AMG 4688AR Instruction Manual
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AMG 4688AR 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 AMG4688AR is a rackmount 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 AMG4688AR is designed to plug into an AMG2009 or AMG2015 subrack, which in turn fits into a
19" rack system.
The AMG4688AR 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
AMG4688AR
Instruction Manual
Page 1 of 12
AMG4688AR Instruction Sheet
D18179-01.doc

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Summary of Contents for AMG 4688AR

  • Page 1 The AMG4688AR 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 AMG4688AR Instruction Sheet 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 AMG4688AR Instruction Sheet document without notice. The information herein is believed to D18179-01.doc...

  • Page 3: Introduction

    The AMG4688AR is connected as illustrated below when used with an AMG4687AR 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 AMG4688AR Instruction Sheet 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 AMG4688AR Instruction Sheet 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 AMG4688AR Instruction Sheet 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 AMG4688AR Instruction Sheet 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 AMG4688AR Instruction Sheet document without notice.

  • Page 9: Physical Information

    There are no user serviceable parts within AMG products. See unit data sheet for full specification. In case of problem or failure, please call your local support centre or contact: AMG Systems Ltd. at 3 The Omega Centre, Stratton Business Park, Biggleswade, Beds., SG18 8QB, UK.
  • Page 10 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 10 of 12 AMG4688AR Instruction Sheet document without notice. The information herein is believed to D18179-01.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 AMG4688AR Instruction Sheet document without notice. The information herein is believed to D18179-01.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 AMG4688AR Instruction Sheet document without notice. The information herein is believed to D18179-01.doc be accurate. No responsibility is assumed by AMG for its use.

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