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7

Notes:

1. All wiring is #22AWG unless shown otherwise.
2. When using a PINHOLE type camera, instead of the standard S.T.R.

modular type camera, see the special

camera installation and connection instructions found on page 8, and do not power as shown above.

3. DO NOT CONNECT MORE THAN 10 MONITORS PER RISER/LINE.
4. Observe all local and national electrical and building codes.
5. All terminals connections shown may not be in the order that they appear on the equipment.

TYPICAL WIRING DIAGRAM FOR DUAL ENTRANCE SYSTEM

WITH S.T.R.

STYLE CAMERA AND ONE (1) VIDEO RISER

(NO VIDEO DISTRIBUTORS)

Note: For systems with more

than two (2) entrances, or other

configurations, please consult the

factory or your nearest Alpha

Communications® distributor.

VH30CAK or

Note: When using the
model VCU6-2 power
supply instead of the
VCU6 power supply,
the 'KAM' terminals
will be shown as
'CAM' instead.

Summary of Contents for VH30CAK Series

Page 1: ... at a convenient speaking location at the building entry location s NOTE For best picture video quality DO NOT POINT CAMERA INTODIRECTSUNLIGHT SYSTEM TRANSFORMER s The SS146 and T1240 system transformers may be plugged into an accessible source of 117 VAC preferably within 50 15 meters of the VCU6 system power supply unit s but no closer than 3 feet 1 meter ELECTRIC DOOR OPENER OPTIONAL The DO 001...

Page 2: ...tton is making contact by shorting out the two 2 wires on the back of the button 3 NO PICTURE AT MONITOR If screen is NOT LIGHTING UP check for approximately 16VDC at and terminals on monitor PC board VH250P Check Brightness and Contrast controls on front of monitor If screen IS LIGHTING UP but there is no picture youprobablyarenotgettingavideosignalfrom be used if AC interference is a concern or ...

Page 3: ...leasechecktiming after re adjusting If that doesn t correct the problem check this out On the VCU6 amplifier power supply there are three 3 sets of and terminals for the Monitors marked M1 M1 M2 M2 M3 M3 The negative terminals are already jumped together inside the VCU6 Jump the three 3 positive terminals together as shown on diagrams 8 MONITORS DO NOT TIME OUT AT ALL Check for shorts and or groun...

Page 4: ...dpigtailwirescomingfromterminals O and LL ontheVH250P P C Board TheBlack O wiremustjumptoterminal O onthemonitorhandsetandtheRed LL wire must jump to terminal S on the monitor handset or the monitor will not activate when the handset is signalled from the entrance station s ...

Page 5: ... see the special camera installation and connection instructions found on page 8 and do not power as shown above 3 DO NOT CONNECT MORE THAN 10 MONITORS PER RISER LINE 4 Observe all local and national electrical and building codes 5 All terminals connections shown may not be in the order that they appear on the equipment VH30CAKor Note When using the model VCU6 2 power supply instead of the VCU6 po...

Page 6: ...tions found on page 8 and do not power as shown above 3 DO NOT CONNECT MORE THAN 10 MONITORS PER RISER LINE 4 Observe all local and national electrical and building codes 5 All terminals connections shown may not be in the order that they appear on the equipment Note For more information on the VDU 4 or when connecting multiple VDU 4 units together for more than 4 video risers see wiring diagram A...

Page 7: ...ational electrical and building codes 5 All terminals connections shown may not be in the order that they appear on the equipment TYPICAL WIRING DIAGRAM FOR DUAL ENTRANCE SYSTEM WITH S T R STYLE CAMERA AND ONE 1 VIDEO RISER NO VIDEO DISTRIBUTORS Note For systems with more than two 2 entrances or other configurations please consult the factory or your nearest Alpha Communications distributor VH30CA...

Page 8: ... IS SUPPLIED TO THE CAMERA USE A METER TO CHECK THE POLAR ITY OF THE NEWLY SPLICED CABLE BEFORE CONNECTING IT TO THE CAMERA THE CENTER PIN MUST BE POSITIVE USE ONLY THE SUPPLIED POWER SUPPLY POWER SUPPLY IS FOR INDOOR USE ONLY DO NOT REMOVE THE SERIAL NO STICKER AS THIS WILL VOID THE WARRANTY IF YOU ARE USING A PINHOLE STYLE CAMERA s IN PLACE OF THE STANDARD S T R STYLE CAMERA s CONNECT THE CAMERA...

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