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8 Channel Video Receive Unit with Ethernet for a
Singlemode Dual Fibre Ring - includes AMG NMS Network
The AMG3784ERN is a rackmount eight channel video receive unit designed to receive 8 video
signals from a singlemode optical fibre ring. It also provides one bi-directional data channel via a low
speed data interface, plus full duplex 100BaseT Ethernet connectivity around the ring.
The AMG3784ERN is designed to plug into an AMG2009 or AMG2015 subrack, which in turn fits into
a 19" rack system. It also includes an AMG Management Interface to allow management of the system
using the AMG SNMP enabled Management software.
The AMG3784ERN is designed to operate with AMG3713E or rackmount equivalent AMG3713ER
single channel video and Ethernet insert units. It may also be used with other combinations of single,
dual and four channel video insert units.
An AMG3784ERN 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.
Management Interface
AMG3784ERN
Instruction Manual
Page 1 of 12
AMG3784ERN Instruction Sheet
D18344-01.doc
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Summary of Contents for AMG AMG3784ERN
- Page 1 100BaseT Ethernet connectivity around the ring. The AMG3784ERN is designed to plug into an AMG2009 or AMG2015 subrack, which in turn fits into a 19" rack system. It also includes an AMG Management Interface to allow management of the system using the AMG SNMP enabled Management software.
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Page 2: Table Of Contents
Dimensions ............................12 Mounting Details ..........................12 Removal / replacement from / to the Case..................12 AMG Systems Ltd. reserves the right to make changes to this Page 2 of 12 AMG3784ERN Instruction Sheet document without notice. The information herein is believed to D18344-01.doc... - Page 3 Safety Maintenance and Repair AMG Systems Ltd. reserves the right to make changes to this Page 3 of 12 AMG3784ERN Instruction Sheet document without notice. The information herein is believed to D18344-01.doc be accurate. No responsibility is assumed by AMG for its use.
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Page 4: Introduction
1 selects video channel 1 and setting switch to position 8 or 9 selects channel 8. Optical Connection The AMG3784EN or rackmount AMG3784ERN 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 5: Connections
Ethernet Data Connector ....RJ45 Interface..........Auto-negotiation up to 100BASE-TX full duplex Ethernet Data Rate......Maximum 50Mbits/s total Ethernet traffic on fibre AMG Systems Ltd. reserves the right to make changes to this Page 5 of 12 AMG3784ERN Instruction Sheet document without notice. -
Page 6: Front Panel Indicators
AMG Systems Ltd. reserves the right to make changes to this Page 6 of 12 AMG3784ERN Instruction Sheet document without notice. The information herein is believed to D18344-01.doc... -
Page 7: 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 8: Ethernet Data Configuration
The AMG3713E and rackmount equivalent AMG3713ER sends and receives Ethernet data. 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. -
Page 9: Network Management
Power at the receiver Closed by: Reset The Management Interface The Management Interface is fitted to AMG receivers / transmitters and is signified by a 'N' in the part number AMG Systems Ltd. reserves the right to make changes to this... - Page 10 Each management interface, thus each receiver or transmitter, has an ID number with is identified below the management port. This ID number is used by the AMG Network Management System (NMS) to identify the unit. The physical interface is a 9 way female D-type connector. It supports either RS-232 or RS-485.
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Page 11: Alarm Output And Reset Operation
On release of the alarm reset, the alarm output will remain in a closed state until the next change of state to the AMG transmit unit connected to the receiver. The alarm output may not register a change of state which happens within 5 seconds of release of the alarm reset. -
Page 12: 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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