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AAV-MUX

Analogue audio embedder

Product Manual

Rev. 1

Network Electronics ASA

Thorøya

Sandefjord, Norway

Phone: +47 33 48 99 99

Fax: +47 33 48 99 98

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Summary of Contents for AAV-MUX

Page 1: ...AAV MUX Analogue audio embedder Product Manual Rev 1 Network Electronics ASA Thorøya Sandefjord Norway Phone 47 33 48 99 99 Fax 47 33 48 99 98 ...

Page 2: ...site http www network electronics com Current revision of this document is the uppermost in the table below Revision Replaces Date Change Description 1 0 06 02 06 Updated CWDM laser options 0 D 01 06 05 GPI specifications GPI pinning layout D C Revised specifications audio LED is green not orange C B DIP drawing for r0410 board Tidying and LED description changes B A EDH functions DIP drawing and ...

Page 3: ...LED DESCRIPTION 7 4 CONFIGURATION 7 4 1 DIP switches 8 4 1 1 Input gain 8 4 1 2 Group selection 8 4 1 3 20 24 8 4 1 4 no EDH 8 4 1 5 Monitoring the status with Gyda 9 5 LIMITATIONS 9 6 CONNECTOR MODULES 10 6 1 AV MUX C1 10 6 2 GPI Control Connections 11 7 MODULE STATUS 11 7 1 LED Overview 12 8 LASER SAFETY PRECAUTIONS 13 9 DECLARATION OF CONFORMITY WITH CE 14 10 ENVIRONMENTAL REQUIREMENTS FOR NETW...

Page 4: ... multi mode optical fibre The card has a serial digital video input and a serial digital video output There is an optional optical output with a choice of lasers The CWDM and the 1550nm lasers and have output powers of 0 dBm while the 1310nm laser has an output power of 7 5dBm This corresponds to the Flashlink range of SDI EO electrical to optical converter cards Figure 1 AAV MUX Block diagram 4 S...

Page 5: ...d flags are updated new CRCs are calculated Embedding level SMPTE S272M C Synchronous audio at 48 kHz and extended data packets 24 bit optional Embedded audio word length Configurable 20 or 24 bits Audio delay 0 79 ms Video delay 2 3 µs 2 3 Inputs 2 3 1 Video Input Video Data rate 270Mbps Video frame rate 50 Hz or 60 Hz Equalisation Automatic up to 35dB Impedance 75Ω Return loss 15dB 270MHz Signal...

Page 6: ... FSMax 90 dB Crosstalk Typ 95 dB Max 90 dB CMRR 20 Hz 500 Hz Typ 60 dB 500 Hz 20 kHz Typ 80 dB 2 4 Outputs 2 4 1 SDI Output Number of SDI outputs 1 Connector BNC Impedance 75 ohm Return loss 15dB 270MHz Signal level nominal 800mV Rise fall time typically 650ps 2 4 2 Optical Output Transmission circuit fibre Single Mode Light source F P DFB Laser Optical wavelength 13T 1310nm 40nm Optical power 7 5...

Page 7: ... is then re serialised and sent to the electrical and optical outputs The analogue audio inputs go to electronically balanced inputs which reduce the input level by 12dB The next stages change the level according to the configured gain setting and send the resulting signals to the input of the A D converters 4 Configuration 270 Mbit digital video may have up to four audio groups which are numbered...

Page 8: ...2 Example S1 off S0 on and S2 on gives a maximum input level of 18 dBu 4 1 2 Group selection This DIP switch may be used to assign the group number to the embedder processor The group number is then set by the combination of the two group switches as shown in the following table The table is also printed on the AAV MUX card Group Switch G1 Switch G0 1 0 0 2 0 1 3 1 0 4 1 1 4 1 3 20 24 This switch ...

Page 9: ...about the configuration and the operating status of the card The displayed information includes Slot label Power voltages Video signal margin Video format Audio group Audio 24 bit configuration Laser status if applicable EDH flags EDH processing status Alarm status Firmware version on configuration page Gyda can be also used to switch the laser on or off if the fibre requires attention The control...

Page 10: ...lt in the corruption of other audio groups which are still present after the holes This does not apply if Network embedding products were used to embed audio as they all use the same packet distribution 6 Connector modules The AAV MUX card may be used with both the AV MUX C1 and the AAV DMUX C1 The two backplanes have the same external connections so only the AV MUX C1 is described here 6 1 AV MUX...

Page 11: ...AAV MUX Rev 1 input and output connectors are BNCs The RJ45 connector is used for alarms 11 ...

Page 12: ...AAV MUX Rev 1 Figure 4 Audio connector configuration 12 gnd gnd cold hot gnd cold hot gnd cold hot gnd cold hot inputs 1R 1L 2L 2R ...

Page 13: ...through the front panel as shown in the figure below Figure 5 LED overview of AAV MUX Text not printed on the front panel The AAV MUX has 4 LED s The colours of each of the LED s have different meanings as shown in the table below 7 1 LED Overview Diode state Red LED Orange LED Green LED No light Card status PTC fuse has been triggered remove the module Module has not been programmed Module power ...

Page 14: ...EN CONNECTING DISCONNECTING FIBER PIGTAILS ENDS NEVER LOOK DIRECTLY INTO THE PIGTAIL OF THE LASER FIBER NEVER USE MICROSCOPES MAGNIFYING GLASSES OR EYE LOUPES TO LOOK INTO A FIBER END USE LASER SAFETY GOGGLES BLOCKING LIGHT AT 1310 nm AND AT 1550 nm Instruments exist to verify light output power Power meters IR cards etc Flashlink features All the laser module cards in the flashlink product range ...

Page 15: ...nk equipment 1 The equipment will meet the guaranteed performance specification under the following environmental conditions Operating room temperature range 0 C to 50 C Operating relative humidity range up to 90 non condensing 2 The equipment will operate without damage under the following environmental conditions Temperature range 10 C to 55 C Relative humidity range up to 95 non condensing 3 El...

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