Chapter 1 Introduction
Encoder-modulator
User Manual
L-1VGA-FE
www.questtel.com
The QuestTel L-1VGA-FE Fiber Optic Transmitter and Receiver provides long haul transmission
of high resolution VGA and Audio control signals over a single fiber up to 20km. Engineered for
reliability and exceptional high resolution image performance, it uses QuestTel technology to
deliver perfect pixel-for-pixel transmission of computer-video images up to 1920x1080@60Hz
resolution. The compact, low profile enclosure of the L-1VGA-FE allows for discreet installation. It
can be used for simple point-to-point applications or handle the most challenging AV system
designs, from a simple conference room to an enterprise-wide fiber optic distribution system.
The L-1VGA-FE Transmitter and Receiver is ideal for a wide range of applications requiring long
distance transmission of high resolution content with the highest quality. Because transmission of
content is inherently secure and immune to outside interference, fiber applications are favored in
government, military, and medical environments. The transmitter features industry standard SC-
type Optical Connector.
QuestTel L-1VGA-FE supports multimode and singlemode transmission. Singlemode fiber offers
long-range transmission capability over extreme distances of up to 20 km (12 miles). It is used in
very large facilities such as airports, stadiums, live broadcast signal transmission, remote studio,
universal digital video transmission business, telecommunication signal transmission business,
airport or transportation hubs as well as connecting over very long distances between facilities
such as college campuses.
1.2 Key features
• Extend VGA and analog audio over single mode optic fiber cable
• Supports resolutions up to 1920x1080@60Hz
• Transmit VGA signal up to 20km
• Support RGBHV input
• Support 3.5mm audio jack
• Immune the electromagnetic interference in environment
• Alarm notification for fiber link loss
