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4 Channel Video Transmit Unit with up to 8 Bi-directional Data and Audio Channels The AMG4747A is a standalone four channel video transmit 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, RS485, 20mA, TTL, Contact Closure, Lonworks or Audio, are defined at manufacture by the addition of daughter boards fitted onto the Data Expansion Board A.
Removal / replacement from / to the Case..................9 Safety Maintenance and Repair AMG Systems Ltd. reserves the right to make changes to this Page 2 of 12 AMG4747A Instruction Sheet D16896- document without notice. The information herein is believed to 00.doc...
It also receives up to 8 data and audio channels transmitted from the AMG4748A. Optical Connection The AMG4747A is connected as illustrated below when used with an AMG4748A receive unit acting as a point to point system. AMG Systems Ltd. reserves the right to make changes to this...
For the data or audio channels to be present, the appropriate data daughter boards have to be fitted into the data expansion board slots. AMG Systems Ltd. reserves the right to make changes to this Page 4 of 12 AMG4747A Instruction Sheet D16896- document without notice.
The AMG4748A and rackmount equivalent AMG4748AR sends and receives data in one bank - Bank A. Bank B is not used. The physical interface is determined by the fitting of AMG data or audio daughter boards onto the appropriate data expansion board slots.
See Data or Audio Daughter Board Instruction Sheet for meaning of Audio/Data IN+, Audio/Data IN- Audio/Data OUT+, and Audio/Data OUT- for each data type. AMG Systems Ltd. reserves the right to make changes to this Page 6 of 12 AMG4747A Instruction Sheet D16896- document without notice.
> 0dBm (overload at +6dBm) audio not present or < -40dBm This represents the audio signals being transmitted on the optical fibre AMG Systems Ltd. reserves the right to make changes to this Page 7 of 12 AMG4747A Instruction Sheet D16896- document without notice.
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> 0dBm (overload at +6dBm) audio not present or < -40dBm This represents the audio signals being received from the optical fibre. AMG Systems Ltd. reserves the right to make changes to this Page 8 of 12 AMG4747A Instruction Sheet D16896- document without notice.
Weight ..........1200grams Mounting Details The AMG unit is supplied with a clip-on mounting bracket which should be attached to a panel or wall using 2 off 4.0mm screws, see diagram on page 1 for dimensions. The unit is clipped into the mounting bracket, and is then held firmly in position.
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This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 10 of 12 AMG4747A Instruction Sheet D16896- document without notice. The information herein is believed to 00.doc be accurate. No responsibility is assumed by AMG for its use.
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This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 11 of 12 AMG4747A Instruction Sheet D16896- document without notice. The information herein is believed to 00.doc be accurate. No responsibility is assumed by AMG for its use.
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This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 12 of 12 AMG4747A Instruction Sheet D16896- document without notice. The information herein is believed to 00.doc be accurate. No responsibility is assumed by AMG for its use.
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