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AMG AMG4748A, Instruction Manual

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AMG AMG4748A Instruction Manual Download Page 8

AMG Systems Ltd. reserves the right to make changes to this
document without notice. The information herein is believed to
be accurate. No responsibility is assumed by AMG for its use.

Page 8 of 12

AMG4748A Instruction Sheet D16897-
00.doc

Audio Present RX ................................Green

-

audio present > -40dBm

Red

-

audio present > 0dBm (overload at +6dBm)

Off

-

audio not present or < -40dBm

This represents the audio signals being received from the optical fibre.

Summary of Contents for AMG4748A

Page 1: ...annel video receive unit designed to transmit 4 video signals and transmit and receive up to 8 data or audio signals over two Singlemode fibres The 8 data audio channel interfaces whether RS232 RS422...

Page 2: ...Connections 4 Optical Connections 4 Power Connection 4 Data Channel Connections 4 Data and Audio Channel Configuration 5 Data Interface Daughter Board Options 5 Data and Audio Channel Configuration 5...

Page 3: ...AMG4748A Instruction Sheet D16897 00 doc Introduction Unit Functional Schematic The AMG4748A drops off up to 4 video and 8 data and audio signals transmitted from the AMG4747A It also transmits up to...

Page 4: ...gth 1310nm Optical Fibre Singlemode PRIMARY OPTO IN Connector LC PC Primary Optical Sensitivity 22dBm Wavelength 1310nm Optical Fibre Singlemode Power Connection Connector Type 2 1mm screw lock long p...

Page 5: ...r Board 3 X04058 20mA Current Loop Data Interface Daughter Board 4 X12579 TTL Data Interface Daughter Board 5 X12578 Contact Closure Data Interface Daughter Board 6 X13038 FTT10A Echelon Lonworks Data...

Page 6: ...A A 6 Audio Data CH3 IN B A 25 Audio Data CH3 OUT B A 7 Audio Data CH4 IN A A 26 Audio Data CH4 OUT A A 8 Audio Data CH4 IN B A 27 Audio Data CH4 OUT B A 9 GND A 28 GND A 10 GND A 29 GND A 11 GND A 3...

Page 7: ...t on IN Red logic transitions present on IN Off logic one V present on IN This represents the data signals being transmitted on the optical fibre Data Present CH1 8 RX Green logic zero V present on OU...

Page 8: ...elieved to be accurate No responsibility is assumed by AMG for its use Page 8 of 12 AMG4748A Instruction Sheet D16897 00 doc Audio Present RX Green audio present 40dBm Red audio present 0dBm overload...

Page 9: ...anel and slide the PCB s out of the case Ensure that the fibres do not snag or get trapped To replace the PCB s into the case slide the PCB s gently into the case aligning the boards with the appropri...

Page 10: ...to make changes to this document without notice The information herein is believed to be accurate No responsibility is assumed by AMG for its use Page 10 of 12 AMG4748A Instruction Sheet D16897 00 do...

Page 11: ...to make changes to this document without notice The information herein is believed to be accurate No responsibility is assumed by AMG for its use Page 11 of 12 AMG4748A Instruction Sheet D16897 00 do...

Page 12: ...to make changes to this document without notice The information herein is believed to be accurate No responsibility is assumed by AMG for its use Page 12 of 12 AMG4748A Instruction Sheet D16897 00 do...

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