Shure orporated PA821 User Manual
PA821
PSM Antenna Combiner
470-870 Mhz
MAIN OUT
50 OHM
1
S
INPUT SIGNAL
5
4
3
2
ACTIVE COMBINER
PSM
R
Antenna Combiner Model PA821
User Guide
T
U
BIN
8
7
6
AIN
XPANSION PORT
E
A+B O
WER
O
P
27A8807 (CF)
©2003 Shure Incorporated
PSMR Antenna Combiner User Guide
Guide de l'utilisateur du répartiteur d'antenne PSM
Bedienungsanleitung für die Antennenweiche PSM
Guía del usuario del combinador de antenas PSM
Guida d'uso del combinatore di antenne PSM
Printed in U.S.A.
ENGLISH
! IMPORTANT SAFETY INSTRUCTIONS !
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Install in accordance with the manufacturer's instructions.
8. DO NOT install near any heat sources such as radiators, heat registers, stoves,
or other apparatus (including amplifiers) that produce heat.
9. DO NOT defeat the safety purpose of the polarized or grounding-type plug.
A polarized plug has two blades with one wider than the other. A grounding
type plug has two blades and a third grounding prong. The wider blade or
the third prong are provided for your safety. If the provided plug does not fit
into your outlet, consult an electrician for replacement of the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the manufacturer.
12.
13. UNPLUG this apparatus during lightning storms or when unused for long periods of
time.
14. REFER all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally, or has been
dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO NOT put objects
filled with liquids, such as vases, on the apparatus.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this unit.
WARNING:
Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing to qualified service personnel. The
safety certifications do not apply when the operating voltage is changed from the factory setting.
DESCRIPTION
The Shure PA821 Antenna Combiners actively combine antenna outputs from up to eight PSM wireless transmitters to a single antenna, improving RF performance and reducing rack clutter.
INSTALLATION
Set the power switch on the front panel to Off before installing. Connect
the unit to an AC power source using the supplied power cable. Switch the
power On to use the device. The power light will illuminate. Power the unit
Off when not in use or before disconnecting the unit from the AC power
source.
USE only with a cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid
injury from tip-over.
This symbol indicates that dangerous voltage constituting a risk
of electric shock is present within this unit.
MADEIN USA
PA821ANTENNACOMBINER
SHUREINCORPORATED
PSM Transmitters
87654
RFANTENNA INPUTS
321
50W BNC
8-TO-1 COMBINING:
1. Using the supplied BNC-BNC cables, connect the ANTENNA OUT-
PUT of each transmitter to the ANTENNA INPUTS of the PA821
(Figure 2).
2. Attach an antenna to the MAIN OUT of PA821. For wideband appli-
cations, use PA805WB directional antenna (Figure 1).
3. Connect the PA821 to a power outlet using one of the supplied
power cables. The PA821 contains a universal power supply to oper
ate anywhere in the world.
®
12345678
PA821
MADE IN USA
PA821
ANTENNA COMBINER
SHURE INCORPOR ATED
87654321
RF ANTENNA INPUTS
FIGURE 1
POWER
-
AC
POWER
FIGURE 2
1
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