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Littfinski DatenTechnik (LDT)
Bühler electronic GmbH
DigitalBooster DB-4
The DigitalBooster DB-4 is a short-circuit protected
Power-Amplifier (Booster) for digital Model Railway
Layouts from the Digital-Professional-Series!
The DB-4 amplifies the digital formats of Märklin-
>> finished module in a case <<
Digital-Profi werden!
DigitalBooster
DB-4
2,5 / 4,5 Ampere Booster für die Digitalformate Märklin-
Motorola, mfx®, M4 und DCC.
2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4
and DCC.
Multi-Digital
KL2
KL4
KL3
ST1
A
C D E
STOP/GO
Feedback
This product is not a toy! Not suitable for children under 14 years. Improper use will imply danger or injuries due to
sharp edges and tips! Please store this instruction carefully.
Multi-Digital
Ulmenstraße 43
15370 Fredersdorf / Germany
Manual
Motorola, mfx
DB-4-G
Part-No.:
Littfinski DatenTechnik (LDT)
www.ldt-infocenter.com
DB-4
Rev. 1.4
ST2
IN
OUT
CE Part-No.:
1370365
Tel.: +49 (0) 33439 / 867-0
®
, M4 and DCC.
080073
The DigitalBooster DB-4 provides a
maximum digital current of 2.5 or 4.5
Ampere and amplifies the digital
formats of Märklin-Motorola, mfx
and DCC.
The DB-4 can operate with several
digital command stations by using the
5-poles booster bus, the CDE booster
bus or the Roco-booster bus.
The DigitalBooster DB-4 receives the
power supply not from a classical
model railway transformer but from
the switched mode mains power
supply DB-4 PowerSupply. On this
unit is the stabilized digital track
voltage adjustable between 15 and 24
Volt, suitable for all track gauges.
®
, M4

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Summary of Contents for LDT DigitalBooster DB-4-G

  • Page 1 Littfinski DatenTechnik (LDT) • • • Bühler electronic GmbH Ulmenstraße 43 15370 Fredersdorf / Germany Tel.: +49 (0) 33439 / 867-0 Manual DigitalBooster DB-4 The DigitalBooster DB-4 is a short-circuit protected Power-Amplifier (Booster) for digital Model Railway Layouts from the Digital-Professional-Series! The DB-4 amplifies the digital formats of Märklin-...
  • Page 2: Table Of Contents

    DigitalBooster DB-4 – Manual Content: Page Preface / Safety Instruction DB-4 connection to the digital command station or to other boosters 2.1. DB-4 connection via the 5-poles Boosterbus 2.2. DB-4 connection via the CDE-Booster bus 2.3. DB-4 connection via the Roco-Booster bus DB-4 connection to the Switched Mode Mains Power Supply DB-4 PowerSupply DB-4 connection to an Own Track Section...
  • Page 3: Preface / Safety Instruction

    The finished module in a case comes with 24 month warranty. • Please read the following instructions carefully. Warranty will expire due to damages caused by disregarding the operation instructions. LDT will not be liable for any consequential damages caused by improper use or installation.
  • Page 4: Connection To The Digital Command Station Or To Other

    DigitalBooster DB-4 – Manual 2. DB-4 connection to the Digital-Command-Station or to other Booster: The galvanic separated boosterbus connections enables the application of the DigitalBooster DB-4 in connection with several command stations by using the 5-poles Boosterbus, the CDE-Boosterbus or the Roco-Boosterbus. The DB-4 is no Booster-Adapter.
  • Page 5: Connection Via The Cde-Boosterbus

    Motorola, mfx®, M4 und DCC. Motorola, mfx®, M4 und DCC. 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 and DCC. and DCC. Littfinski DatenTechnik (LDT) Littfinski DatenTechnik (LDT) Multi-Digital Multi-Digital www.ldt-infocenter.com www.ldt-infocenter.com...
  • Page 6 Motorola, mfx®, M4 und DCC. Motorola, mfx®, M4 und DCC. 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 and DCC. and DCC. Littfinski DatenTechnik (LDT) Littfinski DatenTechnik (LDT) Multi-Digital Multi-Digital www.ldt-infocenter.com www.ldt-infocenter.com...
  • Page 7: Connection Via The Roco-Boosterbus

    Motorola, mfx®, M4 und DCC. Motorola, mfx®, M4 und DCC. 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 and DCC. and DCC. Littfinski DatenTechnik (LDT) Littfinski DatenTechnik (LDT) Multi-Digital Multi-Digital www.ldt-infocenter.com www.ldt-infocenter.com...
  • Page 8: Connection To An Own Track Section

    2,5 / 4,5 Ampere Booster für die Digitalformate Märklin- Motorola, mfx®, M4 und DCC. From command station 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 or booster and DCC. Littfinski DatenTechnik (LDT) Multi-Digital www.ldt-infocenter.com DB-4 Rev. 1.4 C D E...
  • Page 9 Digital-Profi werden! Booster Trennstellen Modul BTM-SG Trennstellenisolierung mit automatischer Booster- umschaltung über Sensorgleise. Booster Keep Separate Module. Littfinski DatenTechnik (LDT) Multi-Digital www.ldt-infocenter.com BTM-SG Rev. 1.1 br. rot braun 16...18V...
  • Page 10 2,5 / 4,5 Ampere Booster für die Digitalformate Märklin- Motorola, mfx®, M4 und DCC. From command station 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 or booster and DCC. Littfinski DatenTechnik (LDT) Multi-Digital www.ldt-infocenter.com DB-4 Rev. 1.4 C D E...
  • Page 11 DigitalBooster DB-4 – Manual 5. Booster in Operation: All jumpers of the DB-4 are set ex-factory. The DigitalBooster DB-4 can be used immediately at the supplied condition. The factory setting is recommended for the first implementation of the unit. For selecting different operation modes after the first implementation please attend to the chapter “Adjusting Operation Modes with Jumpers”.
  • Page 12 DigitalBooster DB-4 – Manual If you use a larger and therefore mechanically and electrically more rugged gauge you can remove the jumper J5. The DigitalBooster DB-4 will now supply a maximum digital current of 4.5 Ampere to the connected track. 6.2.
  • Page 13 DigitalBooster DB-4 – Manual With the output “Feedback“ of the DigitalBoosters DB-4 is it possible to inform your model railway software if the tracks receive presently digital current from the DB-4 or if the tracks are switched voltage-free caused by a short-circuit. 6.5.
  • Page 14 DigitalBooster DB-4 – Manual The following programming samples are indicating how to employ four-fold address groups with 8 keys of a switch board. The address has been indicated between the respective pair of keys. The two keys red and green for each address are the two possible switch directions of this address with reference to the turnout direction round and straight.
  • Page 15 DigitalBooster DB-4 – Manual At the following sample the On-/Off switch function assign the four-fold address block 1 to 4 and the WatchDog-Function the addresses 5 to 8. The On-/Off switch function will be controlled by the address 3 and the WatchDog- Function with the address 5.
  • Page 16 DigitalBooster DB-4 – Manual The programming for the on-/off switch function is now completed but can repeated at any time. 3. Depress now again the key S1 to come into the programming mode for the address section of the WatchDog-Function. The red LED flashes. 4.
  • Page 17 DigitalBooster DB-4 – Manual After a new start of the digital command station, PC and model railway software the DigitalBooster DB-4 will react immediately to the received commands and will supply again digital current to the tracks. If the model railway software will be finalized the software will deactivate at first the WatchDog-Function with the command basic address “round”...
  • Page 18 DigitalBooster DB-4 2,5 / 4,5 Ampere Booster für die Digitalformate Märklin- Motorola, mfx®, M4 und DCC. 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 and DCC. Stop/Go Littfinski DatenTechnik (LDT) Multi-Digital www.ldt-infocenter.com DB-4 Rev. 1.4 C D E STOP/GO...
  • Page 19 2,5 / 4,5 Ampere Booster für die Digitalformate Märklin- Rückmeldemodul Motorola, mfx®, M4 und DCC. 2,5 / 4,5 ampere booster for Märklin-Motorola, mfx®, M4 RM-88-N and DCC. 16 Rückmeldeeingänge für den s88-Rückmeldebus. Littfinski DatenTechnik (LDT) Multi-Digital www.ldt-infocenter.com s88-N Littfinski DatenTechnik (LDT) www.ldt-infocenter.com DB-4 Littfinski DatenTechnik (LDT) Rückmeldemodul RM-88-N...
  • Page 20 15370 Fredersdorf / Germany Phone: +49 (0) 33439 / 867-0 Internet: www.ldt-infocenter.com Subject to technical changes and errors. © 07/2019 by LDT Märklin and Motorola are registered trademarks. *RailCom® is a registered trademark from the company Lenz Elektronik, Giessen, Germany.

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080073

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