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M/A-Com M7250 Installation manual
Summary of M7250
Page 1
Installation manual mm-007024-001 sep-05 m7200 series mobile radio trunk-mount full-duplex mobile radio with control head for opensky radio networks.
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Mm-007024-001 2 manual revision history revision date reason for change — september 2005 initial release. M/a-com technical publications would particularly appreciate feedback on any errors found in this document and suggestions on how the document could be improved. Submit your comments and suggest...
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Mm-007024-001 3 table of contents page 1 safety information .......................................................................................................... 5 1.1 symbols used in this manual................................................................................... 5 1.2 rf energy ...
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Mm-007024-001 4 table of contents page 9 control head installation......................................................................................... 33 9.1 general information ............................................................................................... 33 9.2 bracket instal...
Page 5: 1 Safety
Mm-007024-001 5 1 safety information 1.1 symbols used in this manual the following symbols are used throughout this manual: warning the warning symbol calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury. Do not proce...
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Mm-007024-001 6 specific operating instructions to users of two-way radios. These instructions are important because they inform users about rf energy exposure and provide simple procedures on how to control it. Please refer to the following websites for more information on what rf energy exposure i...
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Mm-007024-001 7 table 1-1: recommended minimum safe lateral distance from transmitting antenna recommended minimum lateral distance from transmitting antenna antenna part numbers (all are 700 & 800 mhz dual-band antennas) rated power of vehicle installed mobile radio controlled uncontrolled mamv-an3...
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Mm-007024-001 8 1.5 common hazards the operator of any mobile radio should be aware of certain hazards common to the operation of vehicular radio transmissions. Possible hazards include but are not limited to: 1. Explosive atmospheres just as it is dangerous to fuel a vehicle with its motor running,...
Page 9: 2 Specifications
Mm-007024-001 9 2 specifications 1 2.1 general dimensions, mobile radio: 2.8 x 8.8 x 9.3 inches (7.1 x 22.4 x 23.6 centimeters) (height x width x depth) (includes bracket but not cables) dimensions, control head: 2.4 x 7.1 x 2.1 inches (6.10 x 18.03 x 5.33 centimeters) weight, mobile radio: 8.0 poun...
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Mm-007024-001 10 receiver sensitivity 700 mhz otp mode: -111 dbm minimum, -113 dbm typical for 5% bler 800 mhz otp mode: -111 dbm minimum, -112 dbm typical for 5% bler 700 mhz p25 mode (tia-102 method): -116 dbm minimum, -121 dbm typical for 5% bler 800 mhz p25 mode (tia-102 method): -116 dbm minimu...
Page 11: 3 Introduction
Mm-007024-001 11 3 introduction 3.1 general description the m7200 series mobile radios are high-performance full-duplex dual-band digital mobile radios. These radios can operate on 700 mhz and 800 mhz opensky trunked radio networks using the opensky trunking protocol (otp). In the future, the radio ...
Page 12
Mm-007024-001 12 the radio provides half-duplex voice communications, and both half- and full-duplex data communications. Voice communication is accomplished via a “push-to-talk” (ptt) type microphone and a speaker connected to the mobile radio’s control head. For data communications, the radio has ...
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Mm-007024-001 13 3.2 related documents the following documents contain additional information: • operator’s manual: mm23016 • maintenance manual: mm20117 3.3 contacting m/a-com for technical assistance should the mobile radio or control head require repair, or if there are questions or concerns abou...
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Mm-007024-001 14 4 unpacking and checking equipment 4.1 materials an m7250 mobile radio installation consists of two (2) main components: • trunk-mount full-duplex 700/800 mhz mobile radio unit (mru), part number ru25011-0001 • ch-103 control head, part number macdos0003 or ch-103pa control head, pa...
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Mm-007024-001 15 table 4-2: additional options and accessories part number description macdos0003 ch-103 control head macdos0009 ch-103pa control head. Includes siren/pa functionality. Mamv-zn7p kit, accessory; remote-mount for data-only radio. Includes (1) base bracket 1000003678, (1) 10-foot dc po...
Page 16
Mm-007024-001 16 table 4-4: additional accessories for ch-103 and ch-103pa control heads part number description mamv-cl6r kit, cable; ch-103pa public address. Includes (1) 50-foot speaker y- cable macdos0015-nn050, (1) 50-foot common mic interface cable macdos0014-rn050 and (1) 10-inch can y-cable ...
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Mm-007024-001 17 4.2 material inspection caution after removal from the carton, examine the radio, control head and other components for broken, damaged, loose or missing parts. If any are noted, contact m/a-com’s technical assistance center (see page 13) immediately to discuss and arrange the retur...
Page 18: Planning The Installation
Mm-007024-001 18 5 planning the installation 5.1 general information before starting, plan the installation carefully so it will meet the following requirements: • the installation is safe for the operator and passengers within the vehicle. • the equipment is installed away from the airbag deploymen...
Page 19
Mm-007024-001 19 front view rear view (shown with installation cables not connected) figure 5-1: mobile radio unit front and rear views i/o cable’s db-44 connector dc power cable’s 3-pin connector gps antenna cable’s sma connector antenna cable’s tnc connector can port connectors (2 places) mobile r...
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Mm-007024-001 20 5.3 locating components plan the mounting locations of all components (radio, control head, antenna, and cables) and determine the routes for all wiring and cables. Particularly consider the connection of the control head for planning purposes. • determine the customer’s preferences...
Page 21
Mm-007024-001 21 6 mounting the mobile radio in the trunk this section provides details on mounting the mobile radio in the trunk of the vehicle. See figure 5-1 and refer to the respective wiring diagram at the end of this manual as necessary. See section 9 (page 33) for control head installation pr...
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Mm-007024-001 22 radio installation and removal ease. A minimum distance of two (2) inches is recommended from the front edge of the bracket. The bracket is front/back symmetrical, and left/right symmetrical. As all installations differ, bracket-to-vehicle mounting screws are not included. Steel #10...
Page 23
Mm-007024-001 23 2. Deburr all newly drilled mounting holes. 3. Set the bracket in place, and install and tighten the mounting screws. 4. Verify the bracket is firmly secured to the mounting surface. A secure mount prevents unreasonable vibration, which could damage the radio and/or cause its cable ...
Page 24: 7 Antenna
Mm-007024-001 24 7 antenna installation 7.1 antenna mounting locations warning at this time, review all information presented in the safety information section of this manual (begins on page 5). A transmitting antenna must be installed in accordance with the guidelines presented in the safety inform...
Page 25
Mm-007024-001 25 7.1.1 direct center or center-rear of rooftop the center of the vehicle’s roof is the best location for the rooftop antenna ( ❶ in figure 7-1). For optimal performance, the mounting area under the antenna must be a flat with a minimum radius of six (6) inches of metallized ground pl...
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Mm-007024-001 26 7.2.2 install and connect gps antenna the radio is equipped with a gps receiver which requires connection to an externally-mounted gps antenna if the gps functions will be utilized. The smr/gps combo antenna kit includes a gps antenna built into the base of the mobile antenna. No ex...
Page 27: Radio Dc Power Installation
Mm-007024-001 27 8 radio dc power installation refer to the wiring diagrams at the end of this manual. The diagram in section 19 (page 61) includes mobile radio with the ch-103 control head. The diagram in section 20 (page 63) is nearly the same with the exception of the three cables designed for us...
Page 28
Mm-007024-001 28 relay could be completely bypassed in this configuration. Similarly, the 2-ampere atm fuse and fuse holder included in the fuse kit are not needed. Caution because the “hot wired” configuration renders the function of the time delay relay useless, the control head will draw substant...
Page 29
Mm-007024-001 29 3. Connect the ring terminal directly to the battery’s positive post (or if present, to a stud on the battery’s main/non-switched power distribution terminal block). 4. Mount the time-delay relay firmly onto a flat surface within the vehicle’s engine compartment and near the battery...
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Mm-007024-001 30 figure 8-1: fuse and power-off time delay relay wiring at battery (exploded view) 8.2.2 make ground connections at fuse block and time-delay relay 1. Strip one end of the 10-awg black wire (included with the fuse distribution rail kit) and crimp a 3/8-inch ring terminal to it. 2. Ne...
Page 31
Mm-007024-001 31 (image not currently available) figure 8-2: wiring to the fuse distribution rail assembly (exploded view) 6. Label and route the dc power cable’s white wire to the vehicle’s fuse box. Tie and stow as necessary so the wire remains out of the way of casual contact and wire chafe is av...
Page 32
Mm-007024-001 32 2. Strip the end and connect it to the output power distribution side of the fuse block in accordance with the instructions included with the block. 3. Mate the dc power cable’s connector to the radio’s 3-pin power connector as follows: visually align the key and firmly push and tur...
Page 33: Control Head Installation
Mm-007024-001 33 9 control head installation 9.1 general information figure 9-1 below illustrates ch-103 and ch-103pa control head interfaces. Figure 9-1: ch-103 and ch-103pa control head front and rear panels note prior to installation, verify the control head has the proper software version instal...
Page 34
Mm-007024-001 34 9.2 bracket installation caution when drilling holes, be careful to avoid damaging some vital part of the vehicle (fuel tank, transmission housing, etc.). Always check to see how far the mounting screws will extend below the mounting surface prior to installation. After drilling pil...
Page 35
Mm-007024-001 35 2. The control head can be positioned at various angles for best display viewing. As necessary, turn it on the thumbscrews to a good position (typically, as viewed from the driver’s seat) and then tighten both thumbscrews until the control head is held firmly in place. 9.4 can conne...
Page 36
Mm-007024-001 36 9.4.2.2 ch-103pa control head can termination connect the plug (male) connector of the can y-cable to the rear of the ch-103pa and connect the can terminator (item 3 in table 4-3) to one leg of the y-cable. See figure 9-3. See table 4-4 for can y-cable part numbers. Figure 9-3: ch-1...
Page 37
Mm-007024-001 37 9.5.1 install fuse holder and dc power cable and make power connection the control head has a moderately high quiescent-current drain so red wire power connection to the output/load side of the time-delay relay (relay’s yellow wire) through the fuse block is highly recommended. Refe...
Page 38
Mm-007024-001 38 below. The control head’s dc power cable and associated fuse and wire terminal devices are shown in figure 9-4. Note only the control head’s white wire and the time-delay relay’s white wire must be connected to the ignition or switched power sense. When this vehicle line is asserted...
Page 39
Mm-007024-001 39 2. Route the white wire of the control head’s dc power cable from the back of the head to an area near the switched ignition power source. At the back of the head, be sure to maintain a cable service loop of at least six (6) inches. 3. Cut a short section (6 to 8 inches) off the end...
Page 40
Mm-007024-001 40 9.5.3.2 control head and radio turn on with a manual switch with this wiring configuration, the control head and radio are manually turned on and off via an on/off switch mounted separately from the control head and radio, not through the vehicle’s ignition switch/key. This configur...
Page 41
Mm-007024-001 41 head will still draw substantial current to eventually discharge the battery over a reasonably short period of time. In this configuration, the control head’s white wire is simply grounded to the vehicle’s chassis. The atm fuse and fuse holder included in the fuse kit are not requir...
Page 42: 10 Data-Only
Mm-007024-001 42 10 data-only radio connections the data-only configuration of the radio has no control head. The only difference in connections from an installation with a control head is with respect to ignition sense wiring. For a data-only radio, follow the procedure described in either section ...
Page 43: 11 Microphone
Mm-007024-001 43 11 microphone installation 11.1 ch-103 and ch-103pa connections there are several versions of microphones available for use with the radio. In all cases, there is a 14-pin connection to the front panel of the control head. 1. Plug the microphone’s 14-pin connector to the control hea...
Page 44: 12 Speaker
Mm-007024-001 44 12 speaker installation 1. Install the speaker (item 8 in table 4-3) in an area of the front or rear dash that will allow for proper listening range with a moderate volume level setting. Use the hardware and mounting bracket supplied with it. Refer to the speaker manufacturer’s inst...
Page 45: 13 Optional
Mm-007024-001 45 13 optional cables 13.1 full-data i/o option cable the full-data i/o option cable 1000022242-0001 connects to the radio’s 44-pin i/o cable connector. It breaks out into three (3) separate d-subminiature 9-pin (db-9) type connectors. It also has blunt-end wires (i.E., not stripped or...
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Mm-007024-001 46 table 13-1: full-data i/o option cable 1000022242-0001 wire interconnections 44-pin i/o cable connector pin db-9 connector name & pin 2 signal name description 18 serial pin 4 dsr_a tia/eia-232 signal, radio serial port 19 (n/c) (pin 19 of 44-pin connector not used.) 20 gps pin 5, s...
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Mm-007024-001 47 table 13-2: programming option cable 1000022242-0002 wire interconnections 44-pin i/o cable connector pin db-9 “serial” connector pin 3 signal name description 1 7 cts_a tia/eia-232 signal, radio serial port 2 8 rts_a tia/eia-232 signal, radio serial port 3 1 dcd_a tia/eia-232 signa...
Page 48: Connection
Mm-007024-001 48 14 gps nmea-formatted serial data connection in order to obtain the gps nmea-formatted serial data from the radio, the full-data i/o option cable 1000022242-0001 is needed. However, the user may create a custom cable assembly that adapts to the three gps signals noted in table 13-1....
Page 49: 15 Initial Power-Up Test
Mm-007024-001 49 15 initial power-up test 1. At the installation’s main atc fuse holder located near the vehicle battery, open the fuse holder’s cap and install the 30-amp atc fuse. This fuse is a part of the fuse distribution rail kit (a part of item 2 in table 4-1). Push the cap back onto the hold...
Page 50: 16 Performance
Mm-007024-001 50 16 performance tests this section includes procedures to verify the performance of the radio installation. Testing requires a wattmeter to measure rf power. There are three procedures in this section: • changing operating modes • testing into a dummy load • testing with the antenna ...
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Mm-007024-001 51 16.1 changing operating mode for tests operating the radio is accomplished through the navigation pad on the ch-103/ch-103pa control head’s front panel. Follow the actions below to change modes in order to test the transmitter and antenna. 1. If necessary, apply power to the radio a...
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Mm-007024-001 52 16.2 required test equipment table 16-1: required test equipment test equipment comments pc or laptop pc • with microsoft windows ® 95 (or greater) operating system and a termi- nal application to issue commands through the com1 serial port (such as hyperterminal). Recommended hyper...
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Mm-007024-001 53 gps antenna connection not shown. Wattmeter n-type to tnc-type adaptor tnc male to n female coaxial jumper cable slug (25 w, 400– 1000 mhz) dummy load antenna in out radio’s antenna cable tnc female connector m7250 mobile radio (rear view) radio’s dc power cable installation’s dc po...
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Mm-007024-001 54 note transmit only for as long as needed to take the measurement, then immediately disable the transmission. 9. Compare the wattmeter reading with the target rf output power range of 11.8 – 20.0 watts. 10. Record the wattmeter reading for rf output power into the dummy load, or take...
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Mm-007024-001 55 9. Record the wattmeter reading for forward power into the antenna, or take remedial action and measure the output again. • if the wattmeter reading is within the range, record the value in the appropriate space on the data collection form near the end of this manual. • if the wattm...
Page 56
Mm-007024-001 56 warning improper installation of the rf cables may lead not only to poor radio performance but also to harmful exposure to rf electromagnetic energy. 16. Disconnect the computer’s com1 serial port from the radio’s serial port. Testing is complete. The radio is now ready for normal c...
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Mm-007024-001 57 16.5 test performance data form 1. Enter the information requested on this data collection form. Clip this form and file it as a permanent record of the tested performance of the installed full-duplex m7250. Clip here company performing installation technician performing test date o...
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Mm-007024-001 58 this page intentionally left blank.
Page 59: 17 Complete
Mm-007024-001 59 17 complete the installation double-check the following items before considering the installation completed: • verify all newly installed mechanical hardware is mounted securely and all respective mounting hardware is tight. • verify all electrical interconnections are connected pro...
Page 60: 18 Warranty
Mm-007024-001 60 18 warranty a. M/a-com, inc. (hereinafter "seller") warrants to the original purchaser for use (hereinafter "buyer") that equipment manufactured by or for the seller shall be free from defects in material and workmanship, and shall conform to its published specifications. With respe...
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Mm-007024-001 61 19 wiring diagram: mobile radio with ch-103 control head fs24473 fuse kit mamv-su5b ch-103 relay kit i/o #12-10awg moisture resistant butt splice 5a atc fuse, fuse holder, and jumper (from fs23058 fuse kit) 15a atc fuse (from fs23057 fuse kit) macdos0010 can terminator or #12-10awg ...
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Mm-007024-001 wiring diagram inside (with ch103).
Page 63
Mm-007024-001 63 20 wiring diagram: mobile radio with ch-103pa control head ru25011-0001 (mamv-fdlxx) trunk-mount full-duplex radio.
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M/a-com wireless systems 221 jefferson ridge parkway lynchburg, virginia 24501 (outside the usa, 434-385-2400) toll free 800-528-7711 www.Macom-wireless.Com printed in u.S.A. Wiring diagram inside (with ch-103pa).