DD4PA421AAntenna Combiner

User Guide Printed in U.S.A. ©2011 Shure Incorporated PA421A PSM ® Antenna Combiner 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 ® Guia de usuário do combinador da antenas PSM ® Руководство пользователя Combiner антенны PSM ® PSM ® アンテナコンバイナ ユーザーガイド PSM ® 天线合并器用户指南 PSM ® 天線合併器用戶指南 PSM ® Antenna Combiner 사용자 설명서 N108 2 OVERVIEW The Shure PA421A Antenna Combiners actively combine antenna outputs from up to four PSM wireless transmitters to a single antenna, improving RF performance and reducing rack clutter. INSTALLATION 1. Before installing, set the front panel power switch to OFF. (See Figure 1) 2. Using the supplied power cable connect the unit to an AC power source. 3. To use the device set the front panel power switch to ON. The power light will illuminate. 4. Before disconnecting the unit from the AC power source, or when not in use, power the unit OFF. PA421A Benefits • Reduction of intermodulation artifacts for cleaner RF environment and more channels on air • Simplified antenna placement • Power distribution ! IMPORTANT SAFETY I NSTRUCTI ONS ! 1.READ these instructions. 2.KEEP these instructions. 3.HEED all warnin gs. 4.FOLLOW all instructions. 5.DO NOT use this appara tus near water. 6.CLEAN ONLY with dry cloth. 7.DO NOT block any ventilation openings. Install in accordance with the manu- facture r's instructions. 8.DO NOT install near any heat sourc es such as ra diators , heat registers, stoves, o r other appara tus (i ncluding ampliers ) that produce heat. 9.DO NOT defeat the safety purpose of the polari zed or grounding-t ype 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 t into your out- let, consult an electrician for replacement of the obsolete outlet. 10.PROTECT the power cord from being walked on or pi nched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11.ONLY USE attachments/accessories by the manufacturer. 12. 13.UNPLUG this appara tus duri ng lightning storms or when unused for long peri ods of time. 14.REFER all serv icing to quali ed serv ice pers onnel. Serv icing is re quired when the apparatus has been damaged in any way, such as power-supply cord or plug is dam- aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to ra in or moisture , does not opera te normally, or has been dropped. 15.DO NOT expose the appara tus to dripping and splashing. DO NOT put objects lled with liquids, such as vases, on the apparatus. 16.The MAINS plug or an appliance coupler shall remain readily opera ble. 17.The airborne noise of the appara tus does not exceed 70dB (A). 18.Apparatus with CLASS I construction shall be connected to a MAINS socket outl et with a protective earthing connection. 19.To reduce the risk of re or electric shock, do not expose this apparatus to rain or moisture. 20.Do not attempt to modify this product. Doing so could result in personal injury and/or product failure. USE only with a cart, stand, tri pod, bracket, or table speci ed by the manufacture r, or sold with the appara tus. When a cart is used, use caution when moving the cart/appara tus combination to avoid injury from tip-over. This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit. This symbol indicates that dangerous voltage constituting a risk of electr ic shock is present within this unit. WARNING: Voltages in this equipment are hazardous to life. No user-serv iceable parts inside. Refer all servicing to qualied service personnel. The safety certi cations do not apply when the operating voltage is changed from the factory setting. WARNING: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Switch Off 3 4-TO-1 COMBINING FOR PSM TRANSMITTERS 1. Using the supplied BNC-BNC cables, connect the Antenna Output of each transmitter to the Antenna Inputs of the PA421A (See Figure 2). 2. Attach an antenna to the MAIN Out of PA421A. For wideband applications, use PA805SWB directional antenna (Figure 2). 3. Connect the PA421A to a power outlet using one of the supplied power cables. The PA421A contains a universal power supply to operate anywhere in the world. 4. If you have a Shure PSM system that has the same power input connectors as the PA421A power outputs, such as the PSM900, connect the PSM system to the PA421A via the supplied power cables (see figure 2). This replaces the need for an external power supply. NOTE: The PA421A supplied power is 15 V and up to 660 mA. ® PA805WB Figure 2 NOTE: When the PA421A is powered on, the input signal indicators (1-4) on the front panel will illuminate if an active transmitter is connected to the corresponding input (1-4) on the back panel (Figure 2). SPECIFICATIONS RF Carrier Frequency Range470-952 MHz System Gain+0/-5 dB Input AC Line Voltage100-240 Vac, 50/60 Hz Maximum Input Line Power1.2A 80W Maximum Current Drain0.42-1.0 Amperes (Amperes = 100 VA/Input AC Line Voltage) Maximum RF Input Power24 dBm (250 mW) per channel Input Signal Indicator Threshold +4 dBm (2.5 mW), +2 dBm (1.6 mW) typical Impedance50 Ω nominal Operating Temperature Range0° F (-18° C) to +145° F (+63° C) NOTE: Electrical safety approval is based on a maximum ambient temperature of 30°C. Overall Dimensions43.4 mm high x 398.8 mm wide x331.5 mm deep (1 11/16 in. H x 15 11/16 in. W x 13 1/2 in. D) Net Weight4.53 Kg (10 lbs unpackaged, without power and RF cables) Input/Output Connector TypeBNC-type 4 input, 1 output ACTIVE Power Outputs (4)15 VDC, 660 mA each FURNISHED ACCESSORIES (4) 2 ft. Coaxial Cable (RG58C/U)UA802 (…

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October 10, 2011 Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, Illinois 60515-1082 SUBJECT: REQUEST FOR NON-DISCLOSURE FOR FCC ID: DD4PA421A To Whom It May Concern: Pursuant to 47 CFR Section 0.459, Shure Incorporated hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application for FCC ID # DD4PA421A: a. Schematic Diagrams b. Operational Description c. Block Diagram d. Tune-up Procedure Above materials contain trade secrets, proprietary and technical information which would customarily be guarded from competitors under 47 CFR section 0.457(d)(2). Disclosure or publication of any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. Shure Incorporated understands that pursuant to 47 CFR section 0.457(d)(1)(ii) disclosure of the applicant and all accompanying documentation will not be made before the date of the grant. Sincerely yours, Craig Kozokar Project Engineer, Global Compliance Shure Incorporated

CAMERA READYARTWORK PLATE #: 2968 DESCRIPTION: Rear Panel PA421A MODEL #:PA421A PROJECT #: 17701 SCALE: 1:1 DESIGNER: A. Thompson APPROVED: SHURE INCORPORATED, NILES, IL. 60714 FCC ID: DD4PA821A IC: 616A-PA821A SHURE INCORPORATED MODEL: PA821A ANTENNA COMBINER INPUT: TBD W MAX, TBD A MAX 100-240 V~ 50/60 Hz 87654321 RF ANTENNA INPUTS PA821A PSM Antenna Combiner 470-952 MHz N108 MAIN OUT - 50 OHMS INPUT SIGNAL EXPANSION PORT POWER A INB IN A+B OUT INPUT SIGNAL 93WL EQUIPMENT COMMERCIAL AUDIO CR_2968 PA421A • Under the IEC cutout, change the first line to read “INPUT: 80 W MAX, 1.4 A MAX” (currently “INPUT: 80 W MAX, 0.7 A MAX”) CR_2969 PA821A CR_2968 PA421A • Under the IEC cutout, change the first line to read “INPUT: 80 W MAX, 1.65 A MAX” CR_2969 PA821A • Under the IEC cutout, change the first line to read “INPUT: 70 W MAX, 1.5 A MAX” CAMERA READYARTWORK PLATE #: CR-2938 DESCRIPTION: Front Panel PA421 MODEL #: Antenna Combiner PROJECT #:17701 SCALE: 1:1 DESIGNER: A. Thompson APPROVED: SHURE INCORPORATED, NILES, IL. 60714 PA421A PSM Antenna Combiner 470-952 MHz MAIN OUT - 50 OHMS INPUT SIGNAL EXPANSION PORT POWER A INB IN A+B OUT DC OUTPUT

Maximum Permissible Exposure calculations The MPE distance will be calculated for the worst case of a 100% transmitter duty cycle. For an isotropic radiator the surface area of a sphere can be used to determine the area over which the transceiver energy is radiated. Surface area of a sphere = 4 * π * radius2 In the case where there is an antenna gain, the worst case energy density is increased by the antenna gain. In this case, the exposure level for a controlled environment can be calculated as follows: MPE distance =((output power*duty cycle*10*(antenna gain/10))/(4* π*Exposure Limit [mW/cm2]))1/2 In the case of 14 dBi HA8089 antenna MPE distance = ((100 mW * 1 * 25.1) /( 4 * 3.14 * 1)) 1/2 = 22.7 cm In the case of 6.5 dBi shark fin antenna MPE distance = ((100 mW * 1 * 4.5) /( 4 * 3.14 * 1)) 1/2 = 9.6 cm

Engineering Test Report No. 1100581-02 Electromagnetic Compatibility Tests on two Antenna Combiners Model Nos. PA421A and PA821A For : Shure Inc. 5800 West Touhy Avenue Niles, IL 60714 P.O. No. : 4500205105 Dates Tested : June 28 through September 28, 2011 Test Personnel : Richard E. King Specification : FCC "Code of Federal Regulations” Title 47 Part 74 Industry Canada RSS-123 Test Report By : Richard King EMC Engineer Approved By : Raymond J. Klouda Registered Professional Engineer of Illinois - 44894 Elite Electronic Engineering Inc. 1516 Centre Circle Downers Grove, IL 60515 Tel : (630) 495-9770 Fax: (630) 495-9785 www.elitetest.com Engineering Test Report No. 1100581-02 THIS REPORT SHALL NOT BE REPRODUCED, EXCEPT IN FULL, WITHOUT THE WRITTEN APPROVAL OF ELITE ELECTRONIC ENGINEERING INCORPORATED. Page 2 of 51 TABLE OF CONTENTS PARAGRAPH DESCRIPTION OF CONTENTS PAGE NO. 1. Introduction ........................................................................................................................................................ 5 1.1 Scope of Tests .......................................................................................................................................... 5 1.2 Purpose .................................................................................................................................................... 5 1.3 Deviations, Additions, and Exclusions ...................................................................................................... 5 1.4 EMC Laboratory Identification .................................................................................................................. 5 1.5 Laboratory Conditions .............................................................................................................................. 5 2. Applicable Documents ....................................................................................................................................... 5 3. Test Item Setup and Operation ......................................................................................................................... 5 3.1 General Description .................................................................................................................................. 5 3.1.1 Power Input .......................................................................................................................................... 6 3.1.2 Peripheral Equipment ........................................................................................................................... 6 3.1.3 Signal Input/Output Leads .................................................................................................................... 6 3.1.4 Grounding ............................................................................................................................................. 6 3.1.5 Frequency of Test Item ........................................................................................................................ 6 3.2 Operational Mode ..................................................................................................................................... 6 3.3 Test Item Modifications ............................................................................................................................. 6 4. Test Facility and Test Instrumentation .............................................................................................................. 7 4.1 Shielded Enclosure ................................................................................................................................... 7 4.2 Test Instrumentation ................................................................................................................................. 7 4.3 Calibration Traceability ............................................................................................................................. 7 4.4 Measurement Uncertainty ........................................................................................................................ 7 5. Test Procedures ................................................................................................................................................ 7 5.1 RF POWER OUTPUT MEASUREMENTS ............................................................................................... 7 5.1.1 Requirements ....................................................................................................................................... 7 5.1.2 Procedures ........................................................................................................................................... 7 5.1.3 Results .................................................................................................................................................. 8 5.2 FREQUENCY STABILITY ........................................................................................................................ 8 5.2.1 Requirements ....................................................................................................................................... 8 5.2.2 Procedures ........................................................................................................................................... 8 5.2.3 Results .................................................................................................................................................. 8 5.3 OCCUPIED BANDWIDTH MEASUREMENTS ........................................................................................ 8 5.3.1 Requirements ....................................................................................................................................... 8 5.3.2 Procedures ...........................................................................................................................…

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