KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
2
3 Overview
The 711N and 712N are a twisted pair transmitter and receiver for composite
video and unbalanced stereo audio signals. The 711N transmitter converts
composite video and stereo audio to a twisted pair signal and the 712N
receiver converts the twisted pair signal back into composite video and stereo
audio signals.
The 711N/712N feature:
A maximal bandwidth of 85MHz
A LINE IN, LINE LOOP
1
and LINE OUT on RJ-45 connectors
A system range of up to 400 meters (1200 feet)
Level (GAIN) and equalization (EQ) controls (on the 712N)
The 711N/712N are part of the Kramer TOOLS™ family of compact high-
quality and cost effective solutions, and are fed from an external 12V DC
source, making them suitable for field operation.
To achieve the best performance:
Connect only good quality connection cables, thus avoiding interference,
deterioration in signal quality due to poor matching, and elevated noise-
levels (often associated with low quality cables)
Avoid interference from neighboring electrical appliances and position
your Kramer TOOLS™ away from moisture, excessive sunlight and dust
3.1 About the Power Connect Feature
The Power Connect feature lets you power a transmitter / receiver system by
connecting just one power adapter to either the transmitter or the receiver. The
other unit is fed over the same cable. The Power Connect feature applies as
long as the cable is heavy gauge cable (that is, it can carry power). The distance
does not exceed 50 meters on standard CAT5 cable.
For a distance of 100 meters, separate power supplies must be connected to the
transmitter and to the receiver simultaneously, unless using heavy gauge cable.
1 The 712N LINE IN can be looped to add an additional output and includes a selectable input signal termination push button
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