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8 Channel Video Receive Unit with 1 Bi-directional Data
Channel for a CWDM Fibre Link - includes AMG NMS
The AMG4784RN-CWDMn is a rackmount eight channel video receive unit designed to receive 8
video signals and transmit and receive 1 data signal over two Singlemode fibres. The AMG4784RN-
CWDMn transmits on a CWDM wavelength defined by the 'n' in the CWDMn partno. as detailed in the
following table, but can receive from any 1310nm or 1550nm band wavelength.
The AMG4784RN-CWDMn 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 AMG4784RN-CWDMn is designed to operate with AMG4783N-CWDMn or rackmount equivalent
AMG4783RN-CWDMn 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.
Network Management Interface
AMG4784RN-
CWDMn
Instruction Manual
Page 1 of 12
AMG4784RN-CWDMn Instruction
Sheet D18333-00.doc
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Summary of Contents for AMG AMG4784RN-CWDMn
- Page 1 The AMG4784RN-CWDMn 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
Mounting Details ..........................10 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 AMG4784RN-CWDMn Instruction document without notice. The information herein is believed to Sheet D18333-00.doc... -
Page 3: Introduction
For CWDM wavelengths 11-14, ITU-T G652C or D fibre is recommended. Optical Connection The AMG4784RN-CWDMn is connected as illustrated below when used with an AMG4783RN- CWDMn 8-channel transmit unit acting as a point to point system. Alternatively, the AMG4783RN-CWDMn and AMG4784RN-CWDMn may be interconnected with additional system units operating at different optical wavelengths on the same fibre using external couplers. -
Page 4: Connections
Wavelength ..........Any 1310nm or 1550nm band Optical Fibre ........Singlemode Optical Overload ........-5dBm NOTE: The optical launch power may overload the input of an AMG receiver if connected directly. A minimum of 5dB loss is required to ensure correct operation. Power Connection Power supply ........from plug in connection on the AMG2009 / AMG2015 subrack... -
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: 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 6 of 12 AMG4784RN-CWDMn Instruction document without notice. The information herein is believed to Sheet D18333-00.doc... -
Page 7: 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 8 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 9: 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 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. - Page 11 This page is intentionally blank. AMG Systems Ltd. reserves the right to make changes to this Page 11 of 12 AMG4784RN-CWDMn Instruction document without notice. The information herein is believed to Sheet D18333-00.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 AMG4784RN-CWDMn Instruction document without notice. The information herein is believed to Sheet D18333-00.doc be accurate. No responsibility is assumed by AMG for its use.
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