Software .....................................2 Installing the BLA software on a phone or tablet ...........................2 Modules available for the DBD-1200 .............................3 Chapter 1: Overview of the DBD-1200 ...........................4 Chapter 2: RF amplifier ................................5 Chapter 3: Installing the DBD-1200 ............................6 3.1 Housing mounting .......................................6 3.1.1 Using side brackets ....................................6...
Intended audience The DBD-1200 User Guide is intended for network engineers and technicians responsible for planning, configuring, installing and testing the Technetix DBD-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 DBD-1200: ■...
Software The software required to configure a DBD-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.
Modules available for the DBD-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 DBUS-D-1 Bridger module: 204MHz US amplifier 26dB gain and IDS Downstream (DS) DBDS-B-4-1 Main: 1.2GHz DS amplifier 44dB...
Chapter 1: Overview of the DBD-1200 The Technetix DBD-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).
5/8” threaded connectors 11. Port power directors/fuses (micro2 automotive) 19. Port 1 RF output port- PG11 thread with optional 5/8” 12. Input -20 dB test point (omnidirectional) reducing ring for 5/8” threaded connectors Technetix Group Limited Rev.1.0.1_0217...
Chapter 3: Installing the DBD-1200 3.1 Housing mounting There are two options for mounting the DBD-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).
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. DBD-1200 housing 6.0mm MAX Housing 6mm threaded bolt holes @140mm centres (Figure 1) Technetix Group Limited Rev.1.0.1_0217...
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...
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 within parameters when installed as recommended. Technetix Group Limited Rev.1.0.1_0217...
3.4 Configuring the PSU The DBD-1200 has the following power supply options: 1. Local powering is possible on RF port 4 (bypass port) using a power inserter 2. Remote powering. Maximum AC power passing = 10 See page 27 for removal/installation of PSU unit.
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...
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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...
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...
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...
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Electronic setup downstream Note: For advanced settings and configurations, please refer to the latest release of our BLL Using a laptop with the Technetix BLL software installed, connect the laptop and the amplifier. Technetix Group Limited Rev.1.0.1_0217...
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BLL application to connect to the DBDCM module. Once the amplifier communication is established, the amplifier type name will appear at the top left of the application. With the latest versions BLL the above is done automatically. Rev.1.0.1_0217 Technetix Group Limited...
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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. Technetix Group Limited Rev.1.0.1_0217...
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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) Rev.1.0.1_0217 Technetix Group Limited...
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To save the amplifier settings electronically, enter the amplifier ID number into the Amplifier name field as shown on the right. Next, click on the File tab and then click on Save backup file. File name will be amplifier name as in the screen shot above and the date at time of saving. Technetix Group Limited Rev.1.0.1_0217...
Use a signal generator with 2 x CW carriers at 16 and 64 MHz at a 40 dBmV output level. 3. Using a laptop with the Technetix BLL software installed, connect the appropriate USB lead between the laptop and the amplifier DBDCM module. Start the BLL software on the laptop.
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This technician’s RF spectrum analyser 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 2 x CW signals are at the same level. Equaliser (dB) Technetix Group Limited Rev.1.0.1_0217...
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2. Once the amplifier upstream/return path is commissioned, software values can be recorded on the PSU lid label using a fine tip permanent marker pen. They can also be saved electronically. Rev.1.0.1_0217 Technetix Group Limited...
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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. Technetix Group Limited Rev.1.0.1_0217...
1. Remove the 2 x PSU cover plate crosshead screws, then the PSU cover plate 2. Unscrew the 2 x PSU holding screws. Remove the PSU by lifting it carefully and sliding the grounding pass- through PSU leads’ clips out of their slots. Rev.1.0.1_0217 Technetix Group Limited...
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3. Next, using a screwdriver, release the PSU electrical connectors’ securing clips and unplug the leads. 4. Remove the PSU from the DBD-1200 housing. Technetix Group Limited Rev.1.0.1_0217...
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Slide the grounding pass-through PSU leads’ clips into the housing slots, ensuring they are seated down to the bottom of the slots. a. Replace the PSU cover and secure it with 2 x crosshead screws. b. Apply power and ensure that the PSU green LED is on, indicating that the PSU is functioning. Rev.1.0.1_0217 Technetix Group Limited...
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 2 x screws to a torque value of 1.5 Nm. Technetix Group Limited Rev.1.0.1_0217...
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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 Rev.1.0.1_0217 Technetix Group Limited...
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. Technetix Group Limited Rev.1.0.1_0217...
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 (%) Rev.1.0.1_0217 Technetix Group Limited...
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. Technetix Group Limited Rev.1.0.1_0217...
(replacing the RF forward amplifier) and the upstream transmitter into the top slot (replacing the the return amplifier). Install the fibre tray in the position of the input diplex filter and secure it with a screw. Rev.1.0.1_0217 Technetix Group Limited...
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Connect USB cable to digital control module and configure settings using the DBx software. All settings for the optical module can be executed the same configuration as a RF amplifier Close DBx product ensuring all bolts are secured correctly. Technetix Group Limited Rev.1.0.1_0217...
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.
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