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Document reference: L-ISA Processor II owner's manual (EN) version 1.0
Distribution date: March 22, 2022

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 2022 L-Acoustics. All rights reserved.

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Summary of Contents for L-ISA Processor II

Page 1: ...L ISA Processor II owner s manual EN ...

Page 2: ...owner s manual EN version 1 0 Distribution date March 22 2022 2022 L Acoustics All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means without the express written consent of the publisher ...

Page 3: ...tputs 14 DSP architecture 14 USB ports 15 Power supply 15 Monitoring and control 15 User interface 15 Remote control network 15 Inspection and preventive maintenance 16 How to do preventive maintenance 16 External structure 16 Cleanness 17 Normal start up sequence 17 Network functionalities and rmware 17 Installation 18 Mounting 18 Ventilation 19 Audio and network cabling 20 Connection panels 20 N...

Page 4: ...duction 28 Presentation 28 Equipment and tools 28 Screws and fasteners repair kit 29 Troubleshooting and diagnosis 29 Power issues 29 Interface issues 29 Network issues 30 Sound issues 30 L ISA Processor II exploded view 32 External modules 32 Disassembly and Reassembly procedures 33 D R Grill 33 D R Handles 34 D R Front brackets 35 D R Rear brackets 36 D R Rear brackets support screws 37 D R Rear...

Page 5: ...Appendix A Glossary 42 Appendix B Approvals 43 5 ...

Page 6: ...ained personnel for professional applications As part of a continuous evolution of techniques and standards L Acoustics reserves the right to change the speci cations of its products and the content of its documents without prior notice Check www l acoustics com on a regular basis to download the latest document and software updates Beware of sound levels Do not stay within close proximity of loud...

Page 7: ...dangerous voltage within the product s enclosure that may be of suf cient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the product Do not open unless authorized This symbol indicates the presence of elec...

Page 8: ...ll AVB streams L ISA Processor II is remotely controlled and monitored using the L ISA Controller software How to use this manual The L ISA Processor II owner s manual is intended for all actors involved in the system design implementation preventive and corrective maintenance of the L ISA Processor II product It must be used as follows 1 Read the technical description for an overview of all produ...

Page 9: ...er about instructions that must be strictly followed to ensure safe installation or operation of the product This symbol indicates a potential risk of electrical injury It can also notify the user about instructions that must be strictly followed to ensure safe installation or operation of the product This symbol noti es the user about instructions that must be strictly followed to ensure proper i...

Page 10: ...DOE100 100 m 328 1 ft In AVB networks for lengths greater than 80 m 262 ft from the processor to the listeners add LS10 as a relay in between Software applications L ISA Controller Software suite for object based mixing and remote control of L ISA processors Refer to the L ISA Controller help System component illustrations Cables 2 m 45 m 100 m red black red black 6 6 ft 147 6 ft 328 1 ft DOE cabl...

Page 11: ...System components Network switch LS10 L ISA Processor II owner s manual EN version 1 0 11 ...

Page 12: ...or AVB network 2 HDMI port for maintenance use only 8 1 Gb s Ethernet etherCON I O connector for remote control 3 USB 3 1 ports for maintenance use only 9 female XLR AES EBU input connector 4 V Lock compatible IEC C13 power connectors 10 male XLR AES EBU output connector 5 MADI input BNC connectors 11 word clock input BNC connector 6 MADI output BNC connector 12 word clock output BNC connector The...

Page 13: ...ix MADI and AVB channels from the same device due to latency differences of the stream formats 1 ms In addition L ISA Processor II features one XLR input connector capable of retrieving two AES EBU channels MADI L ISA Processor II can receive up to 192 channels at 44 1 kHz 48 kHz or up to 96 channels at 96 kHz using the three MADI input BNC connectors on the rear panel AES EBU L ISA Processor II c...

Page 14: ...el The connector is a male XLR3 Milan AVB L ISA Processor II can distribute up to 16 redundant streams of up to 8 channels for a total of 128 AVB channels L ISA Processor II can also distribute one CRF stream unless all 16 stream outputs are already being used for AVB channels distribution In this case one of the stream output must be dedicated to the CRF stream Each connector uses a high speed da...

Page 15: ... control User interface The LED display provides real time monitoring functionalities power control status clock synchronization word clock input signal presence clipping output signal presence clipping Refer to section Operation p 24 for detailed operating instructions Remote control network The computer running L ISA Controller and the processors are connected with industry standard CAT5e U FTP ...

Page 16: ...ture p 16 Cleanness p 17 Functionalities At least once a year Normal start up sequence p 17 Network functionalities and rmware p 17 External structure The indicates a visual inspection side brackets front handles and rear brackets are present and not damaged front grills are clean and not damaged see also Cleanness p 17 front connectors chassis and LEDs are not damaged rear connectors are not dama...

Page 17: ... the CONTROL Ethernet port of the processor to an Ethernet port of a computer running L ISA Controller Use the CAT5e U FTP cable 2 Run L ISA Controller 3 Check that the processor is detected as available in the Processors view Refer to the L ISA Controller Help 4 Check that all processors in the system run the same version of the rmware and that it matches the version of L ISA Controller in use 5 ...

Page 18: ...imensions 483 mm 19 in 458 mm 18 in 465 mm 18 3 in 433 mm 17 in 133 35 mm 5 25 in 121 mm 4 7 in 24 3 mm 1 in Risk of damaging L ISA Processor II L ISA Processor II should be rear supported in addition to the front panel mounting Use the rear brackets provided with L ISA Processor II Any mechanical damage to L ISA Processor II used without rear support is not covered by warranty L ISA Processor II ...

Page 19: ... in from any external object or structure Ensure that the front and rear grills are clean and dirt free Do not block the front and rear ventilation grills Ventilation when rack mounted Do not block the ventilation grills with front or back panels or doors If not possible use a forced ventilation system When stacking more than one processor in a rack mount them directly on top of each other or clos...

Page 20: ...ve 192 inputs at 44 1 kHz 48 kHz or 96 inputs at 96 kHz The BNC output connector can send 64 outputs at 44 1 kHz 48 kHz or 32 outputs at 96 kHz AES EBU connectors The AES EBU input connector can receive two digital input signals The AES EBU output connector can send two digital output signals Supported digital input format Standards AES EBU AES3 or electrical S PDIF IEC 60958 Type II Sampling freq...

Page 21: ...er and the plugin or the processor may appear partially of ine on the L ISA Controller L ISA Controller needs an Internet connection in order to activate the license For emergency license activation through L ISA Processor II the L ISA Controller and L ISA Processor II must be able to use UDP port 11389 over multicast IP address 239 255 84 167 L ISA network using xed IP LA Network Manager L ISA Co...

Page 22: ... apparatus to two live wires of a 120 V three phase circuit Never try to emulate a 200 V circuit connecting an apparatus to two live wires of a 100 V three phase circuit Power cord The removable power cord is tted with a V Lock compatible IEC connector at one end and a country speci c plug at the other end type plug cable ratings live neutral ground CE CEE7 VII earthed CN GB 2099 earthed INT bare ...

Page 23: ... II CAUTION RISKOF ELECTRICALSHOCK DO NOT OPEN 2 Connect the power cord country speci c plug to the mains socket What to do next For power supply redundancy repeat the procedure with another power cord and the power supply unit PSU 2 socket Power consumption L ISA Processor II power requirement is 150 W drawn from one of the two power supply unit PSU sockets L ISA Processor II owner s manual EN ve...

Page 24: ... sequence fails the SYNC WORD IN and OUT LEDs ash in red The POWER LED is lit in green when the processor is powered by both power supplies orange when the processor is powered by only one power supply All LEDs ash in orange when identifying the device via an AVDECC controller During a rmware update the LEDs display an orange chase pattern If the update fails all LEDs ash in red Front panel LEDs C...

Page 25: ...he clock source off the processor does not detect any valid signal to use for clock source red the DSP is starting or restarting because of a clock source change orange at least one of the incoming signals is not synchronized with the selected clock source green all incoming signals are synchronized with the selected clock source WORD The WORD LED on the front panel displays the status of the word...

Page 26: ...ated to be immediately usable in case of hard drive failure Equipment computer with L ISA Controller version 2 3 x minimum CAT5e U FTP cable Procedure 1 Run L ISA Controller 2 Update L ISA Controller to the latest version 3 Connect the CONTROL Ethernet port of the processor to an Ethernet port of the computer running L ISA Controller Use a CAT5e U FTP cable 4 Check that the processor is detected a...

Page 27: ...ebooting L ISA Processor II using the emergency USB key Procedure 1 Power off the processor 2 Connect the USB key to the USB 1 or USB 2 port on the rear panel or to the USB port on the front panel 3 Power on the processor The processor boots up on the USB backup system What to do next Contact your Certi ed Provider or your L Acoustics representative for corrective maintenance Other operations The ...

Page 28: ...ary repair kit s Disassembly and Reassembly procedures p 33 This section contains the maintenance procedures for each assembly identi ed in the exploded view Inspection and preventive maintenance p 16 These checks allow to detect an issue The quality control must be performed regularly Equipment and tools Equipment Before performing maintenance on this product make sure all the equipments listed a...

Page 29: ... power cord is connected to mains check that the IEC C13 connector is properly connected and locked mains failure or incompatible voltage check that mains are available and that voltage is compatible 100 V AC 240 V AC 10 50 Hz 60 Hz power cord is damaged inspect the power cord and replace it if necessary other causes contact L Acoustics Interface issues Start up sequence fails SYNC WORD IN OUT LED...

Page 30: ...ected to the processor disconnect all other software clients rmware failure restart the processor other causes contact L Acoustics Sound issues No sound possible cause diagnosis procedure mains failure inspect the mains inputs outputs are muted unmute the inputs outputs gain value is too low set an appropriate ouput gain value If there are fallbacks enabled set an appropriate input gain value inco...

Page 31: ...abled set an appropriate input gain value output gain value too high on the audio source set an appropriate output gain value on the audio source refer to the third party documentation input switched to an analog fallback with an incorrect input gain value set an appropriate input gain value and inspect the digital audio source for failure Reminder A digital audio source can meet the following fai...

Page 32: ...bly D R procedure and the necessary repair kit Spare screws and fasteners Assemblies indicated by a order G03664 KR external screws L ISA Processor II for spares External modules Rear brackets support screws G03664 Rear brackets G03668 Rear connectors brackets G03669 Front brackets G03667 Handles G03663 Grill G03666 32 L ISA Processor II owner s manual EN version 1 0 ...

Page 33: ...ill Tools torque screwdriver T10 Torx bit Repair kit G03666 G03664 KR grill L ISA Processor II KR external screws L ISA Processor II 1 23 103076 S100236 L ISA Processor II grill M3 10 Torx Exploded view x6 0 6 N m T10 L ISA Processor II owner s manual EN version 1 0 33 ...

Page 34: ...KR external screws L ISA Processor II 2 4 103190 S100214 L ISA Processor II front handle M3 5 16 Torx Prerequisite Grill disassembled See D R Grill p 33 Exploded view S100214 are self drilling screws For safety reasons always use new front handles for reassembly x4 0 6 N m T15 34 L ISA Processor II owner s manual EN version 1 0 ...

Page 35: ...nt brackets L ISA Processor II KR external screws L ISA Processor II 2 12 102838 S100085 L ISA Processor II front bracket M4 10 Torx Prerequisite Grill disassembled See D R Grill p 33 Front handles disassembled See D R Handles p 34 Exploded view x6 1 8 N m T20 L ISA Processor II owner s manual EN version 1 0 35 ...

Page 36: ...Corrective maintenance D R Rear brackets Repair kit G03668 KR rear brackets L ISA Processor II 2 102845 L ISA Processor II rear bracket Exploded view 36 L ISA Processor II owner s manual EN version 1 0 ...

Page 37: ...driver 3 mm hex bit T15 Torx bit Repair kit G03664 KR external screws L ISA Processor II 2 2 2 1352 S100059 S184 spacer for rear bracket M4 12 Torx M4 8 hex socket head cap screw Exploded view x1 1 8 N m 3 mm x1 1 8 N m T15 L ISA Processor II owner s manual EN version 1 0 37 ...

Page 38: ...0 Torx bit Repair kit G03669 G03664 KR rear connectors brackets L ISA Processor II KR external screws L ISA Processor II 2 23 103097 S100236 L ISA Processor II connectors protection bracket M3 10 Torx Exploded view x8 1 8 N m T10 38 L ISA Processor II owner s manual EN version 1 0 ...

Page 39: ...eld 1 m max 50 C ambient 46 dBA Inputs and outputs Audio inputs 64 AVB channels 8 redundant streams of up to 8 channels Milan AVB 2 etherCON Gigabit ports for AVB primary and secondary 192 channels at 44 1 kHz 48 kHz or 96 channels at 96 kHz MADI 3 BNC connectors 2 channels 1 AES3 at 44 1 kHz 48 kHz or 96 kHz AES EBU 1 XLR female connector Audio outputs 128 AVB channels 16 redundant streams of up ...

Page 40: ...rsion MADI to AVB or AVB to MADI Direct audio routing AVB to AVB stream multiplexing Sampling rates 44 1 kHz MADI and AES EBU only 48 kHz 96 kHz Latency inputs to outputs 3 2 ms Boot time to AVB audio pass through 31 s Remote control and monitoring Network connection Ethernet Gigabit interface with etherCON connectors L ISA remote control software L ISA Controller Third party management solutions ...

Page 41: ...Speci cations L ISA Processor II 483 mm 19 in 458 mm 18 in 465 mm 18 3 in 433 mm 17 in 133 35 mm 5 25 in 121 mm 4 7 in 24 3 mm 1 in L ISA Processor II owner s manual EN version 1 0 41 ...

Page 42: ...na D R disassembly reassembly procedure INT international bare lead version of the power cable KR repair kit SMPS Switched Mode Power Supply power supply inside of the ampli ed controller US United States 42 L ISA Processor II owner s manual EN version 1 0 ...

Page 43: ...provals L ISA Processor II is compliant with the following Avnu Alliance and the Avnu design mark are registered trademarks and or service marks of Avnu Alliance L ISA Processor II owner s manual EN version 1 0 43 ...

Page 44: ...L Acoustics 13 rue Levacher Cintrat 91460 Marcoussis France 33 1 69 63 69 63 info l acoustics com www l acoustics com ...

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