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Figure 1 Example of a Base/Control Station Configuration

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Speaker

Desk
Microphone

Power Supply

Wall-
outlet

Radio in 
Desktop Tray 

Line Cord 
with Ground

Desktop
Power Cable

Antenna 
Cable

Antenna Connector 

Outdoor Antenna

 

Lightning Protector With 
Quarter Wave Shorting Stub

Summary of Contents for ASTRO Digital Spectra

Page 1: ...Spectra and Digital Spectra FM Two Way Mobile Radios Installation Manual ...

Page 2: ... this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs including but not limited to the exclusive right to copy or reproduce in any form the copyrighted computer program Accordingly any copyrighted Motorola computer ...

Page 3: ...ar with the RF energy awareness information and operating instructions in the Product Safety and RF Exposure booklet enclosed with each radio Motorola publication part number 6881095C99_ to ensure compliance with Radio Frequency RF energy exposure limits This radio has a transmitter Time out Timer that disables the transmitter during a transmission after a predefined time period which by default i...

Page 4: ...Notes ...

Page 5: ...Cable for Remote A3 Control Heads and Dash Mount Radios 17 Alternator Whine Suppressor Installation 17 Antenna Installation 17 Selecting an Antenna Site Location on a Metal Body Vehicle 17 Antenna Installation Procedure 18 Antenna Connection 19 Phone Button Key Installation 19 Options and Accessories Installation for A4 A5 A7 and A9 Model Control Heads 20 VIP Output Connections 20 VIP Input Connec...

Page 6: ...connections on the back of the radio 18 Figure 16 Mini UHF Connection 19 Figure 17 Installing the Phone Button Key on A4 A5 and A7 Model Control Heads 20 Figure 18 VIP Connector Detail 21 Figure 19 Emergency Switch Wiring Diagram 22 Figure 20 Horn Light Wiring Diagram 23 List of Tables Table 1 Radio Functions Connections 15 Related Publications Spectra Detailed Service Manual 68P80102W61 ASTRO Spe...

Page 7: ...references Determine the model and version of the radio as follows SPECTRA Typical model number D 4 3 K M A 7 K A 7 A K If your model number begins with a D your radio is dash mounted if it begins with a T it is a remote unit In the above example the 4 refers to the radio power 8 is high 4 is mid and 3 is low power The A7 refers to the control head model number and the letter A refers to the versi...

Page 8: ...ity Standards Fixed Network Equipment Installation Manual R56 6881089E50 for complete information regarding lightning protection The antenna should be mounted outside the building on the roof or a tower if at all possible and the antenna cable should be earth grounded The radio chassis must be earth grounded and a lightning surge protector should be used in line with the radio connector and the ou...

Page 9: ...C C C C C C C C C C CC C C C C C C C C CCCCC C C C CCCC Speaker Desk Microphone Power Supply Wall outlet Radio in Desktop Tray Line Cord with Ground Desktop Power Cable Antenna Cable Antenna Connector Outdoor Antenna Lightning Protector With Quarter Wave Shorting Stub ...

Page 10: ...e polarity is correct Accidentally reversing the polarity will not damage the radio but will cause the cable fuses to blow Speaker Installation DO NOT ground the radio s speaker leads This system has a floating speaker output dc voltage on both leads damage to the audio circuit will result if either lead is grounded or if they are shorted together The speaker kit includes a trunnion bracket that a...

Page 11: ... 36 37 38 40 41 43 44 45 46 47 48 49 50 VIP MIC RADIO VIP SECTION PIN OUT 1 VIP OUT 2 2 VIP OUT 1 3 VIP IN 2 4 VIP IN 1 5 DEK DATA OUT 18 SWB 19 SWB 20 GROUND 21 GROUND 34 VIP OUT 3 DEK STROBE 35 SWB 36 GROUND 37 VIP IN 3 DEK DATA IN 38 DEK CLOCK PORT ON BACK OF CONTROL HEAD ILLUSTR DESCRI EDITO EH JC BATTERY LIGHT OR HORN RELAY SPEAKER EMERGENCY SWITCH RADIO POWER CABLE FUSE FUSE BLOCK RED LEAD F...

Page 12: ...ONAL ONLY IN DASH MOUNT CONFIGURATION N C IN REMOTE MOUNT CONFIGURATION DIG GND SPKR HI EMER SPKR LO NOTE 1 IGNITION VIP OUT 2 NOTE 1 SWB PTT TX RS232 BUSY 1 2 3 4 5 6 8 7 9 10 11 12 13 14 15 VRS TX CTS RS232 MIC HI RESET RTS RS232 BUS VIP OUT 1 NOTE1 DISC AUD RX RS232 BUS J2 REAR ACCESSORY CONNECTOR ASTRO SPECTRA PWR Mode Scan Phon Sel Call Vol DIM HOME XMIT BUSY 1 2 3 4 5 6 7 8 9 0 Sts Msg H L M...

Page 13: ...13 12 11 10 9 HANG UP BOX HANDHELD CONTROL HEAD FUSE DIG GND SPKR HI EMER SPKR LO NOTE 1 IGNITION VIP OUT 2 NOTE 1 SWB PTT TX RS232 BUSY 1 2 3 4 5 6 8 7 9 10 11 12 13 14 15 VRS TX CTS RS232 MIC HI RESET RTS RS232 BUS VIP OUT 1 NOTE1 DISC AUD RX RS232 BUS J2 REAR ACCESSORY CONNECTOR ASTRO SPECTRA BATTERY LIGHT OR HORN RELAY SPEAKER EMERGENCY SWITCH FUSE BLOCK REMOTE MOUNT CONTROL CABLE MAEPF 21359 ...

Page 14: ...ion As shown in Figure 8 route the bare end of the red radio power cable from the radio to the vehicle s battery compartment using accepted industry procedures and standards Be sure to grommet the firewall hole to protect the cable After the long cable has been routed to the battery compartment decide on a location for the fuse retainer When choosing this location consider ease of checking and rep...

Page 15: ... DO NOT connect the black radio power lead directly to the battery s negative terminal Figure 9 High Power Main Fuse Assembly 40 Amp Exploded View Parts List Fuse Assembly for High Power Main Fuse 40 Amp Remote Radio Control Cable Installation The radio control cable should go from the rear of the control head to the radio Route the cables in the vehicle s wiring troughs where available or route t...

Page 16: ...rformance orient the mounting trunnion as shown in Figures 4 and 6 Use the radio s mounting trunnion as a template to mark the mounting hole locations Fasten the trunnion to the dash or on the transmission hump using the self drilling screws provided Locking Kit Installation Optional If a locking kit is used shown in Figures 5 and 7 position the lock bottom housing on the trunnion before installin...

Page 17: ... surface where the radio could be partially submersed in water This is especially important if the cab area of the vehicle is cleaned by spraying with water If the radio sits in water for a length of time moisture will seep inside the radio and damage the electronic components DO NOT allow water to stand in recessed areas of vertically mounted radios Remove any moisture immediately to prevent it f...

Page 18: ...t interfere with the operation of the vehicle or its accessories nor disturb passenger seating or leg room The control head must be within convenient reach and viewing of the user s Although the trunnion can be mounted on a plastic dashboard all four mounting screws should penetrate the dashboard s supporting metal frame If that is not possible use a metal backing plate not supplied to strengthen ...

Page 19: ...t the speaker to the accessory cable harness IMPORTANT USE A METAL BACKING PLATE NOT SUPPLIED IF MOUNTING TRUNNION ON A PLASTIC DASHBOARD DRILL FOUR 5 32 HOLES IN DASHBOARD DASHBOARD TRUNNION 03 00136756 USE FOUR MOUNTING SCREWS ON ALL INSTALLATIONS ADJUST THE CONTROL HEAD TO DESIRED ANGLE AND SECURE WITH WING SCREWS VIP CONNECTOR TO MICROPHONE TO SPEAKER TO RADIO ORANGE AND GREEN LEADS MAEPF 2145...

Page 20: ...on switch is in the off position but the transmitter will not operate unless the ignition switch is in the on position In this case connect the orange wire to the accessory terminal of the ignition switch and the green wire to the ungrounded terminal of the battery or starter solenoid DO NOT connect either lead to the ungrounded terminal of the battery at this time IMPORTANT USE A METAL BACKING PL...

Page 21: ...connected to the cable kit slide the plastic insulator fuseholder over the wire as shown in Figure 9 Insert the stripped end of that wire into one of the metal fuse clips and crimp it closed onto the exposed wire Solder it for a better electrical contact On the end of the loose wire repeat the above crimping and soldering process with the remaining metal fuse clip Table 1 Radio Functions Connectio...

Page 22: ...pped end of the wire into the spade or ring tongue lug Crimp and solder the lug as was done on the metal fuse clips above Figure 14 Fuseholder Assembly and Parts List for Orange and Green Control Cables Parts List Fuse Assembly for Orange and Green Leads Transmitter Control Power Lead Orange Connect the orange lead to the ignition switch recommended or directly to the battery hot supply see Figure...

Page 23: ...ation IMPORTANT NOTE To assure optimum performance and compliance with RF Energy Safety standards these antenna installation guidelines and instructions are limited to metal body vehicles with appropriate ground planes and take into account the potential exposure of back seat passengers and bystanders outside the vehicle NOTE For mobile radios with rated power of 7 watts or less the only installat...

Page 24: ...d RF GPS antenna ensure that the antenna has a clear view of the sky and that the antenna base with the GPS receiver is not covered by any metallic or radio frequency absorbing material Any non glass mount GPS antenna should be positioned next to the RF antenna Any other mobile radio antenna should be at least 30 centimeters 1 foot away from the RF antenna NOTE Any two metal pieces rubbing against...

Page 25: ...o jack but do not engage the threads 4 Ensure that the plug s and jack s interlocking features are fully seated Check this by grasping the crimp on the cable jack rotating the cable and noting any movement If the features are seated correctly there should be NO movement 5 Finger tighten the antenna cable plug s collar onto the radio s jack 6 Give a final tug by hand to the collar and retighten by ...

Page 26: ... depending on the configuration of the VIP outputs The control head has three VIP output connections shown as follows The function of these VIP outputs can be field programmed in the control head Typical applications for VIP outputs are external horn lights alarm and horn ring transfer relay control For further information on VIP outputs see the control head programming manual VIP Input Connection...

Page 27: ... pin and a VIP IN pin on the VIP connector Horn External Alarm Relay Installation Mount the horn relay in a suitable location normally under the dash Connect the relay contacts across the horn ring switch typically found in the steering column Connect the two control wires to a SW B pin and a VIP OUT pin on the VIP connector Lights External Alarm Relay Installation Mount the light relay in a suita...

Page 28: ...it Open the accessory cable connector housing remove the jumper wire Connect the emergency switch wires to pins 2 and 8 see Figure 19 Close the connector housing route the finished cable from the switch location to the control head location Figure 19 Emergency Switch Wiring Diagram Horn and Lights External Alarms Relays For installations that use the horn lights option select a suitable location f...

Page 29: ...two control wires male pins into locations 3 and 4 of the accessory connector Figure 20 Horn Light Wiring Diagram 1 2 3 4 5 6 7 8 11 12 13 14 10 9 15 SWB VIP OUT 2 LIGHTS VIP OUT 1 HORN CONNECT ACROSS HORN RING SWITCH CONNECT ACROSS HEAD LAMP SWITCH SPST N O RELAY 12V COIL 12V COIL VIP OUT 1 SWB VIP OUT 2 SPST N O RELAY ACCESSORIES CONNECTOR PIN 12 PIN 4 PIN 3 ...

Page 30: ...le connector or accessory cable harness A3 model 3 Plug the VIP connector into the remaining location on the back of the control head 4 Connect the control cable to the radio and tighten the connector by tightening the jack screws To ensure a proper water seal the jackscrews on the radio cable connectormustbetight Iftheaccessoryportonaremote mounted radioisnotused thecovergasketassembly HLN6233_ m...

Page 31: ...include the number of the chassis or kit of which it is a part and sufficient description of the desired component to identify it Crystal orders should specify the crystal type number crystal and carrier frequency and the model number in which the part is used Replacement Parts Test Equipment Manuals Crystal Service Items Motorola Inc United States and Canada Accessories and Aftermarket Division A...

Page 32: ...Motorola 8000 West Sunrise Boulevard Fort Lauderdale Florida 33322 68P81070C85 D 6881070C85 6881070C85 ...

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