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StarTech.com ST121R VGA Video Extender Remote Receiver Over Cat5 (Black) User Manual

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The following diagram illustrates the connection between transmitter
(ST1214T) and receiver (ST121R) units.

ST1214T (local), ST121EXT (extender) and ST121R (Remote)

Using the ST1214T, you can split the VGA signal from the source into
4 separate VGA signals, for reception at remote locations. While the
maximum transmission distance of the ST1214T is 150m (492ft), using
ST121EXT as a signal repeater adds another 150m (492ft) to the total
transmission distance, for a total extension of 300m (984ft).

Situate theST1214T so that it is near your VGA video source as well

1.

as an available power source.
Connect the ST1214T to the power source, using the power adapter

2.

provided.
Connect the VGA video source to the VGA IN port on the ST1214T,

3.

using a standard male-female VGA cable.
Situate the repeater unit (ST121EXT) up to 150m (492ft) away from

4.

the ST1214T unit, ensuring that the repeater unit is able to connect
to an available power outlet.

VGA cable

Cat5 cables

(150m max)

VGA cables

Video Source

Remote

Displays

ST1214T

ST121R