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DAD860

DAD860 Controller

LOCK

DRAKE

DAD860

LINK

ENTER

UNIT

RS232

PROGRAM

GENERAL DESCRIPTION

The R. L. Drake DAD860 is a high quality, low

noise, frequency agile, digital to analog decoder

designed for receiving digital signals from off-air or

CATV channels. Output of the DAD860 is base-

band NTSC video and stereo audio.

The output of the DAD860 can be connected to

VMM600 or VMM860 series modulators to place the

programming on a specific off-air or CATV channel,

or to any other device requiring baseband audio and

video input such as monitors, video recorders, etc.

INSTALLATION AND MOUNTING

Install the DAD860 decoders in the RMM12 rack

mounting frame. Slide each module into the frame

from the front so that the mounting rails on the top

and bottom of the DAD860s engage the mounting

tracks on the frame. Similarly, mount the PSM121

Power Supply, again making sure that its mounting

rails line up with the tracks in the frame. Apply the

same mounting procedure to the DAD860 Controller.

Note that, while the sketches on this page show only

DAD860s installed, any combination of DAD860s and

VMM600 or VMM860 modulators could be installed. If

no controller is used, up to twelve DAD and/or VMM

modules can be installed per RMM12.

Plug the supplied power cable into the receptacle on

the rear of the PSM121 Power Supply, and attach a

connector to the POWER receptacle on the rear of

each of the DAD860s, VMM modulators, and the

DAD860 Controller if used.

+5 VDC

+12 VDC

100-240 V~

(4.5A Max)

(3A Max)

Pins 1, 4, 7,

Pins 2, 3, 5,

50/60 Hz 75 WATTS

12, 15, 18,

6, 8, 9, 11,

21, 24, 27,

13, 14, 16,

30, 33, 36

17, 19

CONFORMS TO

UL STD 1950

CERTIFIED TO

CAN/CSA STD

C22.2 NO.950-95

DAD860

LOCK

LINK

RS232

PROGRAM

VIDEO OUT

LINK

GND:

Pins 10, 20,

AUDIO

22, 23, 25,

26, 28, 29,

POWER

31, 32, 34,

35, 37

3008858

RF IN

General Description

DAD860

LOCK

LINK

RS232

PROGRAM

Parameters for the DAD860 can be set up with the

DAD860 Controller Module or by front panel RS232

connection to a PC running 'DAD860 Remote

Control Software'.

The one-unit wide module can be rack mounted

using the 12 position RMM12 rack mount, and is

10 units plus the DAD860 Controller Module, or 12

units without the Controller Module can be mounted

in the 12 position rack mount. If no controller is

required, the RMM4 chassis and power supply may

be used for up to 4 DAD860s

If the DAD860 Controller is used, plug the supplied

cable into the COMM receptacle on its rear panel.

You will note that the other end of this cable termi-

nates in ten three conductor female connectors.

Insert one of these connectors into the LINK recep-

tacle on each of the DAD860s installed in the rack.

While these connectors can be inserted in any

order, it is suggested that cables be connected to

the DAD860s in numerical order from either left to

right or right to left - depending on which side of the

rack the DAD Controller is mounted.

Connect an RF source (off-air or CATV) to the RF IN

connector on each unit and connect the VIDEO

OUT and AUDIO L and R connections to the appro-

priate inputs of each modulator or other desired

device.

Then connect the power supply power connector to

the appropriate power source using the supplied

line cord.

VIDEO OUT

LINK

AUDIO

POWER

RF IN

PSM121 POWER SUPPLY

VIDEO OUT

LINK

AUDIO

POWER

RF IN

COMM

POWER

+5V

+12V

GND