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Chapter 8 | 40

Specifications

Front Panel Controls and Indicators

♦

5-key navigation cluster; graphical color LCD display; LED status indicators for each power supply, status,
and reference

Power

♦

Dual internal redundant auto-ranging power supplies, each rated at 100-264VAC, 50/60Hz, 100 Watts
maximum

Dimensions and Weight

♦

19”W x 9”D x 1.75” H (approximately 48.2 x 22.0 x 4.5 cm)

♦

Net weight approximately 9.0 pounds (4.08kg)

♦

Shipping dimensions 22”W x 20”D x 7”H (approximately 55.6 x 50.8 x 17.8 cm)

♦

Shipping weight approximately 16 pounds (7.26kg)

Environmental

♦

Operating temperature 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit)

♦

Non-operating temperature -20 to 70 degrees Celsius (-4 to 158 degrees Fahrenheit)

Intended Location

♦

Telecommunications center or dedicated computer/machine room

Regulatory

♦

North America – FCC and CE tested and compliant with UL-approved power supplies

♦

Europe – Complies with European Union Directive 2002/95/EC on the restriction of use of certain haz-
ardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions
2005/618/EC, 2005/717/EC, 2005/747/EC (RoHS directive), and WEEE

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Содержание LA-5291

Страница 1: ...Linear Acoustic LA 5291 Professional Audio Encoder Installation User s Guide V1 0 25 June 2020 2001 00525 000 TelosAlliance com...

Страница 2: ...cted to a proper ground system with 20 14 AWG 0 5 1 5mm wire This symbol whenever it appears indicates a fuse to protect against excessive current When replacing fuses use only the type and rating of...

Страница 3: ...ques d passant les limites applicables aux appareils num riques de Class A prescrites dans le r glement sur le brouillage radio lectrique dict par le minist re des communications du Canada CE CONFORMA...

Страница 4: ...astern Time Monday through Friday By Email Non emergency technical support is available at Support TelosAlliance com ByWeb The Telos Web site has a variety of information that may be useful for produc...

Страница 5: ...r product today to get the full benefits of our warranty support and product updates telosalliance com product registration TheTelos Alliance 1241 Superior Ave Cleveland OH 44114 USA 1 216 241 7225 Fo...

Страница 6: ...Interface 8 Physical Installation 8 Power 8 Front Panel Buttons 8 The Home Screen 9 The Information Screen 9 IP Configuration Screen 10 Locate Mode 11 Special Function Key Presses 11 Factory Reset 11...

Страница 7: ...theTranscoder 34 Transcoding Basics 34 AdvancedTranscoder Controls 36 Decoder Metadata Screen 37 8 Specifications 38 Coding 38 Decoding 38 Transcoding 38 Encoding 38 I O 38 SDI I O 38 AES 3 I O 38 AE...

Страница 8: ......

Страница 9: ...thatinspireourcustomerstocreatethemostexcitingandengagingaudioexperiencesimaginable We re grateful that you have chosen audio tools from Telos Systems Omnia Audio Axia Audio Linear Acoustic 25 Seven S...

Страница 10: ...us JOC for direct transmission to the viewer In the broadcast center it can decode an incoming ED2 stream from the venue and send the PCM audio through the facility for mixing in with studio shows and...

Страница 11: ...DP590 ingests PCM audio over a MADI connection which can be a combination of stem mixes and objects The DP590 outputs a rendered presentation over MADI for monitoring The DP590 functions may be contro...

Страница 12: ...olby ED2 or Dolby Digital Plus JOC and outputs it via SDI 2x AES 3 or AES67 Figure 1 2 Contribution encoding HeadendTranscoding In this example the LA 5291 provides transcoding at the headend The LA 5...

Страница 13: ...er Quad Link 3G SDI Audio Video over IP or AES67 The LA 5291 decodes the coded streams and outputs PCM to route through the facility and mix in with studio shows advertisements and interstitials etc T...

Страница 14: ......

Страница 15: ...the unit 2 1D and sync for the reference clock 2 1E A color LCD display to show status and basic configuration parameters 2 1F A five button navigation cluster with Left Right Up and Down arrows plus...

Страница 16: ...outputs 2 2C on female BNC connectors Quad Link SDI or MADI I O 2 2D optional Five AES 3 I O connections 2 2E on female BNC connectors Parallel GPI O control port female DB 15 for five inputs and fiv...

Страница 17: ...ected by type T1AL25V fuses Remem ber that while redundant supplies do protect against the unit losing power in the event of a PSU failure the loss of mains supply voltage is a bigger concern Accordin...

Страница 18: ...Red indicates an inactive or missing reference Figure 3 1 Front panel Home screen The Information Screen Pressing the Right button navigates to the Information screen The name of this particular LA 5...

Страница 19: ...t the LA 5291 will automatically obtain an IP address from a DHCP server which will suffice to provide initial remote access to the unit for configuration purposes A fixed IP address will be preferred...

Страница 20: ...up with a way to help you identify an individual unit When you enable the Locate Mode from the remote user interface the unit s front panel display will repeatedly change color until Locate Mode has...

Страница 21: ...rocesses from the signal path and connects each SDI and AES 3 input directly to its corresponding output To toggle the relay bypass on and off simultaneously press and hold the Left Down and Right key...

Страница 22: ......

Страница 23: ...ould not be connected to a common network with the same netmask subnet No special client software is required and the HTML 5 based GUI is device operating system and browser agnostic We recommend usin...

Страница 24: ...tion about the input or output bitstream depending on the workflow selected See the section LA5921 Home Screen When Logged In below for detailed information The Locate Unit feature 4 1E which causes t...

Страница 25: ...itional menus become visible once you are logged in These include the transcoder controls 4 2A the I O menus 4 2B which include clock GPI O and delay controls and detailed system wide information and...

Страница 26: ......

Страница 27: ...st SDI I O is active at this time The second path will be enabled in a future firmware update Any visible and accessible AES67 networked audio source can be input into LA 5291 for decoding transcoding...

Страница 28: ...puts 5 2A The second step is routing the audio from these inputs into the transcoder input 5 2B Routing a signal to the output is a similar two step process The first step is creating an output group...

Страница 29: ...lick and select Create Input Group You may enter a custom name for this source in the Label field 5 3C and customize the color 5 3B of the graphical routing lines Click the Save button 5 3D to save th...

Страница 30: ...l is highlighted 5 4B The LA 5291 will look for a signal first on the inputs connected to Priority 1 If no signal is present it will look to subsequent priorities in order Important Priorities must be...

Страница 31: ...g input group Creating an Output Group The steps for creating an output group are identical to creating an input group but with the Outputs menu RoutingTranscoded Audio to the Physical Output Once the...

Страница 32: ...elay is provided in the Delays sub menu of the I O menu 5 7A Click on the millisecond and or microsecond fields in the Video Delay section 5 7B and type in the required value If the output needs to be...

Страница 33: ...re are no SRCs in the AES67 path The SRCs can be enabled and disabled per pair by first highlighting then clicking on the appropriate input or output pair and then selecting Channel Settings 5 8A Impo...

Страница 34: ...d SDI output the reference signal present on the SDI input must be used When using AES 3 I O the LA 5291 can be referenced to either the AES 3 clock using the SRCs in the SDI path or to the SDI clock...

Страница 35: ...ference Clock 5 9C and if needed a VRef clock source 5 9E The status of the selected Primary and Secondary Reference Clocks is shown to the right of the dropdown menu 5 9D The absence or presence of a...

Страница 36: ...ardware Relay Bypass GPO functions 5 10D include None GPI Passthrough Power Supply 1 up Power Supply 2 up Power Supply 1 down Power Supply 2 down Unit resetting Unit rebooting Unit powering down Unit...

Страница 37: ...the duration of the closure on GPIs For GPOs it will light for the duration of the active event At this time there are no user defined Parameters 5 10C associated with any GPI or GPO Should functions...

Страница 38: ......

Страница 39: ...n then click on the green check mark to save The LA 5291 has two software banks 6 1H Both can be populated with different software versions but only one version can be active at any given time The act...

Страница 40: ...button 6 1E wait for it reboots the LA 5291 and engages the hard relay bypass for the duration of the reboot process Important During the reboot process which typically takes less the one minute no tr...

Страница 41: ...commend backing up your configuration to a computer before performing a factory reset to avoid re setter s remorse You have been warned IP Configuration Clicking on the IP Menu 6 2A reveals the contro...

Страница 42: ...n it Click on the Use DHCP button 6 2B to disable DHCP The text of the NET Address Net Mask and Gateway fields which is grayed out when DHCP is enabled will turn white and become editable Once the inf...

Страница 43: ...ed can be customized by clicking on the Program 1 name box 7 1A typing a name and clicking the green checkmark The LA 5291 supports three different workflows selectable in the Workflow dropdown menu 7...

Страница 44: ...ata the metadata values as presented by a Dolby DP590 connected to the Control Ethernet port of the LA 5291 will be used If no metadata is present or if a different channel output format is required t...

Страница 45: ...w is selected all advanced controls except the ED2 Frame Rate are grayed out When the ED2 Decoding workflow is active all advanced controls are grayed out Figure 7 2 Advanced transcoder settings The d...

Страница 46: ...for stereo only listening and where delivering a mono compatible signal is important The Surround Trims control 7 2H and Height Trims control 7 2G adjust the amount of attenuation to their respective...

Страница 47: ...os via Dolby Digital Plus JOC I O SDI I O 3Gb s HD SD SDI input SMPTE ST 425 1 292M and 259M up to 1080p 60 59 94 50Hz Optional Quad Link 3Gb s SDI for 4K workflows mutually exclusive with MADI option...

Страница 48: ...input to SDI output with SRCs disabled 33 5ms SDI input to SDI output with SRCs enabled 36 5ms AES67 input to AES67 output 107ms measurement made using Telos Alliance SDI xNode which has a latency va...

Страница 49: ...55 6 x 50 8 x 17 8 cm Shipping weight approximately 16 pounds 7 26kg Environmental Operating temperature 0 to 50 degrees Celsius 32 to 122 degrees Fahrenheit Non operating temperature 20 to 70 degree...

Страница 50: ...ensing The Linear Acoustic LA 5291 is manufactured under license from Dolby Laboratories Dolby Dolby Audio and the double D symbol are trademarks of Dolby Laboratories Warranty Standard Telos Alliance...

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Страница 53: ...Telos Alliance Warranty Telos Alliance Limited Warranty For the latest Telos Alliance warranty visit telosalliance com warranty...

Страница 54: ......

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Страница 56: ...1241 Superior Ave Cleveland Ohio 44114 USA 1 216 241 7225 TelosAlliance com 2020 TLS Corp All Rights Reserved L20 18192 P N 1490 00228 001 USER MANUAL LA 5291...

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