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8 Channel Video Receive Unit with Bi-directional Data plus
The AMG3784BxE is a standalone eight channel video receive unit designed to receive 8 video
signals from a single optical fibre ring. It also provides 2 bi-directional data channels via a low speed
data interface, plus full duplex 100BaseT Ethernet connectivity around the ring.
The AMG3784BxE is designed to be powered using an AMG2003 standalone power supply.
The AMG3784BxE is designed to operate with AMG3713E or rackmount equivalent AMG3713ER
single channel video, data and Ethernet insert units. It may also be used with other combinations of
single, dual and four channel video, data and Ethernet insert units.
An AMG3784BxE receive unit will 'drop off' up to eight video channels which are being transmitted
around the fibre ring from up to eight single channel insert units, or from an equivalent combination of
multi-channel insert units.
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.
Ethernet for a Fibre Ring
AMG3784BxE
Instruction Manual
Page 1 of 12
AMG3784BxE Instruction Sheet
D18631-01.doc
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Summary of Contents for AMG AMG3784BxE
- Page 1 Ethernet insert units. An AMG3784BxE receive unit will 'drop off' up to eight video channels which are being transmitted around the fibre ring from up to eight single channel insert units, or from an equivalent combination of multi-channel insert units.
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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 12 AMG3784BxE Instruction Sheet document without notice. The information herein is believed to D18631-01.doc... -
Page 3: Introduction
1 selects video channel 1 and setting switch to position 8 or 9 selects channel 8. Optical Connection The AMG3784BxE or rackmount AMG3784BxER is designed to be connected in a ring or point to point system. In a ring system, single, dual and four channel insert units respectively can be combined to make up an 8 channel video transmission system as illustrated below. -
Page 4: Connections
Data Channel B ........1 channel Data Connector........RJ45 Channel B Interface ......Defined by data/audio interface daughter board fitted into Slot 1 on main board and indicated by the 'x' in the AMG partno. Ethernet Connection Ethernet Data Connector ....RJ45 Interface ..........Auto-negotiation up to 100BASE-TX full duplex Ethernet Data Rate ......Maximum 50Mbits/s total Ethernet traffic on fibre... -
Page 5: 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 5 of 12 AMG3784BxE Instruction Sheet document without notice. - Page 6 > 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 6 of 12 AMG3784BxE Instruction Sheet document without notice.
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Page 7: Ethernet Operation
Ethernet Operation In order for the AMG system to transmit Ethernet signals, an onboard RJ45 Ethernet interface or X16003 Ethernet interface adaptor should be fitted to all units in the ring. The Ethernet interface can operate at either 10Mbits/s half duplex, or 100Mbit/s full duplex. When all the Ethernet interfaces around the ring are operating at 100Mbit/s full duplex the system behaves as a multi-port repeater. -
Page 8: 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 9: Data / Audio Channel B Configuration
Brown Note: (A) or (B) in brackets in above table refers to RS485 / RS422 data specification, not Channel A, Channel B. AMG Systems Ltd. reserves the right to make changes to this Page 9 of 12 AMG3784BxE Instruction Sheet document without notice. -
Page 10: 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 11 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 11 of 12 AMG3784BxE Instruction Sheet document without notice. The information herein is believed to D18631-01.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 AMG3784BxE Instruction Sheet document without notice. The information herein is believed to D18631-01.doc be accurate. No responsibility is assumed by AMG for its use.
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