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Leader LVB440 User Manual

Studio probe
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LVB440 Studio Probe
User's Manual
Applies to software release v6.0
April 2021

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Summary of Contents for Leader LVB440

  • Page 1 LVB440 Studio Probe User’s Manual Applies to software release v6.0 April 2021...

  • Page 3: Table Of Contents

    ........A Appendix: PTP and BMCA B Appendix: 2110 Timing model LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 4: Introduction

    The LVB440 Studio Probe comes with dual 100Gbps network ports, making it a future proof solution. Each LVB440 Studio Probe runs an HTTP server with the client as a web browser, so there is no need to install custom software on computers needing access to the measurement data.

  • Page 5: Safety

    To prevent the system from overheating, do not operate it in an area that exceeds the maximum ambient temperature of 45 degrees Celsius. Do not work on the system or connect or disconnect cables during periods of lightning activity. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 6: Installation And Initial Setup

    ADMIN and the password is either written on a pull-out tab in front of the machine, or on the IPMI-port inside the chassis. On older versions of the hardware, the password was ADMIN. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 7: Accessing The User Interface

    Please note that, for optimum results, Chrome is recommended to manage the LVB440. To connect to the LVB440, you will either have to have mDNS and IPv6 working (typically only on Mac OS) or know the IP. If you have connected to the static management port, the default address should be 10.0.20.101.

  • Page 8: Graphical User Interface

    The default GUI should look similar to the following picture. For more information, refer to chapter 4. Configuring Ethernet settings The LVB440 comes with built in support for editing the network interface settings. To access the system admin interface, point your browser to http://IP/admin/ and log in using the default system username root and the password elvis.

  • Page 9: The Lvb440 Graphical User Interface

    ● Video Streaming Statistics Note that the page uses responsive design. If the viewport is small, some of the sections seen in the screenshots below will not be visible. Network Status LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 10 GPS, this should match your local wall clock. For more detailed information, click the Details button to the right and a drop-down menu will appear as shown in the screenshot below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 11 The Precision Time Protocol (PTP) is used to precisely synchronize all clocks in a computer network. Time is exchanged between the master and slave clocks, with intermediate transparent- or boundary clocks which maintain the timing accuracy. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 12 Specifies the name of the active video flow. Video Format Specifies the video resolution, scan format and frame rate of the active video flow. Bitrate The bitrate of traffic going out of the video engine. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 13 Described in detail on the next page. To view the client performance graphs, RTT (Round-trip Time), Transmit rate, Transmit queue length and retransmission of packets click the Details> button to the right. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 14 Maximum length of time packets heading towards the client were Queue Length queued (held back) by the server due to network congestion between server and client, as to avoid stressing the network. Will LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 15 Each flow is marked with a colour and displayed as a graph. By default all flows are turned on. The flows can be made visible or hidden by clicking on the name of the flow, at the bottom of this view. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 16 The icons to the left illustrate the type of flow you are looking at. The video camera indicates a video flow, the headphones Audio and the speech bubble Ancillary. Each line consists of LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 17 flows click on the button Show Unmonitored in the upper right corner. If you click on one of the flows a new window will open and display an IAT graph for that flow, as shown below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 18 Group Name (“Camera 3”). To add a second class, use the flow names and Group Name together with a new class label. A completed configuration may look like the image below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 19 If the flows are configured correctly, they should be displayed as shown below in the screenshot of the status view. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 20 Note the search box in the top left corner to easily locate the preferred service. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 21 “button” showing OK in this view, either shows OK or ERRORS. The media window is showing a combined IAT / packet loss graph. Network The network view offers three tabs, Flow, Capture and Timing. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 22 Click anywhere on the line to extend the window and see the current status of the selected flow. The new window contains two IAT graphs and detailed measurements as shown in the screenshot below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 23 Used for troubleshooting by capturing packets for analysis. To capture a packet click on the Packet capture button to the left. A drop down menu will appear as shown below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 24 In the main view all captures are listed. For a detailed view, click Details >. The window will be extended as shown in the screenshot below. To download a complete capture click LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 25 Graph shows the time difference between the RTP timestamp and the packet's arrival time. While the RTP Align Offset graph shows the time difference between the RTP timestamp and the Alignment point. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 26 Alignment Point. While the FPT Margin graph shows the time difference between the packet's timestamp at arrival and start of packet read. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 27 The first graph shows average and maximum packets in real time. The maximum value is pre-defined based on the type of transmitter. The second graph shows the number of packets exceeding the maximum allowed value. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 28 flows will be displayed as shown below. In between the primary and secondary flow you can see an illustration of which stream is ahead. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 29 Video The Video view shows the colour scope of the video flow, displayed in three different tabs, Waveform, Vectorscope and Diamond. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 30 YCbCr combines the first two and RGB shows the red, green, and blue components in the video. The buttons at the bottom of the view makes it easy to select the prefered data. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 31 To change the colourimetry, use the buttons at the bottom. Changing the colour space in this view, will change the video picture for all clients. To increase the contrast of the vectorscope, press and hold the eye icon. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 32 If the image is balanced and is showing a grayscale, most of the trace is centered and forms a vertical line. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 33 The audio view shows the audioflows belonging to the specific service. The audioflows are displayed in three different sections of the view, through RMS meters, Goniometer and a LUFS radar. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 34 M axis or be slightly angled according to balance. A stereo signal on the other hand is not symmetrical and will form a jittery cloud. If one of LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 35 15s, 30s, and 3m. By double clicking on the radar you also have the time intervals of 1m and 5m. In addition be able to edit the settings as shown below. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 36 Ancillary The Ancillary view offers two tabs, Overview and SCTE 104. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 37 DID/SDID. Application Reference for that DID/SDID. Packets The number of packets containing this DID/SDID per frame. Words The total User Data Words for that DID/SDID per frame. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 38 SCTE 104 Shows an overview of the SCTE 104 messages that are transmitted. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 39 Probe should have come pre-installed with a license, so this is normally not needed. System Shows information about the health of the system. This includes CPU usage, memory usage, disk I/O, and network traffic, as well as hardware and operating system details. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 40 At the top part of the page two performance graphs are displayed. Firewall NOTE, do not enable firewall without knowing how to configure the settings, you might lose connection to the Probe! LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 41 Interfaces Lists all interfaces assigned to the system. From the main view, the Name of the interface, IP addresses and the activity statistics for sending and receiving data is displayed. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 42 The VLAN will be added to the interface section. Bond, Team and Bridge Are usually not needed in a probe environment – do not attempt to configure unless deep knowledge. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 43 Diagnostic report This page is used to create diagnostic reports which can be used by your support team to debug potential issues within the system. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 44 Also updates the Probe software, it's important to update frequently. Update History Shows the time, date and the number of packages for past updates. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 45 Terminal Opens an in-browser terminal with a command line session to the Cockpit system. In this terminal, you can run commands from your signed-in user account. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 46: The Lvb440 Expert User Interface

    The intention of this page, together with the alarm list, is to provide enough information for the operator to immediately see if there is anything seriously wrong with one or more input streams. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 47 The total bitrate of received data traffic Monitored data: The total bitrate of multicasts and unicasts monitored (analyzed) by the probe At the very bottom of the Summary page, an overview of the Ethernet network interfaces on the LVB440 are displayed. Network interfaces Interface: The ID of the selected network interface.

  • Page 48: Multicasts - Streams

    When the Edit button is clicked it is possible to define the following multicast parameters (note that some parameters are only relevant and selectable when the probe is equipped with the correct options): LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 49 Name: A name should be assigned to each unicast/multicast. The name will be used throughout the LVB440 user interface when referring to this stream. It may also be used by an external management system like the VBC Controller. To add copy of one stream for use with 2022-7, give the two streams the same name, but add a different class to them.
  • Page 50 If a zero source address is specified for a multicast it will be joined without a source. This allows both source specific multicasts and non-source specific multicasts to co-exist in the same network and be joined by the LVB440. SSM source 2: Additional SSM source addresses may be specified to enable back-up solutions.
  • Page 51 Toggle between the default value, based on the signal type, and a specific value, specified in the next field. TR offset value If TR offset mode is not set to the default, then this field will be the TR offset in use. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 52: Data

    5.1.1 Data — Configuration Full and partial configuration of the LVB440 Studio Probe can be exported as XML documents. This is achieved by clicking one of the links inside the Export XML frame. A new browser window pops up containing the selected XML document. The browser will allow the contents of the page to be saved to file.

  • Page 53: Data - Os Update

    Clicking the Debug data export option will generate a document containing debug information that may be useful if LVB440 Studio Probe misbehavior is reported. This file should be sent along with a description of the misbehavior. 5.1.2 Data — OS Update On this page you can update the whole OS, including the probe software to the latest version.
  • Page 54 Please refer to the document Eii External Integration Interface for detailed information about Eii. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 55: A Appendix: Ptp And Bmca

    In order to accommodate the PTP client and BMCA, the setup for PTP in expert view must be correct. The following configurable fields are available: Mode Domain number (0-127) Priority1 (0-255) Sync Interval (-7 to -1) LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 56 ‘Best Master Clock Algorithm’ (BMCA) performs a selection between the available clocks to ensure that the best suitable clock is acting as master at all times. The algorithm compare the clocks in the following order: a) Priority 1 (0-255) LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 57 “1” will be selected as the master without any further comparison in the following steps. This means that that clock will be acting as master as long as it is online, even if it loses sync. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

  • Page 58: B Appendix: 2110 Timing Model

    N FRAME meaning the number of frames since Epoch and T is the time period between FRAME succeeding frames. N*T will depend on the prevailing frame rate. FRAME LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 59 VRXFULL and CMAX for some well used video streams. The Virtual receiver Buffer (VRX) is based on the leaky bucket algorithm and will be drained according to the Packer Read Schedule. In the Timing View, the Virtual LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...
  • Page 60 The maximum value is pre-defined based on the type of transmitter. C overflow shows the number of packets exceeding the maximum allowed value. LVB440 Studio Probe User’s Manual v6.0 © Leader Electronics Corporation...

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