technetix DBC-1200 User Manual
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technetix DBC-1200 User Manual

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DBC-1200
USER GUIDE
Online
Email: customer.service.vdl@technetix.com
Website: technetix.com
Rev.1_0.1_0217

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Summary of Contents for technetix DBC-1200

  • Page 1 DBC-1200 USER GUIDE Online Email: customer.service.vdl@technetix.com Website: technetix.com Rev.1_0.1_0217...

  • Page 2: Table Of Contents

    Software .....................................2 Installing the BLA software on a phone or tablet ...........................2 Modules available for the DBC-1200 .............................3 Chapter 1: Overview of the DBC-1200 ...........................4 Chapter 2: RF amplifier ................................5 Chapter 3: Installing the DBC-1200 ............................6 3.1 Housing mounting .......................................6 3.1.1 Using side brackets ....................................6...

  • Page 3: Safety

    Intended audience The DBC-1200 User Guide is intended for network engineers and technicians responsible for planning, configuring, installing and testing the Technetix DBC-1200 amplifier. Installers should have a working knowledge of coaxial cable systems and cabling practices. Specific tools list The following tools and supplies are required when installing a DBC-1200: ■...

  • Page 4: Software

    Software The software required to configure a DBC-1200 depends on the device being used to connect to the modules within the amplifier: ■ Laptop – BLL software. Requires Windows OS. ■ Android – BLA software. Android version 4.1 or higher and USB host.

  • Page 5: Modules Available For The Dbc-1200

    Modules available for the DBC-1200 Upstream (US) DBUS-A-1 Main module: 105MHz US amplifier 25dB gain and IDS DBUS-C-1 Main module: 204MHz US amplifier 26dB gain and IDS Downstream (DS) DBDS-B-4-1 Main: 1.2GHz DS amplifier 44dB - 49dbmV output DBDS-B-4-ET Main: 1.2GHz DS amplifier 44dB - 49dbmV output - ET.25dB tilt DBDS-B-5-1 Main: 1.2GHz DS amplifier 38dB - 49dbmV output...

  • Page 6: Chapter 1: Overview Of The Dbc-1200

    Chapter 1: Overview of the DBC-1200 The Technetix DBC-1200 amplifier is an innovative ‘crossover’ design which provides a field upgradeable solution to deep fibre/fibre to the last amplifier (FttLA). Its RF function can be configured for use as single, dual or triple output device (with or without an internal splitter/directional coupler).

  • Page 7: Chapter 2: Rf Amplifier

    TX DC-8; tap 12 dB TX DC-12 19. Port 1 RF output port- PG11 thread with optional 5/8” 11. Port power directors/fuses (micro2 automotive) reducing ring for 5/8” threaded connectors 12. Input -20 dB test point (omnidirectional) Technetix Group Limited Rev.1._0.1_0217...

  • Page 8: Chapter 3: Installing The Dbc-1200

    Chapter 3: Installing the DBC-1200 3.1 Housing mounting There are two options for mounting the DBC-1200 amplifier: 3.1.1 Using side brackets The unit is supplied with 2 x ‘L’ brackets that are attached onto the side of the unit using the 2 x 6mm threaded 10mm long countersunk screws provided (see the pictures below).

  • Page 9: Rear Mounting Direct To Cabinet Back Panel

    6mm, otherwise they may protrude through the back board. The bolt total length dimension to be used is 6mm + back board thickness dimension + washer thickness dimension. DBC-1200 housing 6.0mm MAX Housing 6mm threaded bolt holes @140mm centres (Figure 1) Technetix Group Limited Rev.1._0.1_0217...

  • Page 10: Installing Coaxial

    2. Tighten the connectors into the housing in accordance with the connector manufacturer’s specification. The maximum torque force for the PG-11_5/8 adapter ring is 20 Nm. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 11: Closing Amplifier

    3. A good lid to housing contact for the dissipation of amplifier heat. The lid acts as a radiator when it is correctly secured, keeping the amplifier operating temperature down to within the correct parameters when installed as recommended. Technetix Group Limited Rev.1._0.1_0217...

  • Page 12: Configuring The Psu

    -20 dB DBUS-C1 upstream testpoint 3.4 Configuring the PSU The DBC-1200 has the following power supply options: -20 dB testpoint Control module 1. Local powering is possible on RF port 3 (bypass port) using a power inserter 2. Remote powering, maximum AC power passing = 10 See page 27 for removal/installation of PSU unit.

  • Page 13: Powering Up The Amplifier

    2. Use a true RMS digital voltmeter to confirm AC power is present on the incoming power port in accordance with the network design drawings. The voltage should be within the amplifier specification and the network design drawing calculation. Technetix Group Limited Rev.1._0.1_0217...
  • Page 14 3. Install the fuse (power director) ensuring it is fully inserted into the fuse holder in the relevant port for incoming AC power. Check that the amplifier DBDCM module LED (DBDCM-Ax = red, DBDCM-Cx = green) and the PSU LED. (Figure 5) Rev.1._0.1_0217 Technetix Group Limited...

  • Page 15: Downstream Configuration

    RF into Port 1 When installing a directional coupler, ensure that it is inserted the correct way round so that the through leg is passing RF to the correct port as required by the network design documentation. Technetix Group Limited Rev.1._0.1_0217...

  • Page 16: Downstream Activation

    Connect a spectrum analyser to the input -20 dB test point, then measure and record the RF pilot frequencies’ input levels as per the design drawings. Note: ensure all amplifier ports are connected to a 75Ω terminated load so that the RF test instrument readings are correct. Rev.1._0.1_0217 Technetix Group Limited...
  • Page 17 RF configuration -20 dB DBUS-C1 upstream testpoint -20 dB testpoint Control module DBDS-B-x-xx downstream SPS unit Auto fuses Local Power Input Output port 2 Output port 1 input port by-pass port (available with plug-in splitter) Technetix Group Limited Rev.1._0.1_0217...
  • Page 18 Electronic setup downstream Note: for advanced settings and configurations, please refer to the latest release of our BLL software. Using a laptop with the Technetix BLL software installed, connect the laptop and the amplifier. Rev.1._0.1_0217 Technetix Group Limited...
  • Page 19 DBDCM module. Once the amplifier communication is established, the amplifier type name will appear at the top left of the application (this process is carried out automatically with the latest versions of BLL software - please specify version numbers). Technetix Group Limited Rev.1._0.1_0217...
  • Page 20 You can set them in the amplifier schematic inter-stage tabs or in the table to the right of the application screen (see the screen shot below). Once the values are set in the application, click on Send to amp to set these values electronically. Rev.1._0.1_0217 Technetix Group Limited...
  • Page 21 5. Next set the pilot frequencies’ levels by changing the Pre-stage attenuator values in the amplifier tab schematic or parameter view table. Remember to click on Send to amp after changing the values in the BLL application and check that the levels are correct on the RF spectrum analyser. Pre-stage Attenuator (dB) Technetix Group Limited Rev.1._0.1_0217...
  • Page 22 To save the amplifier settings electronically, enter the amplifier ID number into the Amplifier name field as shown below. Next, click on the File tab and then select on Save backup file. File name will be amplifier name as in the screen shot above and the date at time of saving. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 23: Upstream Activation

    Use a signal generator with 2 x CW carriers at 16 and 64 MHz at a 40 dBmV output level. 3. Connect a laptop (with the BLL software installed) to the amplifier DBDCM module using a standard USB cable. Start the BLL software on the laptop. Technetix Group Limited Rev.1._0.1_0217...
  • Page 24 Advise the technician at the amplifier being setup to adjust the upstream tilt so that the 2 x CW signals are at the same level. Equaliser (dB) Rev.1._0.1_0217 Technetix Group Limited...
  • Page 25 RF forward data to the -20 dB input monitoring test point. Using the BLL software, adjust the amplifier upstream tilt followed by the attenuation to obtain a flat sweep response at the correct level for the upstream network design. Technetix Group Limited Rev.1._0.1_0217...
  • Page 26 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. File name will be the amplifier name as in the screen shot and the date at time of saving. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 27: Chapter 4: Maintenance

    1. Remove the 2 x PSU cover plate crosshead screws, then the PSU cover plate 2. Unscrew both PSU holding screws. Remove the PSU by lifting it carefully and sliding the grounding pass- through PSU leads’ clips out of their slots. Technetix Group Limited Rev.1._0.1_0217...
  • Page 28 3. Use a screwdriver to release the PSU electrical connectors’ securing clips and unplug the leads 4. Remove the PSU from the DBC-1200 housing. 5. Installation is the reverse of removal: a. Connect the electrical connectors to the PSU. b. Place the PSU into the housing and secure the PSU with the 2 holding screws.

  • Page 29: Amplifier Module Replacement

    2. To install the module, place it into the downstream slot and push firmly and squarely down onto the unit until it is fully seated. Secure it by tightening the screws to a torque value of 1.5 Nm. Technetix Group Limited Rev.1._0.1_0217...
  • Page 30 2. To install the module, place it into the upstream slot and push firmly and squarely down onto the unit until it is fully seated. Secure it by tightening the screws to a torque value of 1.5 Nm. Rev.1._0.1_0217 Technetix Group Limited...
  • Page 31 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. Diplex guide pegs Diplex guide peg holes Technetix Group Limited Rev.1._0.1_0217...

  • Page 32: Chapter 5: Optical Node 1X1

    When the level is within range, connect the fibre to the WDM or the downstream receiver and the downstream feed will become active. The more tilt applied in the range up to 12dB. Use attenuators to limit the output power to the required input level of the product minus the cable loss. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 33: Upstream Connection

    The higher the OMI percentage, the better your uplink. The upstream RF level can be measured by using an MCX to F-female adapter (DBLB-TP-CON) connected to a spectrum analyzer. DBLB testpoint (dBmV) DBLB testpoint (dBµV) OMI (%) Technetix Group Limited Rev.1._0.1_0217...

  • Page 34: Cwdm Applications

    The RF end stage is controllable and can be set to high or low power mode. When maximum output power is not required it can be configured to low power, saving 2 watts power consumption. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 35: Upgrading A Rf Amplifier Into An Optical Node

    (replacing the RF forward amplifier) and the upstream transmitter into the top slot (replacing the return amplifier). Install the fibre tray in the position of the input diplex filter and secure it with a screw. Technetix Group Limited Rev.1._0.1_0217...
  • Page 36 RF amplifier Close DBx product, ensuring all bolts are secured correctly. The upgrade of the amplifier to an optical fibre node is now completed. Rev.1._0.1_0217 Technetix Group Limited...

  • Page 37: Optical Modules

    Terminating board in case of a single upstream in a DBC for the 2nd slot in DBTX-A-1 DBLB-TP-CON MCX to F-Female adapter for measuring upstream RF level Other output power options are available, please contact your local sales representative for further information. details available technetix.com Technetix Group Limited Rev.1._0.1_0217...
  • Page 38 This document is for information only. Features and specifications are subject to change without notice. Technetix, the Technetix logo, Ingress Safe, Modem Safe and certain other marks and logos are trade marks or registered trade marks of Technetix Group Limited in the UK and certain other countries.
  • Page 39 Rev.1.DBC_0.1_0217 Rev.1._0.1_0217 Technetix Group Limited...

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