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KCW-D/A

Video Demodulator for the KC & GF Series Video Systems

- INSTRUCTIONS -

The KCW-D/A adaptor converts the 2-wire video signal from the KC and GF systems to a standard composite video output signal. This allows the image from the door station to be seen on a standard CCTV monitor or TV (video input). The video image can also be recorded if connected into a VCR or time lapse recorder.

WIRING DIAGRAM: KCW-D/A for Composite Video Output from a KC monitor

KC-DAR

KC-1GRD/

KC-1HRD KCW-D/A

A1

A2

1A1

1A2

DA1

DA2

Composite video output

PS-2420UL

Center cond. to

DV+

Braid to DVb

E

DV+

DV-

KCW-D/A TERMINAL DEFINITIONS:

DA1 2-Wire input from

DA2

DV+

KC or GF monitor

Coax output: Center cond.

+

-

DVb

E

Coax output: Braided shield

Pos. 10V Output for Relay (KC Only)

Neg. 10V Output for Relay (KC Only)

Positive 24V DC

Negative

+

-

+

-

+

-

Output Signal:

75 ohm, 1V peak-to-peak.

Coax: Solid copper core with copper braid.

KC Video Door Station with Standard Monitor

(No audio communication or Tilt capabilities)

KC-DAR

A1

A2

IMPORTANT:

CN3 speaker microphone connector inside KC-DAR must be unplugged to prevent the possibility of feedback.

KCW-D/A

DA1

DA2

Auxiliary Light RY-PA

NOTE:

Relay will activate and auxiliary light will illuminate while the KC-DAR is active.

b

E

DV+

DV-

To standard monitor or monitor input on a video switcher.

Center conductor to

DV+

Braid to DV-

To Aux Light Power Supply

PS-2420UL

+

-

Switch

(not supplied by Aiphone)

+

-

Solder jumper wire between two holes in land pattern.

(JP101 A-to-A JP102 B-to-B

Component side view)

TO POWER THE CAMERA:

(1) WHEN IN USE

- Install a switch or relay contact in series with the "+" terminal from the power supply (see diagram).

- Solder a jumper between points labeled AA & BB on the KCW-D/A main PC board (see illustration).

This allows the camera to be activated manually, or when relay contact is activated.

(2) CONTINUALLY

- Solder a jumper between points labeled AA & BB on the KCW-D/A main PC board (see illustration).

This will provide continuous power to the camera, which may cause the camera to be warm.

Note: Continually powered, the overall life of the camera will be reduced and condensation may occur.

Standard CCTV

Monitor

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WIRING DIAGRAM: KCW-D/A for Composite Video Output when any GF monitor is active

Method 1: Connecting KCW-D/A to a specific monitor

GF-VBC/GF-4Z

B1

B2

GF-BC

R1

R2

GF-1MD/

GF-1MDK

B1

B2

R1

R2

Center cond. to

DV+

Braid to DV-

24V DC

+

-

KCW-D/A

DA1

DA2

Composite video output b

E

DV+

DV-

+

-

E

+

-

KCW-D/A TERMINAL DEFINITIONS:

DA1

DA2

2-Wire input from

KC or GF monitor

DV+

DVb

Coax output: Center cond.

Coax output: Braided shield

Not functional in GF System

Not functional in GF System

Positive 24V DC

Negative

Output Signal:

75 ohm, 1V peak-to-peak.

Coax: Solid copper core with copper braid.

Notes:

1.Since the video signal is common throughout the system, video will be present from the KCW-D/A when

any GF-1MD monitor is on.

2. Any 24V DC, 1A power supply can be used to power the KCW-D/A.

Method 2: Connecting KCW-D/A directly to GF-VBC

GF-VBC

GF-VA

A1

A2

PS-2410LC

In 1

A1

A2

In 2

A1

A2

In 3

A1

A2

In 4

A1

A2

In 5

A1

A2

Out 1

B1

B2

Out 2

B1

B2

Out 3

B1

B2

Out 4

B1

B2

Out 5

B1

B2

Out 6

B1

B2

Center cond. to

DV+

Braid to DV-

KCW-D/A

DV+

DVb

E

DA1

DA2

Composite video output

+

-

+

-

+

-

E

+

-

KCW-D/A TERMINAL DEFINITIONS:

DA1

DA2

2-Wire input from

KC or GF monitor

DV+

DVb

Coax output: Center cond.

Coax output: Braided shield

Not functional in GF System

Not functional in GF System

Positive 24V DC

Negative

Output Signal:

75 ohm, 1V peak-to-peak.

Coax: Solid copper core with copper braid.

Notes:

1. Video will be present from the KCW-D/A when any entrance panel is on, broadcasting video through all

of the outputs of the GF-VBC. The KCW-D/A can be connected to any unused output.

2. KCW-D/A can be connected to any of the six outputs on the GF-VBC, including those being

connected to GF-4Z, GF-1MD or GF-1MDK.

3. The KCW-D/A can also be connected to a GF-4Z. Wire to an output as above, but make

sure additional wires are run to the KCW-D/A for power.

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Video Output Control:

Using a small screwdriver, adjust the Video Output Control to obtain the correct level for the CCTV device you are using. The Video Output Control is located under the rubber cover on the upper right hand corner of the KCW-D/A faceplate.

Video Output Control

Lo Hi

OPERATIONS

Using the KCW-D/A for VIDEO OUTPUT with the KC and GF systems:

1. When a call is initiated from the door station (KC) or entry panel (GF), the monitor called will ring and the picture

will activate. At that time, the video signal out of the KCW-D/A adaptor will be present, and the picture can be

seen on the CCTV monitor(s).

2. The video output can be connected to any receiving device that accepts a composite video signal (75 ohm, 1V

peak-to-peak). This could be a standard CCTV monitor, multiplexer, or an adaptor that modulates the video onto

a cable TV channel. To take the video signal directly into a TV, use a spare video input or go through the proper

modulator.

NOTES:

KC System Only: When the MONITOR button on any Monitor is pressed, the video will turn on for approximately 30 seconds, and video signal will be sent to the monitor via the KCW-D/A.

GF System Only: Video is present at the KCW-D/A regardless of which monitor has been called.

Using the Demodulator to integrate a KC-DAR video door station with a standard CCTV monitor:

(No audio communication or Tilt is possible with this application.)

1. To view the camera location at any time, the camera must be powered at all times, or a switch must be installed

to turn it on. To do this, the PC board must be modified by adding a jumper wire in the location indicated on the

wiring diagram on page 1. Soldering is required. This modification should be done by qualified technicians only.

2. There is no Tilt control of the KC-DAR camera in this application.

3. There is no audio communication with the KC-DAR in this application.

4. If the camera is powered continually, there will always be a video output from the KCW-D/A.This application will

shorten the life of the camera.

SPECIFICATIONS:

Power:

Current consumption:

Wire:

Wiring distance:

Demodulator:

Power supply:

Dimensions:

COAXIAL CABLE:

DC resistance:

24V DC. Use Aiphone model PS-2420UL or PS-2410LC.

500mA

18AWG, 2-conductor non-shielded

Use Aiphone wire #841802 or 871802

ALL DISTANCES ARE WITH 18 AWG WIRE.

Max. 30' from monitor when used for video output.

Max. 330' from KC door station when used with a standard monitor.

Max. 16' to KCW-D/A

5-1/2"H x 3"W x 1-1/2"D

75 ohms, solid copper center conductor, copper braid, 95% coverage.

Max. 15W per 1000 feet

Note:

Only information pertaining to the connection and operation of the KCW-D/A and connection of a standard video monitor is included here. For complete installation, wiring, and operational information, please refer to the appropriate Installation Manual.

Aiphone Communication Systems

1700 130th Ave. N.E.

Bellevue, WA 98005

(425) 455-0510

FAX (425) 455-0071

Toll Free Technical Support:

1-800-692-0200

FAX: 1-800-832-3765

E-mail [email protected]

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KCW-D/A Instr.

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