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Reference Manual
12G-SDI Digital Audio
Embedder / De-Embedder
This Manual Supports Device Revisions:
PDM 5280 Firmware Revision
LynxCentraal
Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form
or by any means, electronic or mechanical for any purpose, without express written permission of LYNX Technik AG.
LYNX Technik AG may have patents, patent applications, trademarks, copyrights or other intellectual property rights covering the subject
matter in this document. Except as expressly written by LYNX Technik AG, the furnishing of this document does not give you any license to
patents, trademarks, copyrights or other intellectual property of LYNX Technik AG or any of its affiliates.
PDM 5248 DO
PDM 5248 UO
Revision 1.1 – May 2025
© 2025 LYNX Technik AG all rights reserved
1247
8.2.0
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Summary of Contents for LYNXTechnik 5000 Series
- Page 1 Reference Manual PDM 5248 DO PDM 5248 UO 12G-SDI Digital Audio Embedder / De-Embedder Revision 1.1 – May 2025 This Manual Supports Device Revisions: PDM 5280 Firmware Revision 1247 LynxCentraal 8.2.0 Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical for any purpose, without express written permission of LYNX Technik AG.
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Page 2: Table Of Contents
Optional Fiber ..................... 13 Installation ................... 13 Settings and Control ..............14 Auto Store ....................14 Reset Button ....................14 Alarm/LED Status Indicators ............... 14 LED 1: SDI In Status ................... 14 © 2025 LYNXTechnik ® Page 2 of 27... - Page 3 Locate ......................25 New Control Window ................... 25 Rename....................... 26 Save Settings Now ..................26 Lock ......................26 Reset Factory Defaults ................26 Settings Management ................. 26 Service ..................27 Parts List ....................27 © 2025 LYNXTechnik ® Page 3 of 27...
- Page 4 PDM 5248 DO/UO Reference Manual. Rev 1.0 Technical Support ..................27 Contact Information ..............27 © 2025 LYNXTechnik ® Page 4 of 27...
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Page 5: Warranty
TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. LYNX TECHNIK AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTIAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER LYNX TECHNIK OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. © 2025 LYNXTechnik ® Page 5 of 27... -
Page 6: Regulatory Information
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. © 2025 LYNXTechnik ® Page 6 of 27... -
Page 7: Getting Started
Connect the strap to any solid grounding source such as any exposed metal on the rack chassis or any other unpainted metal surface. Caution Periodically check the resistance value of the antistatic strap. The measurement should be between 1 and 10 Megohms. © 2025 LYNXTechnik ® Page 7 of 27... -
Page 8: Product Description
Embedded audio group selection • Embedding into test pattern output video frame with no SDI input signal • Selectable Horizontal and Vertical Video Blanking • Optional optical SDI interface (RX and/or TX) © 2025 LYNXTechnik ® Page 8 of 27... -
Page 9: Functional Diagram
59.94 (1.5G-SDI) 1080p 29.97 SMPTE 424M 1080p 59.94 (3G-SDI) SMPTE 2081 2160p 29.97 (6G-SDI) SMPTE 2082 2160p 47.95 59.94 (12G-SDI) Output Video Formats Output Video Formats are identical to Input Video Formats. © 2025 LYNXTechnik ® Page 9 of 27... -
Page 10: Video And Audio Delay
The factory default setting is “default to the last connected video standard”. This will be 1080i/50 for new modules when delivered from the factory. This can be cleared by connecting a different video input, or by selecting the required video format (using the selections provided). © 2025 LYNXTechnik ® Page 10 of 27... -
Page 11: Module Layout
PDM 5248 DO/UO Reference Manual. Rev 1.0 Module Layout © 2025 LYNXTechnik ® Page 11 of 27... -
Page 12: Connections
XLR connectors. Model number RAC M 25-8 or RAC F 25-8 Figure 1:SubD25 Audio connector (looking into connector from back of module) © 2025 LYNXTechnik ® Page 12 of 27... -
Page 13: Optional Fiber
Remove the rear connection panel and check alignment with the CardModule. 5. Insert and remove the CardModule a few times to ensure correct alignment and then tighten the two screws to secure the rear connection plate. © 2025 LYNXTechnik ® Page 13 of 27... -
Page 14: Settings And Control
(no embedding takes place) SDI input missing ⚫ LED 2: Master LED LED Color Indication Green All used audio inputs present and ok ⚫ • Over Temperature • Fan failure ⚫ • Wrong backplane © 2025 LYNXTechnik ® Page 14 of 27... -
Page 15: Psu Leds
The Locate button (in the “Position” area) is a useful tool to quickly identify a module in larger systems. Activating “Locate” will flash the module’s alarm LED in yellow color. (this does not affect the module’s operation in any way). This function will be stopped automatically (timeout). © 2025 LYNXTechnik ® Page 15 of 27... -
Page 16: Overview
Hovering the mouse pointer over a flexible signal will show a handle. Grab the handle (click-and-hold) with the left mouse button and drag and drop it to the new desired source. More details are shown below. © 2025 LYNXTechnik ® Page 16 of 27... -
Page 17: Timing And Delays
An additional manual User Delay can be applied to the SDI output, offering an additional delay of up to a maximum of 30 additional video frames. This manual user video delay is adjustable in one of two dimensions: © 2025 LYNXTechnik ® Page 17 of 27... -
Page 18: Audio Timing Adjustments
The main difference is the presence of the audio crossbar between those two locations. The general recommendation is to correct for input-related timing problems with the controls that are located at the inputs. And output-related timing adjustments (e.g. © 2025 LYNXTechnik ® Page 18 of 27... -
Page 19: Audio Infrastructure
The Params-Tab contains another parameter with a similar name: “DeembPhaseSyncVerify*”. This parameter is ON by default, and it guarantees phase alignment within a stereo-pair. This is not the same as guaranteeing phase alignment across groups, as explained above. © 2025 LYNXTechnik ® Page 19 of 27... -
Page 20: Audio Content Detection
The following functions are available per mono-channel. Gain Adjustment [-66.3dB … +18dB] Mute [on / off] Mono Downmix per output mono-channel: enable the addition of the other (sibling) mono-channel as a simple (a+b)/2 downmix. © 2025 LYNXTechnik ® Page 20 of 27... -
Page 21: Embedder
24-bit resolution. When embedding SD into 1,5G-SDI, 24-bit embedding is activated by default but can be de-activated (reducing the embedding to 20-bit). This may be required to satisfy some non-standard-compliant SDI de-embedder. © 2025 LYNXTechnik ® Page 21 of 27... -
Page 22: Aes Port Setup
“Save To” to open the dialog box. 2. Select one of the User Preset slots (click the button to the right). Optionally: rename the User Preset. (max 8 characters). 3. Click “Save” © 2025 LYNXTechnik ® Page 22 of 27... -
Page 23: Device Event Tab
GUI is just a graphical control of a parameter listed on this page. There are, however, several parameters for more detailed control that are only accessible in this list of parameters on the “Params” tab. © 2025 LYNXTechnik ® Page 23 of 27... -
Page 24: All Control Is Through Parameters
The LYNX SNMP Control provides one OID (numerical address in the MIB) per individual Parameters. The exact mapping of the Parameter Code to OID is provided in the MIB files. See https://support.lynx- technik.com/support/solutions/articles/1000037159-appolo-controlsystem- quickstart-guide for details. © 2025 LYNXTechnik ® Page 24 of 27... -
Page 25: General Gui Functions
Selecting this option will open a separate GUI window showing just the controls for the current module. This new window can be used to arrange multiple devices on your desktop or similar. © 2025 LYNXTechnik ® Page 25 of 27... -
Page 26: Rename
The complete current configuration of one device can be copied into an internal “clipboard” and pasted onto a different device of the same type. Alternatively, the complete current configuration can be stored in a local file (as a very simple single- device backup). © 2025 LYNXTechnik ® Page 26 of 27... -
Page 27: Service
E-Mail info@lynx-technik.com LYNX Technik manufactures a complete range of high-quality modular products for broadcast and Professional markets. Please contact your local representative or visit our web site for more product information. © 2025 LYNXTechnik ® Page 27 of 27...
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