DAD AX32 User Manual
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Contents
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User Manual AX32Doc no. AX32-8002-A-4 Rev. date 140124 Page 7 of 31General DescriptionThe AX32 Converter System is a modular unit with a basic digital I/O and processing card. The chassis haseight card slots where up to six 8 channel analogue input or output cards can be installed.The chassis can be fitted with one or two power supplies. One power supply is sufficient when using amaximum of 5 cards. In that situation, it is possible to have a second power supply installed as a redundantpower supply. When 6 cards are installed, two power supplies must be installed in order to keep thetemperature in the power supply at a reasonable level. An AX32 with 6 cards can operate on one powersupply only, so the AX32 will not go down if one of the power supplies fail. However it is not recommendedto leave the AX32 operating like this for several days as the lifetime of the remaining power supply may bereduced considerably.AX32 has a slot for an optional I/O mini module. The module can be a dual optical MADI I/O interface using“Small form-factor pluggable” (SFP) transceiver modules, providing 2 x 64 optical MADI channels.The IP audio option for AX32 is established by installing a Dante™ Brooklyn II module internally in the unit.The IP audio will interface to the Ethernet connector via an internal Ethernet switch on the basic digital I/Oand processing card. The switch operates as a bridge between the two RJ 45 Ethernet connectors on therear panel and the internal controller and the Dante™ Brooklyn II module. In normal operation bothconnectors can be used for connecting to Ethernet, and as switch to expand the connection to other units.When the IP audio option is operating in redundant mode the two connectors have redundant IP audiostreams. In this case the control of the unit is made via network connector 1.AX32 is a remote controlled unit. The control interface is the Ethernet connector and the DADman softwarecontrols the units via Ethernet. Some front panel control of the units is also possible.In addition to the AD/DA conversion and digital I/O functionality, AX32 provides a very powerful routermatrix functionality as well. All input signals can be patched to one or more output interfaces on a monochannel basis. So in fact the AX32 is also a digital patch bay.Figure 1 shows an overall block diagram for the AX32 Converter System.AD/mic pre orDA Mains 12xD25Connectors2xBNCConnectors2xSDR-miniConnectors2xRJ45Connectors1xD25Connector0 to 6 x I/O Modules AES11Sync inputWC/VBB inWC sync out2xBNCConnectors1xXLRConnector1xMADI,64 ch. I/O8xAES3,16 ch I/O2xDigiLink,16/64 ch. I/O2xGB EthernetControl and 64ch. IP Audio I/O8 ch. Analoguein or outAD/mic pre orDA1xD25Connector8 ch. Analoguein or outAD/mic pre orDA1xD25Connector8 ch. Analoguein or outI/O CardI/O CardI/O Card2xOpticalSFP Connector2xMADI,128 ch. I/OMini ModuleDanteBrooklyn II moduleIP Audio optionFPGA basedrouter matrix,DSP processorand controllerEthernetGigaBitSwitchPSU 1PSU 2 Mains 2Optional PSUMain boardFigure 1, AX32 block diagram |
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