Aiphone KCW-D/B User Manual Download Page 4

OPERATIONS

Using the KCW-D/B for VIDEO OUTPUT with the KC, GF, JA, JB, and MK systems:

1.  When a call is initiated from the door station (KC, JA, JB, MK) 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/B 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, DVR, 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, JA, JB, MK systems only:

When the MONITOR button on any monitor is pressed, the video will turn on 

for approximately 30 seconds to 2-½ minutes (depending on system), and video signal will be sent to the 
monitor via the KCW-D/B.

GF System Only: 

Video is present at the KCW-D/B 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/B.This application 

will shorten the life of the camera.

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]

Pg. 4

KCW-D/B Instr.

0306JDJS

SPECIFICATIONS:

Power:

18 or 24V DC. Use Aiphone model PS-2420UL, PS-2410LC, or PS-1820UL

Current consumption:

500mA

Wire: 18AWG, 

2-conductor 

non-shielded 

Use Aiphone wire #871802 

Wiring distance:

ALL DISTANCES ARE WITH 18 AWG WIRE.

Demodulator:

Max. 30' from monitor when used for video output.
Max. 330' from KC and MK door station when used with a standard monitor.

Power supply:

Max. 16' to KCW-D/B

Dimensions:

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

COAXIAL CABLE:

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

DC resistance:

Max. 15W per 1000 feet

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/B faceplate.

Video Output Control

Note:

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

Hi

Lo

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