NY Wholesale Intercom DT-BDU User Manual

DT-BDU User Manual

DT-ENG-BDU-V1 20160617

1.About DT-BDU Unit

Discription:

The BDU unit is bus amplier unit and networking component designed for DT

2-wire system. It has three work modes:R

Gateway mode

.

epeater mode, Router mode and

2. Terminal Description

DIP

ON

123456

ON

123456

In-Use

Bus Amplifier

PA PB

NoRoute Amp-ON

IN

IN

2-Wire System

INDICATORS BUTTONS

Model: BDU

Bus-IN Bus-OUT

Tx/Rx

OUT

DS

DIP Setting:

Bit-1 to Bit-2 are used to BDU working modes setting.

Bit-3 to Bit-5 are used to address settings.

Bit-6 is used to video Impendence match.

-1-

The detail settings of DIP are as follows:

Bit

Bit-1~Bit-2

Bit-3~Bit-5

Bit-6

Bit State Description

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

1 2 3 4 5 6

ON

Set to the Repeater mode.

Set to the Router mode.

Set to the Gateway mode.

Reserved.

Set to the first DT-BDU.

Set to the second DT-BDU.

Set to the third DT-BDU.

Set to the fourth DT-BDU.

Set to the fifth DT-BDU.

Set to the sixth DT-BDU.

Set to the seventh DT-BDU.

Set to the eighth DT-BDU.

Used to video Impendence match, set to ON.

INDICATORS:

1.Bus-IN: Always on when connect to net.

2.Bus-OUT: Always on when connect to monitor.

3.Tx/Rx: Flashes when communicating.

4.In-Use: Always off when in standby mode.

BUTTONS:

1.PA, PA: Video Amplier Gain adjust.

2.NoRoute, Amp-ON: Debug button.

-2-

3. Working Mode Wiring.

ON

3.1 Repeater Mode (Line amplier):BDU can extend the distance of

DT system when works in repeater mode. As follows:

Max 140m from the rst door station to BDU

Max 140m from the last indoor monitor to BDU

P C 6

P C 6

Wiring diagram:

AC~

PC6

B

Repeater Mode

AC~

1 2 3 4 5 6

BDU

PC6

B

DT-BDU

BUS(IM) BUS(DS)

-3-

OUT DS

IN IN

BUS(IM) BUS(DS)