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AMG 4688A Instruction Manual

8 channel video receive unit with up to 8 bi-directional data and audio channels
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8 Channel Video Receive Unit with up to 8 Bi-directional
The AMG4688A is a standalone eight channel video receive unit designed to transmit 8 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.
The AMG4688A is designed to be powered using an AMG2003 standalone power supply.
The AMG4688A is designed to operate with AMG4687A or rackmount equivalent AMG4687AR eight
channel video transmit 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.
Data and Audio Channels
AMG4688A
Instruction Manual
Page 1 of 12
AMG4688A Instruction Sheet D18178-
01.doc

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Summary of Contents for AMG 4688A

  • Page 1 The AMG4688A is designed to operate with AMG4687A or rackmount equivalent AMG4687AR eight channel video transmit unit in a point to point configuration. AMG Systems Ltd. reserves the right to make changes to this Page 1 of 12 AMG4688A Instruction Sheet D18178- document without notice.

  • 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 AMG4688A Instruction Sheet D18178- document without notice. The information herein is believed to 01.doc...

  • Page 3: Introduction

    The AMG4688A is connected as illustrated below when used with an AMG4687A 8-channel transmit unit acting as a point to point system. AMG Systems Ltd. reserves the right to make changes to this Page 3 of 12 AMG4688A Instruction Sheet D18178- document without notice.

  • 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 AMG4688A Instruction Sheet D18178- document without notice.

  • Page 5: Data And Audio Channel Configuration

    The AMG4688A and rackmount equivalent AMG4688AR 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.

  • 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 AMG4688A Instruction Sheet D18178- document without notice.

  • Page 7: Front Panel Indicators

    > 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 AMG4688A Instruction Sheet D18178- 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 AMG4688A Instruction Sheet D18178- document without notice.

  • Page 9: Physical Information

    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.
  • Page 10 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 10 of 12 AMG4688A Instruction Sheet D18178- document without notice. The information herein is believed to 01.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 AMG4688A Instruction Sheet D18178- document without notice. The information herein is believed to 01.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 AMG4688A Instruction Sheet D18178- document without notice. The information herein is believed to 01.doc be accurate. No responsibility is assumed by AMG for its use.

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