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04/2019 - EN/V9

Technetix Group Limited

Product user manual

DBE-1200S

3.4 Configuring the Power Supply Unit (PSU)

The DBE-1200S has the following power supply options:

1. Local powering is achieved on the RF input port using a power inserter.
2. Remote powering through the External Power port (see item 16 on page six). Maximum AC power passing = 10 Amps.
See page Chapter 4.1 for removal/installation of PSU unit.

Fuses

Referring to the network design documentation, remove any fuses not required for passing power.

Remove fuses on the output ports of the

DBE-1200S if it is not necessary to carry power.

Ext. power port

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Содержание DBE-1200S

Страница 1: ...DBE 1200S Online Email technetix customerservice technetix com Website technetix com 04 2019 AE V9 User manual ...

Страница 2: ...lifier 13 3 4 Configuring the Power Supply Unit PSU 14 3 5 Powering up the amplifier 15 3 6 Downstream activation 16 3 7 Upstream activation 21 Chapter 4 Maintenance 25 4 1 PSU replacement 25 4 2 Amplifier module replacement 26 Chapter 5 Optical node 1x1 to 3x3 28 5 1 General installation 28 5 2 Downstream connection 28 5 3 Upstream connection 29 5 4 CWDM applications 30 5 5 Software settings 31 5...

Страница 3: ...before working on this equipment Intended audience The DBE 1200S User manual is intended for network engineers and technicians responsible for planning configuring installing and testing the Technetix DBE 1200S amplifier Installers should have a working knowledge of coaxial cable systems and cabling practices and should heed all safety warnings List of tools required The following tools and suppli...

Страница 4: ...rsion remove full stop 2 Click on the BLL Setup icon 3 Follow the installation directions displayed on the computer To install the BLA software on an Android phone or tablet complete the following steps 1 To ensure the device will allow unknown sources a Go to Settings Lock screen and security b Turn on the Unknown sources toggle switch 2 To copy the BLA vx x apk file to the Android device a Go to...

Страница 5: ...dbmV output ET 25 dB tilt DBDS F 2 Bridger 1 2 GHz downstream amplifier 44 dB I2C DBDS F 5 1 Bridger 1 2 GHz downstream amplifier 44 dB I2C 53 dBmV output Control Module DBDCM A 1 AGC ALSC FSK DBDCM B 2 AGC ALSC DOCSIS transponder compatible DBDDM A 1 DOCSIS 3 0 transponder DBDDM B 1 EuroDOCSIS 3 0 transponder Optical Modules R DBRX A 1 Optical 1 2 GHz downstream receiver 53 dBmV output TX DBTX A ...

Страница 6: ...inet DBES FT A 1 Fiber management for DBE strand mount Diplexers A range of field replaceable plug in diplex filters DBDIP 01 W 65 85 MHz diplexer DBDIP 02 W 85 105 MHz diplexer DBDIP 03 W 204 258 MHz diplexer DBDIP 04 W 42 54 MHz diplexer DBDIP 05 W 85 102 MHz diplexer Power Supply DBPSU 07 1 DBE 90 W POWER SUPPLY 90 VAC ...

Страница 7: ...s at the input and output ports protect the RF circuits in the event of lightning or mains power surges In the DBE 1200S these protection devices are field replaceable plug in modules Benefits Full digital control and setup with user selectable integrated Automatic Temperature Control ATC Automatic Gain Control AGC or Automatic Level and Slope Control ALSC Improved intermodulation distortion perfo...

Страница 8: ...e one place 8 Downstream bridger amplifier modules two places 9 Downstream cable simulator JXP location can be used for other types of JXP plug ins three places Item No Description 10 Input diplex filters 42 54 65 85 85 102 85 105 and 204 258 options available one place 11 Output diplex filters 42 54 65 85 85 102 85 105 and 204 258 options available three places 12 Fuses four places 13 Input 20 dB...

Страница 9: ...r supply Local power input port Port 2 Port 3 Auto fuses 20 dB testpoint Port 1 20 dB testpoint 20 dB testpoint 20 dB testpoint DOCSIS transponder DBDCM X X control module DBDS B x xx downstream DBDS F x xx DBDS F x xx DBUS D 1 DBUS C1 upstream module 6dB oﬀ 6dB oﬀ Digital control 6dB oﬀ 6dB oﬀ Digital control ...

Страница 10: ...8 04 2019 EN V9 Technetix Group Limited Product user manual DBE 1200S DBE 1200S optical node Fiber management tray Downstream optical receivers Upstream optical transmitters ...

Страница 11: ...Local power input port Port 2 Port 3 Auto fuses Port 1 20 dB testpoint 20 dB testpoint DBDCM X X control module DBRX optical receiver O E DBRX optical receiver O E DBRX optical receiver O E DBTX A 1 optical transmitter O E DBTX A 1 optical transmitter O E O E 0dB TP 0dB TP 0dB TP 20 dB testpoint DOCSIS transponder ...

Страница 12: ...end are through fiber Here is an example hybrid configuration of the DBE 1200S with one upstream optical transmitter module with two lasers and a second upstream optical transmitter module with one laser and one downstream optical receiver feeding two downstream bridger amplifier modules Other configurations are also possible All upstream data inputs can be combined on one laser transmitter ...

Страница 13: ... m Rear mounting direct to cabinet back panel For mounting directly onto a cabinet back panel the rear 5 16 18 UNC bolt holes can be used with four 5 16 18 UNC threaded bolts see following picture When using this method of mounting make sure that the bolt s threads will not protrude any more than 5 16 8 mm in length through the back board that the amplifier will be mounted onto The total bolt leng...

Страница 14: ... 5 N m Grounding screw located on the side of the housing 2 To install the coaxial cable cut the connector pins to a length of 1 1 28 mm for threaded connectors as shown below When using 5 8 18 UNC threaded connectors and 5 8 reducing rings add 7 64 2 5 mm to the connector pin length 1 2 30 5 mm 3 Tighten the connectors into the housing in accordance with the connector manufacturer s specification...

Страница 15: ...figure 1 bottom left bolt at hinge 2 top right bolt 3 bottom right bolt at hinge 4 top left bolt 5 left side bolt 6 right side bolt Then using a torque wrench set to a torque value of 3 7 ft lb 5 N m go around again in sequence and tighten to the final torque setting Following this sequence will ensure 1 The rubber gasket between the lid and the amplifier housing is sealed correctly providing a so...

Страница 16: ...RF input port using a power inserter 2 Remote powering through the External Power port see item 16 on page six Maximum AC power passing 10 Amps See page Chapter 4 1 for removal installation of PSU unit Fuses Referring to the network design documentation remove any fuses not required for passing power Remove fuses on the output ports of the DBE 1200S if it is not necessary to carry power Ext power ...

Страница 17: ...and side of the housing 2 Using a true RMS digital voltmeter confirm AC power is present on the port where incoming power is present in accordance with the network design drawings The voltage should be within the amplifier specification and thenetwork design drawing calculation 3 Install the input port fuse per the network design drawings and ensure that it is fully inserted into the fuse holder f...

Страница 18: ... Connect a spectrum analyzer to the input 20 dB test point then measure and record the RF pilot frequencies input levels as per the design drawings DBE 1200S input testpoint Note Ensure all amplifier ports are connected to a 75 Ω terminated load so that the RF test instrument readings are correct ...

Страница 19: ...ed up before it is deployed 1 The BLx should connect with the amplifier control module automatically when the software is running and the computer is connected to the control module via the USB cable To connect manually with the BLx software running click on Scan Bus at the top left of the application screen This enables the BLx application to connect to the DBDCM control module Once the communica...

Страница 20: ... application click on Send to amp on the bottom right of the screen at the left side of the control panel to set these values electronically 3 The downstream Inter stage equalizer and Inter stage attenuator can be set as required by the network system design documentation in two ways You can set them in the amplifier schematic inter stage tabs or in the table to the right of the application screen...

Страница 21: ...ter view table to the right of the application screen click on Send to amp to set these values electronically Then check the tilt slope between the pilot frequencies on the spectrum Pre stage equalizer dB 5 Next set the pilot frequencies levels to the network system design levels by changing the Pre stage attenuator values in the amplifier tab schematic or parameter view table Remember to click on...

Страница 22: ...the File tab and then click on Save backup file to save the setting to a suitable location on the laptop The file name will appear as the amplifier name as in the screen shot below and the date at time of saving For example 16th and Pearl 13 Jul 2017 xml and can be modified by the user ...

Страница 23: ...ath upstream alignment level and add 20 dB for the 20 dB test point so that the correct level is injected into the amplifier Use a signal generator with two CW carriers at 16 and 64 MHz at a 40 dBmV output level 3 Using a laptop with the Technetix BLL software installed or an Android device with the Technetix BLA software installed connect the appropriate USB lead between the laptop and the amplif...

Страница 24: ...ician s RF spectrum analyzer test meter should be connected to the test point where the return path signals can be seen from a signal generator Advise the technician at the amplifier being setup to adjust the upstream tilt so that the two CW signals are at the same level Equalizer dB ...

Страница 25: ...1 Set the return path sweep generator output to the required return path upstream alignment level plus 20 dBmV to overcome the 20 dB test point Connect the test equipment return sweep output to the 20 dB output test point and the return sweep RF forward data to the 20 dB input monitoring test point Using the BLL software adjust the amplifier upstream tilt then the attenuation to obtain a flat swee...

Страница 26: ...ed electronically on the laptop or Android device 3 To save the amplifier settings electronically enter the amplifier ID number into the Amplifier name field as shown below Use the same name as for the upstream activation 4 Next click on the Tools tab and then click on Save current state to file to save the setting to a suitable location on the laptop Filename will be the amplifier name as in the ...

Страница 27: ...move the PSU electrical connectors securing clips and unplug the connector Screws securing power supply 2 Remove the four crosshead Phillips screws that secure the power supply to the PSU 3 Remove the PSU from the DBE 1200 housing Installation is the reverse of removal 1 Place the PSU into the lid and secure the PSU into place with the four screws 2 Connect the electrical connectors to the PSU 3 A...

Страница 28: ...nd push firmly and squarely down onto the unit until it is fully seated Secure it by tightening the two screws to a torque value of 1 1 ft lbs 1 5 N m Upstream 1 To remove a module unscrew the two screws holding it in place Grip the ends of the module and apply a gentle rocking motion while pulling the module at the same time until it comes out of the housing 2 To install the module place it into ...

Страница 29: ...good electrical contact Grip here Diplex guide pegs Diplex guide peg holes 2 To install a diplex filter Guide the filter guide pegs onto the slots in the amplifier circuit board and then push down evenly on the diplex filter until it is fully seated into the amplifier Take care to avoid damaging the connectors DBx diplex filter removal tool With the roll out of 204 MHz in sight MSOs are starting t...

Страница 30: ...ailable contact your sales representative for more information 5 2 Downstream connection The DBRX A 1 can receive wavelengths from 1100 nm to 1610 nm from the headend Connect the downstream fiber to an optical power meter and check that the level falls within the operating window of the optical AGC from 7 dBm to 1 dBm Operating in this range guarantees maximum available output power When the level...

Страница 31: ... A test point is located on all laser boards which can be used to set the Optical Modulation Index OMI to a satisfactory level Depending on the number of upstream channels you can theoretically divide the 100 OMI available over the respective channels The higher the OMI percentage the better the uplink performance The upstream RF level can be measured by using an MCX Connector Technetix part numbe...

Страница 32: ...re available in 2 4 8 channel configuration The common port is used to connect the external fiber All other connections are made to the dedicated wavelengths of the CWDM module Mini CWDM filter 4 and 8 channel for use in DBE series fiber node Tube style CDWM filter 2 channel for use in DBC and DBD series fiber node Cassette style CWDM filter 2 4 and 8 channel for use in headend LGX style cassettes...

Страница 33: ... are used to reduce the RF level for the individual ports to a satisfactory level to achieve the optimum OMI This can be done by changing the values of the elements in the block diagram or by using the menu on the right side panel in the Graphical User Interface GUI The IDS switches are available to use when ingress occurs and you need to troubleshoot to find the affected network branch The downst...

Страница 34: ...move the metal RF shield from the input diplexer and pull the input diplexer straight out with either linesman s pliers or Technetix diplexer removal tool Reinstall the RF shield 2 Remove the two upstream amplifiers and the three downstream amplifiers by loosening the two captive hold down screws and then pulling the amplifiers out vertically 3 Insert two optical transmitters in the upstream ampli...

Страница 35: ...sing two screws shown in the close up below two screws for the fiber management hinge 5 Install the fiber management tray in the lid and install the fiber cables as shown being careful to ensure that the fibers are securely captive in the fiber management hinge Insert the SC APC connectors into the receptacles ...

Страница 36: ...ch as possible as these have a wider bending radius for thicker pig tails Connect the fibers to the transmitters and receivers using the included receptacles as shown SC connector receptacles Fiber node cable assembly 7 Close the fiber tray 8 Connect the USB cable to the digital control module and configure the settings using the BLx software 9 Remove the USB cable and close the amplifier ensuring...

Страница 37: ...g in laser board 1550 nm 3 dBm analog DBLB cxx 3D 1 Plug in laser board CWDM wavelength selection 3 dBm analog DBLB CB 1 Combining board for hybrid RF Node configuration which combines upstream over signal laser DBLB BP 1 Terminating board also called a bypass board in case of a single upstream in a DBE for the secon slot in DBTX A 1 19011201 MCX to F female adapter for measuring upstream RF level...

Страница 38: ...es and specifications are subject to change without notice Technetix the Technetix logo Ingress Safe and Modem Safe logos and certain other marks and logos are trademarks and registered trademarks of Technetix Group Limited in the UK and certain other countries MoCA is a registered trademark of the Multimedia Over Coax Alliance Other brand and company names are the property of their respective own...

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