ASTi ACU2 Technical User Manual Download Page 1

Revision A
Version 0
April 2022
Document DOC-HW-AV2-UG-A-0

Advanced Simulation Technology inc.

500A Huntmar Park Drive • Herndon, Virginia 20170 USA

(703) 471-2104 • asti-usa.com

ACU2 (v2)

Technical User

Guide

Summary of Contents for ACU2

Page 1: ...Revision A Version 0 April 2022 Document DOC HW AV2 UG A 0 Advanced Simulation Technology inc 500A Huntmar Park Drive Herndon Virginia 20170 USA 703 471 2104 asti usa com ACU2 v2 Technical User Guide...

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Page 3: ...al User Guide Copyright ASTi 2022 Restricted rights copy and use of this document are subject to terms provided in ASTi s Soft ware License Agreement www asti usa com license html ASTi 500A Huntmar Pa...

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Page 5: ...iv Revision history Date Revision Version Comments 4 4 2022 A 0 Initial baseline version...

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Page 7: ...ions 8 2 5 4 ACENet connection 9 3 0 Audio input and output 11 3 1 Audio input 11 3 1 1 Microphone power 12 3 1 2 Input frequency response 13 3 2 Audio output 13 3 2 1 Audio isolation characteristics...

Page 8: ...the ACU2 v2 20 8 0 Update firmware 21 9 0 Rackmount ACU2 v2 s 22 9 1 Power daisy chain 23 9 2 Bottom mounting diagram 25 10 0 Specifications 26 10 1 Power requirements 26 10 2 Memory devices 27 10 3 T...

Page 9: ...ng stereo operators l Compact footprint each device supports four configurable mono or stereo operator pos itions in a single compact unit which fits easily on a desktop Alternatively rackmount two de...

Page 10: ...hardware configuration below shows an example of an ACU2 v2 hardware configuration Figure 1 ACU2 v2 hardware configuration 2 Copyright 2022 Advanced Simulation Technology inc ACU2 v2 Technical User G...

Page 11: ...v2 has two bezels encompassing the front and rear panels The ACU2 v2 is Conformit Europ ene CE Restriction of Hazardous Substances RoHS certified Remov ing the bezels voids the CE certification Figur...

Page 12: ...ws the length width and height of ACU2 v2 devices with bezels Specification Measurement Length i e depth 7 9 Width 7 489 Height 1 724 Table 1 ACU2 v2 s with bezels Figure 4 ACU2 v2 dimensions below sh...

Page 13: ...Specifications for ACU2 v2 s without bezels 2 3 Weight A packaged ACU2 v2 weighs 2 lbs The power supply included with the ACU2 v2 weighs 0 5 lbs 2 4 Front panel The front panel features four DB 15 co...

Page 14: ...r the ACU2 v2 audio interface Figure 6 Interface connection DB 15 female 2 5 Rear panel Figure 7 Rear panel of ACU2 v2 without bezels below shows the ACU2 v2 rear panel Figure 7 Rear panel of ACU2 v2...

Page 15: ...l Figure 8 RJ 12 pin out RS 422 mode below shows an RJ 12 female serial connection in RS 422 mode Figure 8 RJ 12 pin out RS 422 mode Figure 9 RJ 12 pin out RS 232 mode below shows an RJ 12 female seri...

Page 16: ...ts 2 5 3 DIP switch positions Dual in line package DIP switches toggle between normal operation mode and firmware update mode For additional guidance go to Section 8 0 Update firmware on page 21 Table...

Page 17: ...omer made cables are the primary reason for product failure ASTi recom mends high quality manufactured CAT5e cables Alternatively the ACU2 v2 can connect directly to the Telestra server using a crosso...

Page 18: ...green Network activity Solid or flashing amber One ACENet device per network functions as the ACENet master and is iden tified with a flashing amber light All other ACENet devices should report a soli...

Page 19: ...B 2 dB to 57 dB default value of 40 dB software configurable Note The ACU2 v2 gain covers a total range of 65 dB Between 2 dB and 57 dB the gain can be set in 1 dB steps A value of 8 dB is available f...

Page 20: ...is enabled in the software Figure 11 Microphone power diagram Caution Do not connect a microphone requiring phantom power to an ACU2 v2 device as this will damage the microphone If you are unsure of...

Page 21: ...output below shows an ACU2 v2 s audio output Output Impedance 10 ohms Output Current 0 138 A peak Output Gain 25 dB to 10 dB default value of 10 dB Output Level 2 2 Vpp 78 VAC RMS into 8 ohms Output P...

Page 22: ...2 output channels 90 dB at 4 dBu Ch 1 output to Ch 1 input 110 dB at 4 dBu Ch 1 output to Ch 2 input Ch 1 input to Ch 2 input Table 9 Audio isolation characteristics 3 2 2 Output frequency response Fi...

Page 23: ...pplication Figure 14 Control input timing diagram The control input can be used as an analog input by inserting a resistance between the control input and control input ground pins With this configura...

Page 24: ...a resistance between the control input and control input ground pins With this configuration the ACU2 v2 component in the model will map the voltage to an uint8 value that can be used in modeling your...

Page 25: ...um continuous current rating 120 mA Maximum power dissipation 180 mW Maximum frequency responses 500 Hz Table 10 Digital output Opto isolated FET values 4 2 1 Digital output circuitry Figure 18 Digita...

Page 26: ...gure 19 Mono headset connection below shows a mono headset connection Figure 19 Mono headset connection 5 2 Stereo headset connection Figure 20 Stereo headset connection below shows a stereo headset c...

Page 27: ...Software configuration For software configuration instructions go to the Remote Management System User Guide Copyright 2022 Advanced Simulation Technology inc 19 ACU2 v2 Technical User Guide Rev A Ve...

Page 28: ...tor l Ground wire i e stranded braided or strap wire 18 gauge American wire gauge AWG minimum Figure 21 Grounding Important Do not remove nut 1 from the screw as it will cause the screw to fall inside...

Page 29: ...irmware For ACU2 v2 firmware update instructions for Telestra software go to the Remote Man agement System User Guide Copyright 2022 Advanced Simulation Technology inc 21 ACU2 v2 Technical User Guide...

Page 30: ...screws from each side of the four con nectors 3 Remove the faceplate with the white lettering and the bezel Save the bezel for when you remove the ACU2 v2 from the rackmount 4 Place the ACU2 v2 into t...

Page 31: ...ower daisy chain The power daisy chain connection enables operation of two rack mounted ACU2 v2 units from a single power supply Daisy chaining ACU2 v2 power requires an upgraded power supply model nu...

Page 32: ...23 Power daisy chain connectors below shows power daisy chain connectors Figure 23 Power daisy chain connectors 24 Copyright 2022 Advanced Simulation Technology inc ACU2 v2 Technical User Guide Rev A...

Page 33: ...Copyright 2022 Advanced Simulation Technology inc 25 ACU2 v2 Technical User Guide Rev A Ver 0 9 2 Bottom mounting diagram Figure 24 ACU2 v2 bottom mounting diagram...

Page 34: ...th an IEC 320 C13 or C7 connector i e female line cord Country specific power connectors must be acquired separately for international use Input to PS A R 01 100 240 VAC 50 60 Hz 1 5 ARMS 120 VAC 0 75...

Page 35: ...ed Range Operating Temperature Range 10 C to 32 C 50 F to 90 F Operating Max Temperature Gradient 20 C 68 F per hour Operating Humidity Range 10 to 70 non condensing Storage Temperature Range 0 C to 5...

Page 36: ...should employ some semi rigid contour fitting foam while the exterior container should use a more pliant shock absorbing material such as styro foam peanuts l To prevent possible Electrostatic Dischar...

Page 37: ...is respons ible for return shipping charges on nonwarranty equipment ASTi ships equipment still under warranty back to the customer via FedEx unless otherwise directed ASTi is responsible for return s...

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