Specifications

AUDIOVISUAL SYSTEMS 27000 pg (4)
(1) The MediaLink Controller shall contain six tri-color, multi-status LEDs push-buttons for device
selection and projector on / off control. A rotary volume control knob with five (5) LED volume
indicators shall permit system volume level control.
(2) The MLC Controller shall feature Extron IP Link Ethernet for monitoring, scheduling and control. This
IP technology shall enable the device to be controlled, scheduled and monitored over a LAN, WAN or
the Internet using Extron Global Viewer or MLC controller software.
(3) The Controller shall contain a serial host port which shall consist of one (1) bi-directional RS-232 front
panel 2.5mm mini stereo jack. This host connection port shall be for configuration and control of the
controller itself and to install device drivers for the equipment to be controlled.
(4) The Controller shall also feature (2) bi-directional serial ports to provide device control. These two
ports shall control the display device and PVS Switcher respectively via bi-directional RS-232 control
via one (1) 3.5mm direct insertion captive screw connector.
(5) The MLC Controller shall also have two (2) configurable (via software) digital input / outputs for
devices such as sensors, switches, LEDs and relays via one (1) 3.5mm 4-pole direct insertion captive
screw connector.
(6) Connection from the MLC Controller to the display shall be provided by one (1) 50’ Projector control
cable.
(7) Connection from the MLC Controller to the PVS Switcher shall be provided by one (1) 50’ Switcher
Control cable.
4. Audio & Speech Reinforcement:
a. Speakers - In suspended ceiling applications, one (1) pair of Extron FF120 speakers are used.
(1) These speakers feature a low profile, 3.25” deep, aluminized composite enclosure, rectangular shape
with a metal grille.
(2) The coverage angle of the speaker offers an extraordinarily wide dispersion area of 170 degrees,
providing a very wide room coverage pattern.
(3) Meeting the regulatory compliance safety specifications of NFPA90A, NFPA70;
UL Listed for use in plenum airspaces: meets UL 2043 for heat and smoke release, meets UL 1480
for commercial and professional audio
(4) The speakers feature a frequency response of 68 Hz to 18 kHz – 10 db, half space.
(5) The power capacity is 16 watts of continuous pink noise or 32 watts of continuous program media.
(6) The nominal impedance is 8 ohms.
(7) The input connector uses (1) 5mm captive screw for 1 input
(8) Connection from the PVS switcher to the FF120 speaker is provided by Plenum rated 18 Gauge
Speaker Cable Extron SPK-18.
5. Media Source Interfacing:
The media source equipment shall be connected to the audiovisual system via two to four (2–4) Active (powered)
Twisted Pair Transmitter Wall Plates. These wall plates shall enable the system to display video, graphic data and
audio from Laptop computers, DVD and VCRs, document cameras, camcorders, etc.
These active interface transmitters shall be placed in convenient locations throughout the classroom to facilitate
easy connection of sources.
a. One (1) PVT RGB D IP Plus, VGA Video Twisted Pair Transmitter with Dual Network - Wall Plate shall be
used to connect RGB devices to the system and transmit the video and audio data to the PVS switcher as
well as provide two network connections to the classroom.