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8 Channel Video Receive Unit with up to 8 Bi-directional
The AMG4788AR 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 AMG4788AR is designed to plug into an AMG2005 subrack, which in turn fits into a 19" rack
system.
The AMG4788AR is designed to operate with AMG4787A or rackmount equivalent AMG4787AR
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
AMG4788AR
Instruction Manual
Page 1 of 12
AMG4788AR Instruction Sheet
D16957-01.doc
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Summary of Contents for AMG AMG4788AR
- Page 1 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 AMG4788AR is designed to plug into an AMG2005 subrack, which in turn fits into a 19" rack system.
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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 AMG4788AR Instruction Sheet document without notice. The information herein is believed to D16957-01.doc... -
Page 3: Introduction
It also transmits up to 8 data and audio channels to the AMG4787A. Optical Connection The AMG4788AR is connected as illustrated below when used with an AMG4787AR 8-channel transmit 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 AMG4788AR Instruction Sheet document without notice. -
Page 5: Data And Audio Channel Configuration
The AMG4788A and rackmount equivalent AMG4788AR 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 AMG4788AR 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 AMG4788AR 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 AMG4788AR Instruction Sheet document without notice.
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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 AMG4788AR Instruction Sheet document without notice. The information herein is believed to D16957-01.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 AMG4788AR Instruction Sheet document without notice. The information herein is believed to D16957-01.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 AMG4788AR Instruction Sheet document without notice. The information herein is believed to D16957-01.doc be accurate. No responsibility is assumed by AMG for its use.
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