Y3J-U9921UNIVERSAL FIXED PART GATEWAY CONTAINING DECT TRANSCEIVER (UPCS)

19541P‐42 (02‐11) ©2011 DAVID CLARK COMPANY INCORPORATED U9921-GUV (P/N: 40994G-01) Universal Gateway USER MANUAL 1 of 8 19541P‐42 (02‐11) C C a a u u t t i i o o n n s s a a n n d d W W a a r r n n i i n n g g s s READ AND SAVE THESE INSTRUCTIONS. Follow the instructions in this installation manual. These instructions must be followed to avoid damage to this product and associated equipment. Product operation and reliability depends on proper usage. DO NOT INSTALL ANY DAVID CLARK COMPANY PRODUCT THAT APPEARS DAMAGED. Upon unpacking your David Clark product, inspect the contents for shipping damage. If damage is apparent, immediately file a claim with the carrier and notify your David Clark product supplier. ELECTRICAL HAZARD ‐ Disconnect electrical power when making any internal adjustments or repairs. All repairs should be performed by a representative or authorized agent of the David Clark Company. STATIC HAZARD ‐ Static electricity can damage components. Therefore, be sure to ground yourself before opening or installing components. LI‐POLYMER ‐ This product is used with Li‐Polymer batteries. Do not incinerate, disassemble, short circuit, or expose the battery to high temperatures. Battery must be disposed of properly in accordance with local regulations. 2 of 8 19541P‐42 (02‐11) O O v v e e r r v v i i e e w w The U9921‐GUV (40994G‐01) Universal Gateway is a fixed‐mounted wireless communication device that, when used in conjunction with one or more U9910‐BSW (40992G‐01) or U9912‐ BSW (40992G‐02) Wireless Belt Stations, becomes part of a wireless intercom system. The U9921‐GUV provides communication for up to four users as well as an interface to an existing wired intercom system. Up to four belt stations can be connected to one gateway. Status LED Gasket Bracket Nut Panel Antenna Connection Threaded Post Interface Connector LINK VOL R Figure 1: Overview of Gateway 3 of 8 19541P‐42 (02‐11) I I n n s s t t a a l l l l a a t t i i o o n n Intercom Interface The U9921‐GUV is designed to add wireless capability to an existing wired intercom. Connection to the intercom is accomplished by connecting an interface cable to the interface connector of the U9921‐GUV (see Figure 1). The following list contains David Clark intercom systems that have been tested to work with the U9921‐GUV and the required cable assembly. Table 1: Intercom Interface Cable Assemblies David Clark Intercom Cable Assembly Required U3800 Vehicular Intercom SystemC99‐22MS (40935G‐08) U9800 Marine Intercom System C99‐20CX (40935G‐07) U9500 Marine Intercom System C99‐20LL (40935G‐06) U3400 Portable Intercom System U3100 Modular Intercom System C99‐20MS (40935G‐05) The U9921‐GUV will detect the cable assemblies listed above and automatically make the necessary audio level adjustments for the corresponding intercom. Mounting The U9921‐GUV may be flush mounted or surface mounted using the included gasket, nut, and bracket. See Figure 1 for mounting suggestions. Note: Bracket not used for flush mount applications. Bracket mounting configuration may be reversed for varying requirements (e.g., vehicle dash vs. ceiling‐mount.) Antenna The U9921‐GUV has an internal antenna. An external antenna may not be necessary but the antenna connector is provided for either the included whip antenna or an optional remote antenna kit (P/N: 40688G‐93). Choose an open, clear location for the remote antenna and route the coaxial cable away from any busy areas, preferably behind panels or in conduits. This device has been designed to operate with the antennas listed below, and having a maximum gain of 3 dB. Antennas not included in this list or having a gain greater than 3 dB are strictly prohibited for use with this device. The required antenna impedance is 50 ohms. Acceptable antennas for use with this product: • Whip Antenna (P/N: 40688G‐92) • Remote Antenna Kit (P/N: 40688G‐93) 4 of 8 19541P‐42 (02‐11) L L i i n n k k i i n n g g Before a belt station and a gateway can be connected, they must first be linked. As a security measure, the close‐link feature requires devices to be in proximity of between 1 to 3 ft (0.3 to 0.9m) in order to successfully link. This ensures that the units are not inadvertently linked with other units on the premises. Linking procedure: 1. Ensure units are within 1 to 3 ft (0.3 to 0.9m) of each other. 2. Simultaneously (within 1‐2 sec) press and release the LINK button on the U9921‐GUV and the power button on the belt station to link with. 3. Amber LED’s will flash on both devices. A momentary red LED indicates a successful close‐link. 4. Upon successful link the U9921‐GUV will attempt to establish a connection with the belt station. 5. Upon successfully establishing connection the LED on the controller will flash a green pattern corresponding to the number of belt stations connected. Tip: Once linked, the devices will not need to be linked again unless they are purged (see Purging). Each belt station is able to be linked to only one gateway at a time. A gateway can have up to six belt stations linked and be connected to four of those six at one time. S S t t a a t t u u s s I I n n d d i i c c a a t t i i o o n n s s The front panel has a multi‐color LED in the center which serves as a status indication for the gateway. Table 1 below lists these states. Table 2: LED Status Indications LED Color Blink Rate Status Red Solid Initializing/power up Red Once Connection Dropped Red Once Connection Established Red Any Low battery (approx. 1 hr remaining) Orange Slow Idle/Disconnected Orange Fast Link/Connection in Progress Orange Solid PTT asserted Green Slow Connected (pattern indicates number of belt stations connected) 5 of 8 19541P‐42 (02‐11) O O p p e e r r a a t t i i o o n n Communication All connected belt stations will be able to communicate with each other through the U9921‐GUV while in range (and per the VOX settings on a VOX belt station.) Additionally, all belt station users will have communication over the inter…

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External Photos – Universal Gateway U9921 Front Rear Left Side

Internal Photos – Universal Gateway – U9921 Circuit Board – Front Circuit Board – Rear Transmitter Module – Front Transmitter without can Transmitter Module – Rear

Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.complianceworldwide.com COMPLIANCE WORLDWIDE INC. TEST REPORT 478-10 In Accordance with the Requirements of FCC PART 15.209 INDUSTRY CANADA RSS 210, ISSUE 8, Annex 8 License-exempt Radio Apparatus (All Frequency Bands): Category I Issued to David Clark Company Incorporated 360 Franklin St. PO Box 15054 Worcester, MA. 01615 for the Models U9911-BSC, U9920-GPB U9921-GUV and U9922-G38 FCC ID: Y3J-U9921 IC: 9409A-U9921 Report Issued on February 11, 2011 Tested by This test report shall not be reproduced, except in full, without written permission from Compliance Worldwide, Inc. Test Number: 478-10 Issue Date: 1/28/2011 Page 2 of 21 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com Table of Contents 1. Scope ......................................................................................................................................... 3 2. Product Details ........................................................................................................................... 3 2.1. Manufacturer ..................................................................................................................... 3 2.2. Model Number ................................................................................................................... 3 2.3. Serial Number.................................................................................................................... 3 2.4. Description of EUT ............................................................................................................ 3 2.5. Power Source .................................................................................................................... 3 2.6. EMC Modifications............................................................................................................. 3 3. Product Configuration................................................................................................................. 3 3.1. Operational Characteristics & Software............................................................................. 3 3.2. EUT Hardware................................................................................................................... 3 3.3. EUT Cables/Transducers .................................................................................................. 4 3.4. Support Equipment............................................................................................................ 4 3.5. Block Diagram ................................................................................................................... 4 4. Measurements Parameters ........................................................................................................ 5 4.1. Measurement Equipment Used to Perform Test ............................................................... 5 4.2. Measurement & Equipment Setup..................................................................................... 5 4.3. Test Procedure .................................................................................................................. 5 5. Choice of Equipment for Test Suites ..........................................................................................6 5.1. Choice of Model................................................................................................................. 6 5.2. Presentation ...................................................................................................................... 6 5.3. Choice of Operating Frequencies ..................................................................................... 6 5.4. Antennas Used with this Device ....................................................................................... 6 6. Measurement Summary ............................................................................................................. 7 7. Measurement Data ..................................................................................................................... 8 7.1. Antenna Requirement........................................................................................................8 7.2. Minimum 26 dB Bandwidth................................................................................................ 8 7.3. 99% Bandwidth.................................................................................................................. 9 7.4. Transmitter Frequency Stability ....................................................................................... 10 7.5. Transmitter Field Strength / Output Power ...................................................................... 12 7.6. Conducted Emissions...................................................................................................... 13 7.7. Radiated (Spurious) Emissions ....................................................................................... 15 7.8. Radiated (Harmonic) Emissions ...................................................................................... 18 7.9. Receiver Spurious Emissions .......................................................................................... 18 7.10. Public Exposure to Radio Frequency Energy Levels .................................................... 18 8. Test Site Description ................................................................................................................ 29 Test Number: 478-10 Issue Date: 1/28/2011 Page 3 of 21 Compliance Worldwide, Inc. - 357 Main Street - Sandown, NH 03873 (603) 887 3903 Fax 887 6445 http://www.cw-inc.com 1. Scope This test report certifies that the David Clark Company models U9911-BSC, U9920-GPB, U9921-GUV and U9922-G38, as tested, meet the FCC Part 15.209, and Industry Canada RSS 210 requirements. The scope o…

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Test Set Up Photos – U9921 - Universal Gateway Radiated Front Test Set Up Photos – U9921 – Universal Gateway Radiated Rear Test Set Up Photos – U9921 Conducted Front Test Set Up Photos – U9921 Conducted Rear