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8 Channel Video Transmit Unit with up to 16 Bi-directional
Data and Audio Channels for a Singlemode Fibre Link
The AMG4787 is a standalone eight channel video transmit unit designed to transmit 8 video signals
and transmit and receive up to 16 data or audio signals over two singlemode fibres. The 16 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 Boards
A & B.
The AMG4787 is designed to be powered using an AMG2003 standalone power supply.
The AMG4787 is designed to operate with AMG4788 or rackmount equivalent AMG4788R eight
channel video receive unit in a point to point configuration.
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.
AMG4787 Instruction
Manual
Page 1 of 12
AMG4787 Instruction Sheet D16553-
00.doc
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Summary of Contents for AMG AMG4787
- Page 1 Data and Audio Channels for a Singlemode Fibre Link The AMG4787 is a standalone eight channel video transmit unit designed to transmit 8 video signals and transmit and receive up to 16 data or audio signals over two singlemode fibres. The 16 data/audio...
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Page 2: Table Of Contents
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 AMG4787 Instruction Sheet D16553- document without notice. The information herein is believed to 00.doc... -
Page 3: Introduction
AMG4788. Optical Connection The AMG4787 is connected as illustrated below when used with an AMG4788R rackmount receive unit acting as a point to point system. AMG Systems Ltd. reserves the right to make changes to this... -
Page 4: Connections
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 AMG4787 Instruction Sheet D16553- document without notice. -
Page 5: Data And Audio Channel Configuration
Data and Audio Channel Configuration The data expansion board slots are accessed by removing the AMG unit from its case. A data channel is active when a daughter board is installed in the required data channel slot. Each data interface board enables one bi-directional channel. -
Page 6: Data And Audio Connections
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 AMG4787 Instruction Sheet D16553- document without notice. -
Page 7: Front Panel Indicators
> 0dBm (overload at +6dBm) audio not present or < -40dBm This represents the data signals being transmitted on the optical fibre AMG Systems Ltd. reserves the right to make changes to this Page 7 of 12 AMG4787 Instruction Sheet D16553- document without notice. - Page 8 > 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 AMG4787 Instruction Sheet D16553- document without notice.
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Page 9: Physical Information
Weight ..........1000grams 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. - Page 10 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 10 of 12 AMG4787 Instruction Sheet D16553- document without notice. The information herein is believed to 00.doc be accurate. No responsibility is assumed by AMG for its use.
- Page 11 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 11 of 12 AMG4787 Instruction Sheet D16553- document without notice. The information herein is believed to 00.doc be accurate. No responsibility is assumed by AMG for its use.
- Page 12 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 12 of 12 AMG4787 Instruction Sheet D16553- 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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