DT-BDU

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DT-BDU | Manualzz

DT-BDU

Interface

I terface

In

User Manual

2-Wire System

Model: BDU

Bus Amplifier

Bus-IN Bus-OUT PA PB

Tx/Rx In-Use

NoRoute Amp-ON

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1.About DT-BDU Interface

DT-

BDU Interface is a bus amplifier Interface for 2-wire series House systems.

It enables long distances connections (up to 300m) and connection of large number of video monitors in House systems.

Works as a Router in Apartment System and enables to connect up to 32 x video monitors to one BDU. Or as Gateway, and enables to connect multiple

Door Stations in Apartment Buildings

2. Terminal Description

6 5 4 3 2 1

DIP

6 5 4 3 2 1

INDICATORS

2-Wire System

Model: BDU

Bus Amplifier

Bus-IN Bus-OUT PA PB

Tx/Rx In-Use

NoRoute Amp-ON

BUTTONS

OUT

DS

DIP switches Settings:

DIP1

and DIP2 to set a BDU working mode

DIP

3 - DIP5 to set address

DIP

6 - video Impendence match

IN

IN

-1-

Tables of settings

DIP

DIP

1~DIP2

DIP

3~DIP5

DIP

6

DIP

State

3 4 5 6

3 4 5 6

3 4 5 6

3 4 5 6

3 4 5 6

3 4 5 6

Set as Repeater

Set as Router

Set as Gateway

Description

Reserved

Set as the first BDU

Set as the second BDU

3 4 5 6

Set as the third BDU

3 4 5 6

Set as the fourth BDU

3 4 5 6

Set as the fifth BDU

3 4 5 6

Set as the sixth BDU

3 4 5 6

3 4 5 6

Set as the seventh BDU

Set as the eighth BDU

6

V ideo Impendence match, set to ON

-2-

INDICATORS:

1.Bus-IN: Always On when connected

2.Bus-OUT: Always On when monitors connected

3.Tx/Rx: Flashes when communicating

4.In-Use: Always Off when in standby mode;

In working state, flashes when in automatic gain mode;

In working state, steady On when in fixed gain mode

BUTTONS:

1.PA: In working mode, each time you press "PA" button to reduce the

video gear a grade(no longer reduce when the gear is 1). Not

saved. Specific gears are indicated by 4 indicators.

2.PB: In working mode, each time you press "PB" button to increase the

video gear a grade(no longer reduce when the gear is 6). Not

saved. Specific gears are indicated by 4 indicators.

3.NoRoute: In working mode, press "NoRoute" button, Use 4 LEDS to

indicate current gear gain;

In working mode, press and hold "NoRoute" button for 3

seconds to switch the working mode (In-Use will indicate); If

"PA" and "PB" button have been pressed, that is, have made

the adjustment of video amplitude, the current adjusted gear

of video gain will be saved;

4.Amp-ON: In standby mode, press "Amp-ON" button, it will be forced into

working mode (audio/video power supply open).

In working mode, press "Amp-ON" button, it will be forced into

standby mode (audio/video power supply closed).

-3-

4. BDU as Repeater in House system connected daisy chain

4.1 Repeater Mode (Line amplifier):BDU can extend the distance of

DT system when works in repeater mode. As follows:

Max 140m from the first door station to BDU

Max 140m from the last indoor monitor to BDU

BDU

P C6

Repeater Mode

P C6

BDU

BDU

Wiring diagram:

AC~

1 2 3 4 5 6

BDU

PC6

BUS(IM) BUS(DS) OUT DS IN IN

AC~

PC6

BUS(IM) BUS(DS)

-4-

4.2 Router Mode. Maximum 8 BDUs could be connected

B P C6

4 A

4 A

1

4

7

*

2

5

8

3

6

9

0 #

BDU P C6

P C6

4 A

B

BDU

-5-

Wiring diagram:

AC~

PC6

BUS(IM) BUS(DS)

1 2 3 4 5 6

BDU

OUT DS IN IN

AC~

PC6

BUS(IM) BUS(DS)

1 2 3 4 5 6

BDU

OUT DS IN IN

AC~

PC6

BUS(IM) BUS(DS)

1

4

7

*

2

5

8

0

3

6

9

#

-6-

4.3 Gateway Mode: Common door station can call all monitors

(maximum 7 x BDU, 224 Video monitors)

4 A 4 A

4 A

PC6 B

1

4

7

*

2

5

3

6

8

0

9

#

PC6

B

PC6

4 A

4A

B

DBC4A

BDU

-7-

Wiring diagram:

AC~

PC6

BUS(IM) BUS(DS)

1 2 3 4 5 6

BDU

OUT DS IN IN

AC~

PC6

BUS(IM) BUS(DS)

1 2 3 4 5 6

BDU

OUT DS IN IN

AC~

PC6

BUS(IM) BUS(DS)

*

1

4

7

2

5

8

0

3

6

9

#

-8-

Mounting

Din rail

Step1: Mount the din rail to the wall with screws

Step2: Pull down the mounting buckle, then hang the unit on din rail

Din rail

Mounting Buckle

5. Specification

• Power:

• Power consumption:

DC24V

Standby 13.5mA; Working 156mA

• Working Temperature: -15

0

C~+55

0

C

• Wiring: 2 wire,no-polarity

• Dimensions: 90(H)×72(W)×60(D)mm

-9-

The design and specifications can be changed without notice to the user. Right to interpret and copyright of this manual are preserved.

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