Guide...

  • Page 39: Specifying Video Loss Settings

    1 Press the VID LOSS soft key. You may need to scroll left or right to find it. The Video Loss Settings screen appears. 2 Press the 1 key to set the Loss Distance threshold, in number of packets. Enter a number between 1 and 10,000,000. HST-3000 IP Video Testing User’s Guide...

  • Page 40: Authenticating On A Secured Network

    After authenticated, the access point opens the client's port for other types of traffic, and the user can log into the network. For this authentication, the HST acts as a supplicant. HST-3000 IP Video Testing User’s Guide...
  • Page 41 8 Press the 802.1X soft key, and then specify the user name and password. 9 Press the Home navigation key. On the main screen, a lock icon indicates whether you are authenticated (indicated by a secured/closed lock) or unau- thenticated (an open lock). HST-3000 IP Video Testing User’s Guide...

  • Page 42: Managing Video Channels

    To add or edit video channels 1 Press the Actions soft key. 2 Select Video Channels. 3 Select Manage Entries. 4 Select Add or Edit. 5 If you selected Edit, choose a channel to edit. HST-3000 IP Video Testing User’s Guide...

  • Page 43: Deleting A Video Channel

    To delete a channel 1 Press the Actions soft key. 2 Select Video Channels. 3 Select Manage Entries. 4 Select Delete. 5 Select the channel to delete then press OK. The channel is deleted. HST-3000 IP Video Testing User’s Guide...

  • Page 44: Analyzing Video Streams

    Chapter 2 IP Video Testing Analyzing video streams Analyzing video streams The HST-3000 analyzes the video data packet flow at the packet level. Since the initial video quality is established by the source material and encoding process at the head end,...

  • Page 45: Terminate Mode

    Auto Broadcast [automatically detects broad- cast streams. The first detected stream’s media type and port are displayed.], MPEG-2 Broadcast (UDP), MPEG-2 Broadcast (RTP), MPEG-2 V.O.D. (RTSP- UDP), Microsoft IPTV, ISMA Broadcast, ISMA V.O.D.(RTSP-UDP), ISMA V.O.D.(RTSP-TCP), Rolling Stream (R-RTP-UDP). HST-3000 IP Video Testing User’s Guide...
  • Page 46 The port number is required for all services except Auto Broadcast. The default 8208 used by the HST-3000 is typically accepted by networks. – Press the OK key to accept the service and address. b Retrieve a stored channel’s information.

  • Page 47: Monitor Mode

    “Interpreting Test Results” on page 39 for information on analyzing the results. Monitor mode In the monitor mode, up to 3 simultaneous streams can be analyzed at one time, with statistics available for up to 10 previous streams. HST-3000 IP Video Testing User’s Guide...
  • Page 48 Press the LAN soft key. c Enter an IP address. An IP address on the network is not required; however, you should enter a valid IP address (any address). 2 Verify that the Data LED is green. HST-3000 IP Video Testing User’s Guide...

  • Page 49: Measuring Class Of Service

    Measuring Class of Service The development of IP packet based “Triple Play” services places new demands on the network to manage the priority of the services. Each application has its own specific quality of HST-3000 IP Video Testing User’s Guide...
  • Page 50 QoS demands may affect the individual services. The HST-3000’s Class of Service feature allows the testing of all three applications simultaneously and analysis that reveals their interactions. You can view multiple applications and see whether bringing up another application has a negative impact on existing applications.
  • Page 51 VoIP call, or the IP address of a data transfer (FTP). This configuration information can be saved, recalled, or deleted. “Class of Service results” on page 58 for information on analyzing the results. HST-3000 IP Video Testing User’s Guide...

  • Page 52: Saving Test Results

    – Save Results saves the results to a text file. For more information on saving, retrieving, and managing result files, see the HST-3000 Base Unit User’s Guide. – Timed Results Save saves the results to a comma-sepa- rated-values (CSV) file at specified time intervals. For example, you can set the HST to save results to a file every 10 minutes.
  • Page 53 10 At the end of your test, press the Results soft key again, and then select Stop Timed Results Saving with FTP. For more information on saving, retrieving, and printing results, see the HST-3000 Base Unit User’s Guide. HST-3000 IP Video Testing User’s Guide...
  • Page 54 Chapter 2 IP Video Testing Saving test results HST-3000 IP Video Testing User’s Guide...

  • Page 55: Interpreting Test Results

    “PID Map results” on page 54 – “Video Totals results” on page 55 – “Monitor Log” on page 57 – “Video Error Log results” on page 57 – “Class of Service results” on page 58 HST-3000 IP Video Testing User’s Guide...

  • Page 56: About Test Results

    Chapter 3 Interpreting Test Results About test results About test results After the HST-3000 is setup and a data connection is estab- lished, video streams become available for analysis. The test results used for analysis are split among several categories.

  • Page 57: Video Monitor

    Figure 3 VIdeo Monitor results Table 9 describes the Video Summary results. Table 9 Video Monitor results Result Description Active Reports which slots contain results for media Stream IDs streams that are currently active. HST-3000 IP Video Testing User’s Guide...
  • Page 58 The IP address of the stream. Port The RTSP port of the stream. NOTE: The State, Type, IP address, and Port results refer to the media stream, not the signaling protocol (IGMP or RTSP) that brought up the stream. HST-3000 IP Video Testing User’s Guide...

  • Page 59: Stream Qos Results

    Cont. Err MPEG2 Continuity Errors or lost packets, in percent. Overall A rating (good, fair, poor) of the combination of jitter, latency, and cont.err. (FAIL if any one item is a fail status). HST-3000 IP Video Testing User’s Guide...
  • Page 60 Table 11 MOS Details results Result Description PID, Desc. Provides the PIDs (Packet Identifiers) for each piece (video, audio, and data) of the video program stream, as well as the description of the service. HST-3000 IP Video Testing User’s Guide...
  • Page 61 Its normal range is 0-50, but the statistic is scaled to the MOS (0-5) range for comparison with the other scores. Audio MOS MOS estimation based on all factors for the audio stream. HST-3000 IP Video Testing User’s Guide...

  • Page 62: Rtp Results

    (bitrate, GOP Size, etc.) Recency Amount of degradation caused by recent impairments. RTP results The RTP results display RTP loss statistics typically used to measure the transport quality of the stream. HST-3000 IP Video Testing User’s Guide...
  • Page 63 The maximum of all of the “RTP Loss Current Period Err.” Err. values, over the lifetime of the stream. RTP Loss Total Period “Loss Period Errors” measured over the lifetime of the stream. Err. HST-3000 IP Video Testing User’s Guide...

  • Page 64: Loss Summary Results

    FEC/RUDP errors as well as the FEC/RUDP rate. Loss Summary results This category provides information on lost packets. An example of the Loss Summary screen is shown in Figure Figure 8 Loss Summary results HST-3000 IP Video Testing User’s Guide...
  • Page 65 VDSL RX Packet Number of VDSL packet errors received. Errors (Appears only if testing on VDSL inter- face) VDSL RX Packet Number of dropped VDSL frames Drops received. (Appears only if testing on VDSL interface) HST-3000 IP Video Testing User’s Guide...

  • Page 66: Packet Statistics

    The measure of time to complete a program change. For exam- ple, in broadcast video, it is the time between the IGMP join message is sent to the time the first video packet is received. HST-3000 IP Video Testing User’s Guide...

  • Page 67: Stream (Ts) Statistics

    This category provides statistics for each test stream (TS) of video. Statistics are kept on up to three streams. An example of the TS statistics screen is shown in Figure Figure 10 TS statistics results HST-3000 IP Video Testing User’s Guide...
  • Page 68 Current/Max the MPEG2 program clock reference. NOTE: The Error Indicator is set by the video stream encoder when it detects corrupted source content. Typically any count will result in an anomaly on the TV. HST-3000 IP Video Testing User’s Guide...

  • Page 69: Stream Rates

    An example of the Stream rates screen is shown in Figure Figure 11 Stream rates results The “IP Total” statistics measure the bandwidth used by the video stream, including the UDP and IP headers. HST-3000 IP Video Testing User’s Guide...

  • Page 70: Pid Map Results

    An example of the PID map results screen is shown in Figure Figure 12 PID Map results NOTE: The PAT and PMT items are table data inserted into the stream to enable the decoder to perform correctly. These two items should always be present. HST-3000 IP Video Testing User’s Guide...

  • Page 71: Video Totals Results

    Internet data or Internet data and VoIP data. Table 17 describes the Video Totals. Table 17 Video Totals Result Description Combined Video Total video bandwidth Rates HST-3000 IP Video Testing User’s Guide...
  • Page 72 Time, in milliseconds, of a MSTV command message to its appropriate response, including ICC request and status. MSTV Request The number of occurrences where a Timeouts timeout was reached while waiting for a transmitted frame to return. HST-3000 IP Video Testing User’s Guide...

  • Page 73: Monitor Log

    The Video Error Log category reports any state change for each of the QoS parameters (for example, delay change from fail to pass). An example of the Video Error Log result screen is shown in Figure Figure 15 Video Error Log results HST-3000 IP Video Testing User’s Guide...

  • Page 74: Class Of Service Results

    320 seconds of data (on a first-in-first-out basis), and then it saves the graph. The graph is saved in the CoS/ Graphs directory, which you can view using the File manager (in the System>Tools menu). HST-3000 IP Video Testing User’s Guide...

  • Page 75: Status

    PCR jitter. If a stream shows a PCR jitter value of 10% or more above the other stream or streams, there is a content issue. Any Error Indicator count indicates a content issue. Any PMT or PAT error condition due to scrambling “on” is a content issue. HST-3000 IP Video Testing User’s Guide...

  • Page 76: Packet

    Physical layer stats are all those available on a given interface such as un-correctable block errors for ADSL. Packet If there is any packet loss, this screen provides visibility into the possible location, as shown in Figure Figure 18 CoS Packet statistics HST-3000 IP Video Testing User’s Guide...

  • Page 77: Config

    You can make changes and then press Cancel to move back to this screen. The key summary data shown displays the configuration that would change most often once the basic applications are indi- vidually configured. HST-3000 IP Video Testing User’s Guide...
  • Page 78 Chapter 3 Interpreting Test Results Class of Service results HST-3000 IP Video Testing User’s Guide...

  • Page 79: Appendix A Technology And Methodology

    Topics discussed in this appendix include the following: – “About IP video technology” on page 64 – “Service Testing and Troubleshooting methodology” on page 71 HST-3000 IP Video Testing User’s Guide...

  • Page 80: About Ip Video Technology

    VOD media requests. While networks are rising to the challenge, measurement of the accumulated effects of the network on critical application specific QoS parameters must be made at the premise during HST-3000 IP Video Testing User’s Guide...

  • Page 81: Content Quality

    PCR (Program Clock Reference) jitter and the video transport packet Error Indicator bit status. HST-3000 IP Video Testing User’s Guide...

  • Page 82: Pcr Jitter

    STB design. In today's typical packet video networks, however, PCR jitter should be less than 10 msec and preferably less than 5 msec depending on decoder/STB designs. HST-3000 IP Video Testing User’s Guide...

  • Page 83: Transport Error Indicator

    MPEG-2 Transport packets. Thus, losing 1 IP frame will result in losing 7 MPEG-2 Transport packets. Conversely, if the MPEG-2 Continuity Counter jumped by 7 between 2 consec- utive MPEG-2 packets, one can observe with a fair amount of HST-3000 IP Video Testing User’s Guide...

  • Page 84: Packet Jitter

    (join) the requestor to an existing broad- cast channel flow. This parameter measures the network performance, but not the end user experience for the channel changing time. The IGMP latency plus the time it takes to fill HST-3000 IP Video Testing User’s Guide...
  • Page 85 DSLAM, the join is performed. If the requested program was not available at the DSLAM, the IGMP messages would continue up-stream to a location, a Video Hub Office possibly, HST-3000 IP Video Testing User’s Guide...

  • Page 86: Summary

    However, looking at a single program flow may not reveal the whole picture so to speak as it relates to actual service. Since some impairments are source specific and some are network performance specific, it is important to make these measure- HST-3000 IP Video Testing User’s Guide...

  • Page 87: Service Testing And Troubleshooting Methodology

    If packet loss is present, analysis of the physical layer at the xDSL interface or Ethernet interface will aid in sectionalization. If no physical layer errors HST-3000 IP Video Testing User’s Guide...

  • Page 88: Pcr Jitter

    However, if a multiple program feed in the head end is experiencing problems, more than one program/channel could be affected. Analyzing a channel from another source, or different feed would be instructive. HST-3000 IP Video Testing User’s Guide...

  • Page 89: Igmp Latency

    22: PCR Jitter and Latency (IGMP Latency = channel changing time not including example Decoder buffer file and decode times). These parameters summarize the video quality of the selected program flow. Figure 22 Stream QoS results HST-3000 IP Video Testing User’s Guide...
  • Page 90 More importantly, the Error Indicator count will reveal a content problem. Figure 24 shows the stream statistics. Figure 24 Stream statistics results The video may show poor quality with only the Error Indicator count showing a problem. Any count is bad. HST-3000 IP Video Testing User’s Guide...

  • Page 91: Glossary

    Line Access Multiplexer BTV — Broadcast TV Ethernet — One of the most common local area network CPE — Customer Premises (LAN) technologies. It operates Equipment over a variety of physical media and various speeds. Most HST-3000 IP Video Testing User’s Guide...
  • Page 92 IGMP — Internet Group network. Management Protocol Internet Protocol (IP) — The network layer protocol for the Internet protocol suite. MAC — Media Access Control MOS — Mean Opinion Score HST-3000 IP Video Testing User’s Guide...
  • Page 93 Trace route — The capability to traffic takes from its source to its evaluate the hops taken from destination. The route a data- one end of a link to the other on a TCP/IP network. HST-3000 IP Video Testing User’s Guide...
  • Page 94 UDP — User Datagram VC — Virtual Channel Protocol. A connectionless protocol with very limited error VCI — Virtual Channel Identifier recovery capabilities. VLAN — Virtual LAN VOD — Video On Demand VPI — Virtual Path Identifier HST-3000 IP Video Testing User’s Guide...
  • Page 95 Analyzing the transport stream Error log Assumptions Ethernet Auto Broadcast connector defined Capabilities Features 2, Compliance information Connections Conventions xiii Headset connector Delay, defined Deleting a video channel IP address, defined Detecting streams automatically HST-3000 IP Video Testing User’s Guide...
  • Page 96 Saving results at specified intervals Video totals 36–37 Video settings 19, 21, Saving test results 36–37 Virtual channel indicator 11, 12, Security, 802.1x settings Virtual path indicator 11, 12, Setup test settings 8–18 video 19–24 HST-3000 IP Video Testing User’s Guide...
  • Page 98 Communcations 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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