FCC Part 22 Transmitter Certification Test Report FCC ID: DNY020MCELL0800 FCC Rule Part: CFR 47 Part 22 Subpart H ACS Report Number: 07-0137-22H Manufacturer: EMS Wireless Equipment Type: Cellular Bi-Directional Repeater Tradename: MirrorCell® II Model: CDM812-743 Manual 5015 B.U.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Operator’s Manual MirrorCell® II Repeater CDM 812, CDM1912 Series 2850 Colonnades Court Norcross, GA 30071 U. S. A. 770.582.0555 Fax 770.729.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Disclaimer Every attempt has been made to make this material complete, accurate, and up-todate. Users are cautioned, however, that EMS Wireless reserves the right to make changes without notice and shall not be responsible for any damages, including consequential, caused by reliance on the material presented, including, but not limited to, typographical, arithmetical, or listing errors.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual WARNINGS, CAUTIONS, AND GENERAL NOTES WARNINGS, CAUTIONS, AND GENERAL NOTES This product conforms to FCC Part 15, Section 21. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Safety Considerations When installing or using this product, observe all safety precautions during handling and operation. Failure to comply with the following general safety precautions and with specific precautions described elsewhere in this manual violates the safety standards of the design, manufacture, and intended use of this product. EMS Wireless assumes no liability for the customer's failure to comply with these precautions.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual If You Need Help If you need additional copies of this manual, or have questions about system options, or need help with installation and using of the system, please contact the EMS Wireless Customer Support Department. 2850 Colonnades Court Norcross, GA 30071 USA 770.582.0555 ext. 5310 cswireless@ems-t.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Service Do not attempt to modify or service any part of this product other than in accordance with procedures outlined in this Operator's Manual. If the product does not meet its warranted specifications, or if a problem is encountered that requires service, notify EMS Wireless’ Customer Support department. Service will be rendered according the EMS Wireless’ warranty and repair policy.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual environmental over-stress, negligence in use, storage, transportation or handling. 2. Specific Product Warranty Instructions All EMS Wireless products are manufactured to high quality standards and are warranted against defects in workmanship, materials and construction, and to no further extent.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series c. 3. Operator’s Manual Repaired products are warranted for the balance of the original warranty period, or at least 90 days from date of shipment.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series 608112-1, Rev C 9 Operator’s Manual
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual TABLE OF CONTENTS 1.0 Introduction 2.0 Available Options 3.0 Installation Guidelines 3.1 Outdoor Site Selection 3.2 Donor and Server Antenna Selection 3.3 Antenna Mounting and Isolation Measurements 3.4 Repeater Mounting 4.0 Repeater Set-up 5.0 System Optimization 6.0 Detailed Software Commands 6.1 User Names and Passwords 6.2 Basic Commands 6.3 “SET” Commands 7.0 Technical Description 7.1 General Description 7.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Appendix C: External Alarms 608112-1, Rev C 11 Operator’s Manual
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual LIST OF FIGURES Figure 1: MirrorCell® II Repeater Exterior View Figure 2: MirrorCell® II Typical Outdoor Repeater System Design Figure 3: MirrorCel® II Indoor Installation Example Figure 4: Example of Repeater Oscillation Figure 5: Antenna Isolation Measurement Set-up Figure 6: Repeater Power Switch Locations Figure 7: RS232 Port Location Figure 8: Status Screen Figure 9: Neighbor List Changes with Repeater Operation Figure 10: Block Dia
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual 1.0 Introduction This fully featured repeater is designed primarily for large outdoor use (several miles radius of coverage, depending on terrain), or for indoor use with medium sized buildings (100,000 to 200,000+ square feet [10,000 to 20,000 square meters]). The repeater is contained in a weatherproof outdoor NEMA 4 enclosure, as shown in Figure 1. It may be used as a simple and inexpensive alternative to a base station (BTS).
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Additionally, it can be configured with a variety of bandpass filters, so it can be band or channel selective. For example, the repeater can pass just one channel, a few adjacent channels (i.e. approximately 4.5 MHz for 3 adjacent CDMA channels), or a full 15 MHz PCS band. This gives the carrier great flexibility to choose exactly which signals are repeated.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual An alternate use of this repeater is for indoor applications. The MirrorCell® II makes great economic sense for buildings that are too large for the EkoMini repeater, but too small to justify a fiber optic DAS (Distributed Antenna System). One MirrorCell II can cover most typical buildings up to approximately 200,000 square feet using ½” coax and several power dividers feeding approximately eight indoor server antennas.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual -67 dBm received signal strength Yagi Donor Antenna, 15 dBi Gain -52 dBm 1 dB Cable Loss Line of Sight to nearby BTS 8-Story Building, each floor is 30,000 sq. ft. (175 MirrorCell II Repeater (92 dB ft. x 175 ft.) Gain -53 dBm +39.0 dBm 50 ft. 1/2" coax, 2 dB loss @ 1900 MHz (6.5 dB loss each) 1:2 Power Divider (3.5 dB loss) 1:4 Power Divider 1:4 Power Divider +37.0 dBm +27 dBm 150 ft.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series 2.0 Operator’s Manual Available Options The MirrorCell® II repeater is available for all Cellular 800 MHz bands (A, B, A+B, and SMR) and PCS 1900 MHz bands (A – F).
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual 3.0 Installation Guidelines 3.1 Outdoor Site Selection When the MirrorCell® II is used outdoors, site selection is one of the most critical decisions affecting the overall performance of the repeater system. A repeater should be located where it can receive a sufficient line of sight signal from the donor site to maximize the repeater’s performance.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Reflector (Dish) Donor Antenna Antenna Isolation + cable loss = 85 dB Oscillation occurs because the repeater gain is more than the antenna isolation plus the cable attenuation.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual because it has adequate signal strength and enough unused capacity to accommodate the repeater system. In many urban environments, base stations are physically close together. The donor antenna must have a narrow beamwidth so it receives and transmits signal to only the desired BTS. Microwave dish antennas also provide the recommended front-to-back ratio of more than 25 dB to help achieve the required antenna isolation.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual For indoor installations, achieving adequate isolation is still important, but somewhat easier to achieve. This is because the donor and server antennas are physically separated by the building material, which is normally quite lossy to RF. This is especially true if the donor antenna is placed on a building roof that has a metallic layer. In most of these installations, inexpensive yagi donor antennas can be used.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Reflector (Dish) Donor Antenna Isolation = +30 dBm - (-70 dBm) = 100 dB -70 dBm +30 dBm Sectorized Panel Server Antenna Signal Generator, approx. 1 watt output (+30 dBm) Spectrum Analyzer Figure 5: Antenna Isolation Measurement Set-up 1. Mount the server antenna at the initially chosen location to obtain the desired coverage. 2. Inject a known signal within the bandwidth of operation into the server antenna.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual The repeater gain must be set to at least 10 dB below the measured isolation. For example, if the measured antenna isolation is 90dB, the repeater gain should be set for no more than 80 dB. 3.4 Repeater Mounting These recommendations should be followed for best repeater performance: • • • • • 4.0 The repeater should be mounted so the heatsink avoids direct sunlight. This will help improve the lifetime of the repeater.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Power Switch Figure 6a: Repeater Power Switch Location, A/C Version Power Switch Figure 6b: Repeater Power Switch Location, DC Version 608112-1, Rev C 24 Operator’s Manual
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual • Connect a laptop computer with a terminal emulator program (i.e., HyperTerminal, ProComm, etc.) to the MirrorCell® II RS232 port with a DB9 straight-through serial cable, as shown in Figure 7 below. The male connector is attached to the repeater port and the female connector is attached to the laptop’s RS232 serial port.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual all the software commands available in the repeater. • Type ‘STATUS’ and press ‘enter’ to verify the current repeater settings. Also, the ‘STATUS’ command can be used after every software parameter is changed to verify the current setup. The screen should appear similar to Figure 8 below.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual • The automatic setup can be started by typing ‘RESTART’. The repeater will go through the setup routine to achieve the peak limit output power as set above. This can take up to a minute to complete and will display a message when it is complete. • A complete list of alarms and their respective alarm code numbers is shown in Appendix B. • The use of external alarms for the MirrorCell II is detailed in Appendix C.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual neighbor with just BTS2 and BTS3. Thus, BTS4 and BTS5 must be added to BTS1’s neighbor list, and BTS1 must be added to BTS4’s and BTS5’s neighbor lists. A drive test of the coverage area should be performed to verify the final setup. BTS 5 BTS 2 COVERAGE AREA REPEATER BTS 1 BTS 4 BTS 3 Figure 9: Neighbor List Changes with Repeater Operation 6.0 Detailed Software Commands 6.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Note: The Usernames and Passwords should be changed during installation. For example, to change a Username and Password: SET UID# [username] SET PWD# [password] 6.2 Basic Commands The basic repeater commands are listed below.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series • • • • • • • • • • • • • • • SET UID# SET DT SET TM SET ID SET MUMNUMBER SET UNTNUMBER SET REPORT SET ALARM # SET HB PERIOD SET ALRM RTRY SET ALRM INTV SET DL FREQ # (Freq) SET UP FREQ # (Freq) SET DL ATTN # SET UL ATTN # Operator’s Manual User Name for User ID # (8 alpha-numeric) Date in mm/dd/yy format Time in 24hr format hh:mm:ss Unit ID or Name Phone Number to Dial to MUM when Report Active Phone number of the Mirror Cell Unit.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual The following “set” command example illustrate a typical log in session: Command Examples >set ul offset 2 >set dlpower 34 >set protocol CDMA >set peak 37 >set PWD2 pass2 >set UID2 user2 >set dt 20/02/01 >set dt 02/20/01 >set tm 11:47:00 >set id unit123 >set mumnumber 9876543211 >set untnumber 1234567890 >set report on >set alarm 1 off >set hb period 21 >set alrm rtry 2 >set alrm intv 5 7.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Downlink (Forward) Signal Path LNA DL Donor Antenna Duplexer SAW Downconverting Bandpass Mixer Filter Downlink Power Amplifier Upconverting Mixer Downlink Amplifier Status and Control Module Synthesizer DL Duplexer Server Antenna UL UL Uplink Output Amplifier Upconverting Mixer SAW Downconverting Bandpass Mixer Filter LNA Uplink (Reverse) Signal Path Channelizer Unit Power Supply Power Source (120 VAC, 200-260 VAC, 24 V
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Receive Diversity LNA Operator’s Manual DC Interconnect Module Channelizer Duplexers Downlink Power Amplifier Full PCS Duplexer Installed 608112-1, Rev C 33
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Figure 11: MirrorCell® II Internal View The repeater is enclosed in an aluminum case with rear mounted cooling fins. Aluminum offers a lightweight design with good heat conduction and weatherproof protection. The housing conforms to the NEMA (weather-proof) standard. Per the NEMA 4 specification, the enclosure will withstand 65 PSI (pounds per square inch) pressure salt water spray on all four sides with no leakage to the inside.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual 7.4 Power Supply Module The power supply is designed for an input voltage of 120 VAC, 200-260 VAC, or +24 VDC, depending on the option. A surge suppression filter is included for voltage transient protection on the A/C powered models. 7.5 Duplexer Filters The uplink and downlink RF signals are separated and combined with duplexers operating in the appropriate frequency bands.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual • When Automatic Set-up is initiated, variable attenuators are immediately set at their maximum values of 30 dB. Thus, the UL and DL gain is 30 dB below the specified value. This prevents the repeater from exceeding its maximum power output specification in non-ideal installation situations. • A power sensor measures the downlink signal level at the server output.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual (see next page) 90 dB Nominal for any power output option 1930 – 1945 MHz 1950 – 1965 MHz 1975 – 1990 MHz 1945 – 1950 MHz 1965 – 1970 MHz 1970 – 1975 MHz 800 MHz Models: 200 kHz – 14 MHz 1900 MHz Models: 200 kHz – 15 MHz +33 dBm +/- 1 dB (2W) +36 dBm +/- 1 dB (4W) (1900 MHz only) +39 dBm + 0.5/-1.0 dB (8W) +43 dBm + 0.5/-1.0 dB (20W) (see next page) 90 dB Nominal for any power output option 1900 MHz: +36 dBm (4W) option +38.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series RF Output Power +36 dBm (4W) (1900 MHz only) +39.0 dBm (8W) 800 and 1900 MHz +43 dBm (20W) 800 and 1900 MHz Operator’s Manual Current and Power Requirement 120 VAC Power 220 VAC Power 24 VDC Power Option Option Option 3.0 amps 1.6 amps 10.5 amps 3.0 amps 1.6 amps 10.5 amps 4.0 amps 2.2 amps 14.5 amps Table 4: MirrorCell® II Electrical Power Specifications Parameter Specification Housing, (WxHxD) 15 x 24 x 14 inches (38.1 cm x 61 cm x 35.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Parameter Operating Temperature Storage Temperature Enclosure Operator’s Manual Specification -25° to 50° C. -40 to 75° C NEMA 4 (Weatherproof) Table 6: MirrorCell® II Environmental Specifications 9.0 Troubleshooting, Maintenance and Parts Replacement 9.1 Troubleshooting: A chart of troubleshooting procedures is shown in Table 7 below.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Table 7: Troubleshooting Procedures 9.2 Maintenance The MirrorCell® II does not require preventative maintenance. 9.3 Parts Replacement In case of repeater failure, EMS Wireless recommends you send back the entire repeater for repair, and mount a spare repeater in its place.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Appendix A: HyperTerminal Configuration HyperTerminal may be used for terminal emulation when using remote control of the repeater. Use the following steps for setting up HyperTerminal. 1. In the Start menu, open the Programs folder. Go to the Accessories folder in the Programs folder. 2. Choose Hyper-terminal. In that folder, choose HyperTerminal. 3. A dialog box will ask you to name the session. Use any name you choose.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Figure A-2: HyperTerminal Screen for Direct Connection 5. For remote connection via modem, enter the number you wish to dial and choose to connect using “Standard Modem” as in Figure A-3. Figure A-3.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual 6. After clicking OK, you will need to choose “Port Settings.” Select: • Bits per Second: 9600 • Data bits: 8 • Parity: None • Stop bits: 1 The port settings will be the same for direct connection and remote connection. For a direct connection to the repeater, make sure flow control is set to “None”. See Figure A-4 below. Figure A-4: Port Settings for Modem Connection The MirrorCell® II will auto answer on the 2nd ring.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Appendix B: Alarm Table A complete list of alarms is shown in Table B-1 below.
EMS Wireless MirrorCell II CDM 812, CDM1912 Series Operator’s Manual Appendix C: External Alarms Other pieces of equipment can be alarmed by connecting relay outputs into the external alarms of the MirrorCell II. An alarm condition will be generated when the open collector input is pulled to common ground. The input has a very weak pullup resister in circuit.
