Shure PA421B Handleiding

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WARNING: This product contains a chemical known to the State of California

to cause cancer and birth defects or other reproductive harm.

General Description

Shureantennacombiners activelycombineRFoutputsfrommultiplewireless

IEM transmitters to asingleantenna,improvingRFperformance and conserv-

ing rack space.

Features

•Reductionof intermodulation artifactsfor cleaner RF environment

•Wideband operation (470-865 MHz or 865-960 MHz)

•Daisy-chain up to 2 combiners with the expansion port.

•Provide DC power to compatible IEM transmitters.

•LED indications of signal presence, signal overload and current draw

Model Variations

Shure antennacombiners forShure IEM wireless personal monitoringsystems

areavailable infour-channelandeight-channelrackmountableconfigurations.

DC Power OutletsRF InputsFrequency RangeModel

44470-865 MHzPA421B

44865-960 MHzPA421BX

08470-865 MHzPA821B

08865-960 MHzPA821BX

The antenna combiners are available in two frequency ranges. The RF inputs

allow up to four or eight (model dependent) IEM systems to share a single

antenna.The DCpoweroutletsand suppliedpowercablesallow youtodis-

tributepower to up to four compatibleIEM systems without requiring external

power supplies.

Included Components

DC OUTPUT

MAIN OUT - 50 OHMS

PA421B

PSM Antenna Combiner

470- 865 MHzA INB INA+B OUT

POWER

EXPANSION PORT

Antenna Combiner

2 ft. DC Power Output Cables*11 in. BNC Jumper Cables

IEC Power Cable22 in. BNC Cables**

*(4) 2 ft. DC power output cables are included with four-channel combiners

only.

**The four-channel combiners come with (4) 22 in. BNC cables. The eight-

channel combiners come with (8) 22 in. BNC cables.

Front Panels

INPUT SIGNAL

INPUT SIGNAL

5 6 7 8

MAIN OUT - 50 OHMS

PA821B

PSM Antenna Combiner

470-865 MHzA INB INA+B OUT

POWER

EXPANSION PORT

DC OUTPUT

INPUT SIGNAL

MAIN OUT - 50 OHMS

A INB INA+B OUT

POWER

EXPANSION PORT

PA421B

PSM Antenna Combiner

470-865 MHz

௟ ௠௡௢௣ ௤

PA421B

PA821B

① Main Out Antenna Connector

Use the antenna supplied with the transmitter, or anyother Shure passive antenna that matches the RF operating range.

② LED Indicators

The LED indicators on thePA421B and PA421BX display RF signal and DCcurrent draw. The LED indicators on the PA821Band PA821BX display RF signal

only. See the section on LED Indicators for more information.

③ Fan Vents

For system cooling.

④ Expansion Port

Connect an IEM transmitter or another combiner to share a single antenna. See the Using Multiple Antenna Combinerswith a Single Antenna section for con-

nection information.

1/6©2017 Shure Incorporated

PA421B PA821B

Antenna Combiner

Product specificaties