Marshall electronic QV171-HDSDI Rear Panel Features, RS-422/485 Serial Interface

Rear Panel Features

RS-422/485 Serial Interface

The RS-422/485 ports are used to remotely control the IMD or all QV171-HDSDI features, using a variety of industry standard protocols. (Note:

Connector/pin-out may need to be adapted depending on protocol and controlling device used. See pin-out details on page 26.) Only one connection to either port is needed to control the monitor. The second port can be used to loop multiple monitors in the same bus.

PG-1 Connector

This is for factory use only. Please do not use.

Tally Interface (HD-15)

The OSD tally can be activated via the HD-15 connector by connecting the corresponding pin to ground. A variety of external devices can be used to perform the contact closure. No additional power should be supplied to the HD-15 port. See pin-out details on page 26.

HD-SDI Inputs and Outputs

The QV171-HDSDI has four HD-SDI inputs and four active loop-through outputs.

Power Input

Connect the 12VDC input to the 2-Pin twist lock power input connector. Power can be supplied from the included power supply, or from a variety of DC sources supplying at least 3.0 Amps at 12 Volts.

IMPORTANT: If using a power source other than the included power supply, be sure that the polarity of the DC input is correct:

VESA 75mm Hole Pattern

VESA-standard 75 mm hole-pattern is provided to accommodate a variety of custom mounting options.

Desktop Mounting Holes

These holes are used when attaching the monitor to the optional desktop stand.

See page 4 for details.

DVI-I Input Connector

Integrated DVI Digital and Analog VGA input. Includes EDID and HDCP for connection to Computers, DVD Players, Rasterizers, etc.

See page 7 for details.

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