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HARDWARE INTERFACE MANUAL

ChromaFlex DMT24, DMT34 & DMT44 Multi-Wavelength

DWDM Direct Modulated Transmitter Module

ChromaFlex

www.atxnetworks.com

Содержание ChromaFlex DMT24

Страница 1: ...HARDWARE INTERFACE MANUAL ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module ChromaFlex www atxnetworks com www atxnetworks com ...

Страница 2: ... other non ATX product and company names in this manual are the property of their respective companies Although every effort has been taken to ensure the accuracy of this document it may be necessary without notice to make amendments or correct omissions Specifications subject to change without notice ...

Страница 3: ...Physical Damage 3 1 3 2 What To Do About Concealed Damage 3 1 3 3 How To Return Equipment 3 1 4 SPECIFICATIONS 4 1 5 BLOCK DIAGRAM OPERATION 5 1 6 FRONT PANEL 6 1 6 1 Front Panel Illustration 6 1 6 2 Table of Front Panel Features 6 1 6 3 Alarm Status Indicators 6 1 7 MODULE INSTALLATION 7 1 8 MODULE CONNECTIONS 8 1 8 1 RF Connections 8 1 8 2 Optical Connections 8 2 9 MODULE SET UP 9 1 9 1 Setting ...

Страница 4: ...iv ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual This page intentionally left blank ...

Страница 5: ...or If this equipment is equipped with an external grounding terminal attach one end of an 18 gauge wire or larger to the grounding terminal then attach the other end of the wire to a ground such as a grounded equipment rack 1 2 Installation Site When selecting the installation site comply with the following Maintain a Protective Ground The protective ground lead of the building s electrical instal...

Страница 6: ...ied on the equipment rating label Overcurrent protection breakers or fuses must be sized appropriately for the total current rating of the modules and accessories contained within a system chassis or multiple chassis that are connected to a common mains circuit This equipment may have two power sources Be sure to disconnect all power sources before working on this equipment If this equipment does ...

Страница 7: ...y pose an eye hazard This equipment may only be installed operated and serviced by authorized personnel trained in the safe handling and operation of ﬁber optic cables and laser sources Do not apply power to this equipment if the fiber is unmated or unterminated Do not look into an activated fiber with optical instruments such as magnifiers or microscopes 1 8 Laser Power Warning Labels This equipm...

Страница 8: ...IMPORTANT SAFETY INSTRUCTIONS 1 4 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 2 This page intentionally left blank ...

Страница 9: ...ale F port test point with selection switch to locally monitor any individual laser input DMT24 has two separate lasers with one common RF input port broadcast and one unique narrowcast port per laser For a total of three RF inputs at rear of chassis DMT34 has three separate lasers with one common RF input port broadcast and one unique narrowcast port per laser For a total of four RF inputs at rea...

Страница 10: ...PRODUCT INTRODUCTION 2 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual This page intentionally left blank CHAPTER 2 ...

Страница 11: ...ceipt and have the carrier s agent sign it If you fail to do so the carrier may refuse to honor the damage claim The carrier will supply you with any forms required to file such a claim 3 2 What To Do About Concealed Damage Damage which is not apparent until the unit has been unpacked is considered concealed damage The contents may have been damaged due to rough handling even if there is no extern...

Страница 12: ...UNPACKING INSPECTING A NEW UNIT 3 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 3 This page intentionally left blank ...

Страница 13: ...DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual 4 1 SPECIFICATIONS 4 Specifications See ChromaFlex DMT24 DMT34 DMT44 DWDM Transmitter Specs Ordering Info pdf at atxnetworks com CHAPTER 4 ...

Страница 14: ...SPECIFICATIONS 4 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 4 This page intentionally left blank ...

Страница 15: ...odules BC Input 4 NC1 1 NC2 2 Splitter Variable Attenuator Variable Attenuator Front Panel Test Point 10 dB OUT 1 OUT 2 DMT24 ITU ITU RF Det RF Det Opt Mux card number 1 8 Figure 1 ChromaFlex DMT24 Transmitter Module Block Diagram Figure 2 ChromaFlex DMT34 Transmitter Module Block Diagram BC Input 4 NC1 1 NC2 2 NC3 3 Front Panel Test Point 10 dB OUT 1 OUT 2 OUT 3 DMT34 ITU ITU ITU Opt Mux RF Det R...

Страница 16: ...ame functionality A directional coupler for each laser segment provides a sample of the full spectrum RF load applied to each laser to the switchable female F port on the front This level is calibrated to be 10 dB relative to the input at the rear of the module regardless of AGC function of the module The RF signal passes through a variable RF attenuator The attenuator is either automatically set ...

Страница 17: ... Test Point 10 dB sample of the RF input to the module Relative to RF input at rear of module RF Test Point Selector Switch Selects the RF test point for transmitter 1 to 4 Optical Output LC APC Connector OUT Optical output signal connection Transmitter Alarm LEDs Visual alarm status indicators for each of the four transmitters 6 3 Alarm Status Indicators LED Function Value OPT One LED for Each La...

Страница 18: ...FRONT PANEL 6 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 6 This page intentionally left blank ...

Страница 19: ...ures assume the chassis is installed and powered following the instructions in the ChromaFlex Operation Manual 1 Align the module into the desired slot opening in the ChromaFlex chassis 2 Using the handle push the module into the slot with even pressure until the module is mated with the chassis mid plane connector 3 Press the module extraction levers downward against the module face 4 Tighten the...

Страница 20: ...MODULE INSTALLATION 7 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 7 This page intentionally left blank ...

Страница 21: ...ach laser transmitter where the common broadcast and each individual laser transmitter narrowcast channels is externally combined prior to connection to the chassis NOTE Each laser transmitter should have the same common RF channel content below 270 MHz The following table and diagrams show the corresponding RF connector to module slots for the DMTx4 transmitter modules The RF connector numbering ...

Страница 22: ...roadcast RF 4 6 1 Narrowcast 1 Narrowcast 1 RF 1 6 2 Narrowcast 2 Narrowcast 2 RF 2 6 3 N A Narrowcast 3 RF 3 6 4 Broadcast Broadcast RF 4 7 1 Narrowcast 1 Narrowcast 1 RF 1 7 2 Narrowcast 2 Narrowcast 2 RF 2 7 3 N A Narrowcast 3 RF 3 7 4 Broadcast Broadcast RF 4 8 1 Narrowcast 1 Narrowcast 1 RF 1 8 2 Narrowcast 2 Narrowcast 2 RF 2 8 3 N A Narrowcast 3 RF 3 8 4 Broadcast Broadcast RF 4 8 DMT34 DMT...

Страница 23: ... DMTx4 optical ports Never look into an optical connector when a signal is present Figure 9 Optical Connections Please take the following steps for first time set up of the unit Identify the transmitter unit at the corresponding slot location Connect each output port 1 through 4 to a fiber jumper utilizing a good quality clean LC APC connector to the next device or fiber cable per your specific de...

Страница 24: ...MODULE CONNECTIONS 8 4 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual CHAPTER 8 This page intentionally left blank ...

Страница 25: ...10 channel load 31 dBmV 10 log10 155 31 dBmV 22 9 dBmV Using the same formula to adjust for a lower channel loading such as a 750 MHz system with 110 channels 31 dBmV 10 log10 110 31 dBmV 20 4 10 6 dBmV Therefore with 110 of all QAM channel loading the correct rear panel RF input level is 10 6 dBmV at the input of both the BC and NC ports 9 1 2 Mix of Analog QAM Channels The mix of Analog and QAM ...

Страница 26: ...ides for plug and play RF level setting as the transmitter automatically sets the internal attenuators for the optimal laser drive level and OMI When in the AGC mode the variable attenuators will automatically be adjusted for each laser transmitter so the RF reference display will read 0 0 dB 0 5 dB The following provides the procedures and associated menus for configuring the DMTx4 with the Hand ...

Страница 27: ... choose the appropriate slot for the desired module location 4 Example DMT34 With a combined Broadcast Narrowcast total RF power of 31 dBmV plug the Broadcast cable into port 1 4 Narrowcast cable into port 1 1 to 1 3 see section 8 1 5 From the front panel RF Test Point confirm the Narrowcast QAM RF channels are at the same level as the Broadcast QAM RF channels If not correct the level difference ...

Страница 28: ...pagate through needs to be entered to achieve optimal distortion performance 1 Using the Hand held Display navigate to the Setup Mode Settings TX Fiber Length menu Setup Menu Tx Status Menu M ode Setting Menu Tx Fiber Length 2 Select the internal laser transmitter to be adjusted Sel_Ch 3 Enter the fiber length in km associated with the selected laser transmitter This should not be based on distanc...

Страница 29: ...necessary Look for other signs of life in unit like running fan LCD display etc Power LED OFF DC Verify DC Feed is active and fuse is intact on fuse panel Verify DC Feed is not reversed Look for other signs of life in unit like running fan LCD display etc Optical LED is Amber or Red Check output light level RF LED is Amber or Red Check RF Input level If in MGC mode Attn set too high or too low if ...

Страница 30: ...TROUBLESHOOTING THE DMTX4 10 2 ChromaFlex DMT24 DMT34 DMT44 Multi Wavelength DWDM Direct Modulated Transmitter Module Hardware Interface Manual This page intentionally left blank CHAPTER 10 ...

Страница 31: ...assistance with any ATX products TECHNICAL SUPPORT Tel 408 227 3400 press 4 Fax 408 227 3403 Email opticalsupport atxnetworks com CUSTOMER SERVICE ATX Networks 5850 Hellyer Avenue San Jose CA 95138 USA Tel 408 227 3400 press 3 Fax 408 227 3403 Email opticalsales atxnetworks com Web www atxnetworks com 11 2 Warranty Information All of ATX Networks products have a 1 year warranty that covers manufac...

Страница 32: ...West Ajax ON L1S 7H4 Canada Tel 905 428 6068 Toll Free 800 565 7488 support atxnetworks com ISO 9001 15 REGISTERED 2018 ATX Networks Information in this document is subject to change without notice www atxnetworks com Rev 09 18 ANW1169 ...

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