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4 Channel Video Transmit Unit with 9 Bi-directional Data
and Audio Channels for a Multimode Fibre Link
The AMG4647B is a standalone four channel video transmit unit designed to transmit 4 video signals
and transmit and receive up to 9 data or audio signals over two Multimode fibres. The 9 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 B.
The AMG4647B is designed to be powered using an AMG2003 standalone power supply.
The AMG4647B is designed to operate with AMG4648B or rackmount equivalent AMG4648BR four
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.
AMG4647B
Instruction Manual
Page 1 of 10
AMG4647B Instruction Sheet
D16593-01.doc
issue 01
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Summary of Contents for AMG AMG4647B
- Page 1 Audio Channels for a Multimode Fibre Link The AMG4647B is a standalone four channel video transmit unit designed to transmit 4 video signals and transmit and receive up to 9 data or audio signals over two Multimode fibres. The 9 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 B.
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Page 2: Table Of Contents
Removal / replacement from / to the Case ..................10 Safety Maintenance and Repair AMG Systems Ltd. reserves the right to make changes to this Page 2 of 10 AMG4647B Instruction Sheet document without notice. The information herein is believed to D16593-01.doc... -
Page 3: Introduction
It also receives up to 9 data and audio channels transmitted from the AMG4648B. Optical Connection The AMG4647B is connected as illustrated below when used with an AMG4648B 4-channel receive unit acting as a point to point system. Connections Video Input Connections Connector ..........75 ohm BNC Socket. -
Page 4: Power Connection
For the data or audio channels to be present, appropriate data daughter boards must be fitted onto the data expansion board slots. AMG Systems Ltd. reserves the right to make changes to this Page 4 of 10 AMG4647B Instruction Sheet document without notice. -
Page 5: Data And Audio Channel Configuration
RS485 bus high (+5 volts) and the other arm low (0 volts) using high value resistors within the third party equipment. In order to ensure that the AMG equipment detects a tri-state condition, then these resistors should have a value above 5kΩ. If the third party bias resistors are less the 750Ω... -
Page 6: Data Bank B Configuration
FTT10A Echelon Lonworks Data Interface Daughter Board Data and Audio Channel Configuration The data expansion board slots are accessed by removing the AMG unit from its case. (See appropriate section for removal instructions). In order to enable a data channel an appropriate daughter board should be fitted in the appropriate data channel slots on the data expansion boards. -
Page 7: Data And Audio Connections Bank B
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 7 of 10 AMG4647B Instruction Sheet document without notice. -
Page 8: Front Panel Indicators
OUT+ logic one (-V) present on OUT+ This represents the data signals being received on the optical fibre AMG Systems Ltd. reserves the right to make changes to this Page 8 of 10 AMG4647B Instruction Sheet document without notice. - Page 9 > 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 9 of 10 AMG4647B Instruction Sheet document without notice.
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Page 10: 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.
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