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www.jts-germany.de
ENGLISH
These instructions are intended for users of
short-distance wireless audio systems (e. g. in-
ear monitoring systems, wireless microphone
systems). Please read the instructions carefully
prior to operation and keep them for later refer-
ence.
1 Applications
There are two ways to use the antenna com-
biner UC-900:
1. The signals of up to four transmitters can be
sent via one antenna (fig. 1).
2. To extend the reception range of a receiver,
the signals of up to four antennas placed at a
corresponding distance can be combined
(fig. 2).
In addition, the UC-900 is able to supply four
units with a 12 V operating voltage (1 A max.
each).
2 Safety Notes
The unit corresponds to all relevant directives
of the EU and is therefore marked with
WARNING The unit uses dangerous mains
voltage. Leave servicing to skilled
personnel only and do not insert
anything into the air vents! Inex-
pert handling may result in electric
shock.
G
The unit is suitable for indoor use only. Pro-
tect it against dripping water and splash
water, high air humidity and heat (admissible
ambient temperature range: 0 – 40 °C).
G
Do not place any vessel filled with liquid on
the unit, e. g. a drinking glass.
G
The heat produced inside the unit must be
dissipated by air circulation; therefore, never
cover the air vents of the housing.
UC-900
Antenna Combiner
Antenna Output
DC Output
12 V
1
2
3
Transmitter 1
LOOP
CH. 1
OUT
CH.2
ANTENNA OUT
2
1
2
1
ANTENNA OUT
3
3
LEFT / CH. 1 IN
LEFT / CH 1 IN
RIGHT / CH. 2 IN
RIGHT / CH 2 IN
Transmitter 2
LOOP
CH. 1
OUT
CH.2
ANTENNA OUT
2
1
2
1
ANTENNA OUT
3
3
LEFT / CH 1 IN
LEFT / CH. 1 IN
RIGHT / CH. 2 IN
RIGHT / CH 2 IN
Vertrieb von JTS-Produkten — Distribution of JTS products
G
Immediately disconnect the mains plug from
the socket
1. if the unit or the mains cable is visibly dam-
aged,
2. if a defect might have occurred after the
unit was dropped or suffered a similar acci-
dent,
3. if malfunctions occur.
In any case the unit must be repaired by
skilled personnel.
G
Never pull the mains cable to disconnect the
mains plug from the socket, always seize the
plug.
G
For cleaning only use a dry, soft cloth; never
use water or chemicals.
G
No guarantee claims for the unit and no lia-
bility for any resulting personal damage or
material damage will be accepted if the unit is
used for other purposes than originally
intended, if it is not correctly connected, or if
it is not repaired in an expert way.
.
3 Operation
1) To send the signals* of up to four transmit-
ters via one antenna, connect the transmit-
ting antenna to the jack "Antenna Output"
and connect the transmitters to the jack
"RF Input" (fig. 1).
or
To send the signals* of up to four antennas
to one receiver, connect the receiving anten-
nas to the jacks "RF Input" and the antenna
jack of the receiver to the jack "Antenna Out-
put" (fig. 2).
* possible frequency: 470 – 970 MHz
UC-900
CH1 CH2 CH3 CH4
RF Input
4
1
2
3
4
Transmitter 3
LOOP
CH. 1
OUT
CH.2
2
1
3
LEFT / CH. 1 IN
LEFT / CH 1 IN
RIGHT / CH 2 IN
RIGHT / CH. 2 IN
Transmitter 4
LOOP
CH. 1
OUT
CH.2
2
1
3
LEFT / CH 1 IN
LEFT / CH. 1 IN
®
If the unit is to be put out of operation
definitively, take it to a local recycling
plant for a disposal which is not harm-
ful to the environment.
Ant. 1
Ant. 2
ANTENNA OUT
2
1
ANTENNA OUT
3
ANTENNA OUT
2
1
ANTENNA OUT
Œ
3
RIGHT / CH. 2 IN
RIGHT / CH 2 IN
MONACOR INTERNATIONAL GmbH & Co. KG, Zum Falsch 36, 28307 Bremen, Germany
Copyright by MONACOR INTERNATIONAL. All rights reserved. A-1624.99.01.01.2015
©
UC-900
Order number 15.0580
Active Antenna Combiner
470 – 970 MHz
2) If the units connected require a 12 V oper-
ating voltage (1 A max.), it will be possible to
supply them with power via one of the jacks
DC OUTPUT (see dashed line in fig. 2).
3) Connect the mains jack of the UC-900 to a
socket (230 V~ / 50 Hz) via the mains cable
provided. Switch on the UC-900 and all units
connected.
The green LEDs CH1 ... CH4 light up as
soon as signals of sufficient power (> +5 dBm)
are present at the jacks "RF Input". How-
ever, the signals of receiving antennas are
too weak.
4 Specifications
Frequency range: . . . 470 – 970 MHz
Amplification: . . . . . . 0 dB
Max. RF power
for each input: . . . . . +20 dBm (100 mW)
RF LED indication
CH 1 ... CH 4: . . . . . . > +5 dBm
DC output: . . . . . . . . 4 × 12 V ,
Ambient temperature: 0 – 40 °C
Power supply: . . . . . . 100 – 240 V~, 50 / 60 Hz
Power consumption: . 40 VA max.
Dimensions: . . . . . . . 482 × 44.8 × 260 mm
Weight: . . . . . . . . . . . 2.3 kg
Accessories provided
1 × mains cable
4 × 50 Ω antenna cable, 60 cm, with BNC con-
nectors
4 × connection cable for 12 V power supply,
40 cm, with DC power connectors 5.5 /
2.5 mm ∅
Subject to technical modification.
UC-900
UC-900
Antenna Combiner
CH1 CH2 CH3 CH4
Antenna Output
DC Output
12 V
1
2
3
4
1
2
Receiver
AF OUTPUT
BALANCED
AF OUTPUT
BALANCED
DC 1000mA 15V
1 A max. each,
short-circuit proof
Ant. 4
RF Input
3
4
Ant. 3
ANT
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