Knoll US4 User Manual

Component Balun Specifications:

Models and Dimensions

US4-Hub: 16-3/4 x 1-3/4 x 11-1/2” (425 x 45 x 292 mm)

Quad Receive Modules
UDR-Quad (in-wall Decora™ version): 4.1"h x 1.4" w x 2.0"d.
UR-Quad (black enclosure): 1.1"h x 2.6"w x 2.8"d (28 x 66 x 71 mm).

Video Bandwidth: 450 MHz @ -3 dB.

S/PDIF Input and Output: 0.5 V to 2 V RMS.

Video Input and Output: 0.5 V to 2 V RMS.

Input and Outputs:

Quad Receive Modules: four gold RCA input jacks, one RJ-45
out-jack, one-DC power input.

US4-Hub: Four RCA input jacks, six RJ-45 output jacks, one DC
power input, one input and one output link RJ45 jack.

Power
Receive Unit: 12 VDC 40mA.
US4-Hub: 15 VDC (one PS1506 included).

Warranty

Knoll Systems warrants its products sold in the USA and Canada by authorized
Knoll dealers to be free of defects in materials and workmanship. This warranty
extends for three full years from the date of purchase by the original consumer.
Any products returned to Knoll Systems and found to be defective by Knoll
Systems within the warranty period will be repaired or replaced at Knoll Systems
option, at no charge. Knoll Systems will not be responsible for the actual cost of
installation or removal of the product, nor for any incidental or consequential
damages. Some states do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation may not apply to you. This
warranty gives you specific legal rights. You may have additional legal rights
that vary from state to state.

Knoll Systems www.knollsystems.com

145 Tyee Drive, Point Roberts, WA 98281
12140 Horseshoe Way, Richmond BC V7A 4V4
tel [phone], fax [phone]

Made in Canada Knoll Systems All Rights Reserved

US4-HUB
Installation
Instructions

Warning: To be installed and/or used in

accordance with appropriate electrical
codes and regulations. If you are not
sure about any part of these
instructions, consult a qualified electrician.

Introduction: Thank you for your purchase of a Knoll active
balun system. This system is specifically designed to send a
three wire Pb, Pr, Y component or RGB and Digital Audio or
S/PDIF (Dolby® digital or DTS®) signals safely down a single
cat 5 or cat 5e wire up to 500 feet (250 feet for 1080p) without
encountering signal degradation problems. Balun is an acronym
for:

BALance – UNbalance

The hub is a send module and takes a conventional component
signal and balances it (signal is not tied to a ground reference)
then sends it via cat 5 to a receive module. The receive module
unbalances the component signal back to its former state. This
process does not allow any stray magnetism of any sort to
contaminate the signal while it is being transported.

This US4-Hub requires up to six Knoll US Quad receive modules
(enclosure or decora in-wall style) to operate. Each quad receive
unit also requires a PS1202 power supply.

Features:

• Stackable 17” enclosure.

• Will safely send 480i/p, 720p and 1080i/p signals.

• Power supply included.

• Mix and match decora style and tabletop style quad

receive modules.

Wiring: Knoll receive
modules (UDR-Quad
or UR-Quad) are
connected to the
US4-Hub with cat 5
unshielded wires
using all 8
conductors.
Connection is made
with the RJ45 connector (RJ45 plug not supplied). Always use standard
cat 5 wiring practices. Using the correct wire pairs and polarity is VERY
important. Each cat 5 wire run is a home run and wires cannot be
shared with two quad receive modules.

Connection to stereo video source equipment: Connect the four
US4 Hub gold RCA jacks with a good quality gold connector four wire
component RCA jumper cable to the appropriate three component
output and digital audio output jacks on your DVD, dish receiver, D­VHS, VCR, stereo or other equipment. If there is a switched outlet on
your output equipment, you may want to plug the PS1202 power
supply to the switched outlet.

Make sure a good quality RJ45 8-8 crimper is used to
connect the RJ45 connector to the cat 5 wire. Poor crimping
and mismatched wires are the most frequent cause of
installation problems.

Power requirements: The Knoll US4-Hub comes with a 15 VDC power
supply. Each Quad receive module requires a Knoll PS1202 power
supply.

DVD Player

Note: The quad receive modules can be either

decora in-wall style or enclosure style as desired.

Connecting Quad receive modules on to the Projector, TV or
other components: See documentation shipped with the receive

units.

Multiple Connection(s): If more than six component receivers are
required in a system, multiple US4-HUB’s can be connected together.
To wire together a second, third, etc. US4-HUB, connect the LINK OUT
of the first US4-HUB to the LINK IN of the second US4-HUB using a
short as possible tested cat 5 jumper with RJ45 connectors, using all 8
wires. Connect the LINK OUT of the second US4-HUB to the LINK IN of
the third US4-HUB and so on. In this example the second and third
hubs do not have RCA jacks connected but do have their PS1506 power
supply connected.

IMPORTANT: All of the US4-HUB’s not connected via RCA jacks, but
with a cat 5 wire daisy chained from another US4-HUB need to have
their LINK switch positioned in the OUT position. The US4-HUB with
RCA jacks connected needs to have the LINK switch in the IN position.
UR receive units do not have any alterations.

The Knoll send receive system does not have any user adjustments and
is completely automatic. If need be, please call our tech line for details
at 1 800 566 5579.

This product may contain lead that some states have determined are
harmful. Wash you hands after touching this product.

Decora™ is a trademark of Leviton Manufacturing.

Quad Receive

PS1506

DLP-TV

TO QUAD RECEIVE BALUNS

IN LINK OUT

COMPONENT INPUTS

CAT 5

PS1202