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8 Channel Video Receive Unit with Bi-directional Data and
Audio Channels plus Ethernet for a Dual Redundant fibre
The AMG3784EBxR-DR-CWDMn/m is a rackmount eight channel video receive unit designed to
receive 8 video signals from a single optical fibre ring with Dual Redundant operation. It also provides
bi-directional data channels via a low speed data interface, plus full duplex 100BaseT Ethernet
connectivity around the ring.
The AMG3784EBxR-DR-CWDMn/m is designed to plug into an AMG2005 subrack, which in turn fits
into a 19" rack system.
The AMG3784EBxR-DR-CWDMn/m is designed to operate with AMG3713EBx-DR-CWDMn/m-C or
rackmount equivalent AMG3713EBxD-DR-CWDMn/m-C 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 AMG3784EBxR-DR-CWDMn/m 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.
ring using CWDM
Page 1 of 12
AMG3784EBxR-DR-
CWDMn/m
Instruction Manual
AMG3784EBxR-DR-CWDMnm
Instruction Sheet D16784-01.doc
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Summary of Contents for AMG AMG3784EBxR-DRCWDMn/m
- Page 1 An AMG3784EBxR-DR-CWDMn/m 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 Page 1 of 12 AMG3784EBxR-DR-CWDMnm document without notice.
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Page 2: Table Of Contents
Mounting Details ..........................12 Removal / replacement from / to the Case..................12 Safety Maintenance and Repair AMG Systems Ltd. reserves the right to make changes to this Page 2 of 12 AMG3784EBxR-DR-CWDMnm document without notice. The information herein is believed to Instruction Sheet D16784-01.doc... -
Page 3: Introduction
1550 1590 1570 1610 Video Input Channel Configuration AMG Systems Ltd. reserves the right to make changes to this Page 3 of 12 AMG3784EBxR-DR-CWDMnm document without notice. The information herein is believed to Instruction Sheet D16784-01.doc be accurate. No responsibility is assumed by AMG for its use. -
Page 4: Dual Redundant Operation
If a fibre link is broken, operation of the ring continues by making use of the secondary optical fibre route as below: AMG Systems Ltd. reserves the right to make changes to this Page 4 of 12 AMG3784EBxR-DR-CWDMnm document without notice. - Page 5 However operation of cameras 4,5,6,7 and 8 remains fully functional. Note that where necessary repeaters can be added at nodes to increase the average distance between nodes. AMG Systems Ltd. reserves the right to make changes to this Page 5 of 12 AMG3784EBxR-DR-CWDMnm document without notice.
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Page 6: Connections
DATA CHANNEL B 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. Video Output Connections No. of channels ........8 Connectors ..........75 ohm BNC Socket. -
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
White/brown Brown Note: (A) or (B) in brackets in above table refers to RS485 / RS422 data specification, not Channel A, Channel AMG Systems Ltd. reserves the right to make changes to this Page 9 of 12 AMG3784EBxR-DR-CWDMnm document without notice. The information herein is believed to Instruction Sheet D16784-01.doc... -
Page 10: Front Panel Indicators
(+V) present on IN+ logic transitions present on IN+ logic one (-V) present on IN+ AMG Systems Ltd. reserves the right to make changes to this Page 10 of 12 AMG3784EBxR-DR-CWDMnm document without notice. The information herein is believed to Instruction Sheet D16784-01.doc... - Page 11 > 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 11 of 12 AMG3784EBxR-DR-CWDMnm document without notice.
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Page 12: Physical Information
Removal / replacement from / to the Case Note: - The AMG unit PCB's are static sensitive. Handle with proper care and use normal electrostatic discharge (ESD) procedures. Use properly grounded protection (for example, wrist straps) when handling the PCB.
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