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LBI-38636S

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Summary of Contents for Mastr III

Page 1: ...Installation Manual LBI 38636S MASTR III Conventional Base Station...

Page 2: ...of the United States This manual is published by M A COM Private Radio Systems Inc without any warranty Improvements and changes to this manual necessitated by typographical errors inaccuracies of cu...

Page 3: ...net Installation 12 Double Stacked 37 inch Cabinet installation 13 ELECTRICAL CONNECTIONS 14 AC Power 14 Microphone 14 Antenna 14 TELEPHONE LINE CHARACTERISTICS 14 Telephone Lines 14 Types Of Voice Gr...

Page 4: ...24 Figure 14 Antenna Installation 25 Figure 15 MASTR III System Module Pot Alignment 27 Figure 16 T R Shelf Interface Board 32 Figure 17 T R Shelf Interface Board Rev A 35 Figure 18 T R Shelf Interfac...

Page 5: ...LIMITATION 90 205 90 309 90 635 THE LIMIT USED WAS FOR UNCONTROLLED EXPOSURE THE FORMULA USED WAS DERIVED FROM OET 65 SECTION 2 EQUATION 4 SAFETY TRAINING INFORMATION WARNING YOUR M A COM MASTR III BA...

Page 6: ...Hazardous Electromagnetic Fields RF and Microwave CAUTION TO ENSURE THAT YOUR EXPOSURE TO RF ELECTROMAGNETIC ENERGY IS WITHIN THE FCC ALLOWABLE LIMITS FOR OCCUPATIONAL USE ALWAYS ADHERE TO THE FOLLOWI...

Page 7: ...e Dynamic Notes 1 Typical station consists of a One T R Shelf with plug in modules b One Power Amplifier c One power supply unit d One cabinet with doors 2 One rack unit equals 1 75 inches INTERFACE L...

Page 8: ...MHz LBI 38675 Transmit Synthesizer Module LBI 38671 Receive Synthesizer Module LBI 38672 Receiver Front End Module LBI 38673 LBI 39129 IF Module LBI 38643 LBI 39123 Power Amplifier LBI 38674 Duplexer...

Page 9: ...LBI 38636S 10 NOTE Indented maintenance manuals are included with the header cover maintenance manual...

Page 10: ...th a three conductor AC power cord The power cord must be plugged into an approved three contact electrical outlet with the grounding wire firmly connected to an electrical ground safety ground at the...

Page 11: ...R POWER AMPLIFIER The Transmitter Power Amplifier is mounted directly behind the T R Shelf Cabling from the output of Power Amplifier will depend on the system configuration UNPACKING EQUIPMENT Unpack...

Page 12: ...t is available Ensure the front and rear of the station cabinets are clear of obstructions so serviceman can easily remove the front and rear doors for servicing Also the front and rear air louvers an...

Page 13: ...e connections are shown in Figure 5 Antenna The antenna cable may be routed through the top rear or bottom rear of the cabinet directly to the appropriate connector within the station depending upon t...

Page 14: ...ting at somewhere around 0 dBm input to the amplifier The limiters do not cause any real problems on DC systems since only the voice peaks are clipped However special care must be used when applying t...

Page 15: ...LBI 38636S 16...

Page 16: ...luctuation of 3 dB and a LONG TERM variation of 4 dB If a 10 dB loss line at 1000 Hz is specified up to 14 dB loss can be expected and the phone company would still be within their design limits The l...

Page 17: ...or run each line directly to the base station A check with the phone company can determine which approach is the least expensive over a period of time i e an analysis of non recurring costs versus rec...

Page 18: ...ir name from certain historical designations of the signaling leads on circuit drawings An M lead is associated with the transMit function or Mouth while the E lead is associated with the recEive func...

Page 19: ...e tone re mote console the remote control pair should be connected to TB101 3 and TB101 4 Four Wire Tone Remote When the control shelf is used with a four wire tone re mote console the remote control...

Page 20: ...large ground currents may result in interference with control function if located near sub stations 3 One voice grade circuit for bi directional audio and the other a metallic pair of control voltages...

Page 21: ...LBI 38636S 22 Figure 8 METHOD 1 Single Metallic Pair Figure 9 METHOD 2 Single Metallic Earth Ground...

Page 22: ...LBI 38636S 23 Figure 10 METHOD 3 Metallic Control Pair Audio Pair Figure 11 METHOD 4 Full Duplex Metallic TX Pair...

Page 23: ...an adapter must be installed The adapter may be either purchased or locally manufactured Making your own requires only three wire connections Figure 13 Pin 2 Pin 3 Pin 5 Pin 2 Pin 3 Pin 7 DB9 DB25 Fig...

Page 24: ...Duplex External Duplexer BNC Female Rx N Type Female Tx T R Shelf Low Pass Filter CAUTION TO ENSURE THAT YOUR EXPOSURE TO RF ELECTROMAGNETIC ENERGY IS WITHIN THE FCC ALLOWABLE LIMITS FOR OCCUPATIONAL...

Page 25: ...and Line Output T101 2 5 with a 600 ohm load This step must be completed for all parts of the alignment to ensure proper level setting Table 4 1 Line In Set Line Input digital potentiometer Pot LI to...

Page 26: ...POT LI POT DLI POT CP POT CT POT RG POT TX POT CG POT Line Out DSP Line Cancellations Line In DSP Line In DSP Compress or Gain Comp Threshold Repeater Gain Transmit Channel Guard HANDSET NUMBER 1 5 3...

Page 27: ...Pot Deviation For Setting Line In Pot With Compression Standard 25 Hz kHz Bandwidth 4 0 kHz NPSPAC 3 2 kHz Narrow 12 5 kHz Bandwidth 2 0 kHz 6 Line Out If not a remote station set the Line Out LO Pot...

Page 28: ...ich audio source is routed to the transmitter Possible sources are LOCAL MIC REPEAT AUDIO DSP LINE TX AUDIO DSP TX AUDIO EXTERNAL High Speed Data LINE IN AUDIO OPEN used for Morse code ID and GROUND u...

Page 29: ...LBI 38636S 30...

Page 30: ...LBI 38636S 31...

Page 31: ...LBI 38636S 32 Figure 16 T R Shelf Interface Board...

Page 32: ...LBI 38636S 33...

Page 33: ...LBI 38636S 34...

Page 34: ...LBI 38636S 35 Figure 17 T R Shelf Interface Board Rev A...

Page 35: ...LBI 38636S 36...

Page 36: ...LBI 38636S 37...

Page 37: ...LBI 38636S 38 Figure 18 T R Shelf Interface Board Rev C...

Page 38: ...will be selected The gains in the circuitry are set such that 100 mVrms in on MIC HI or 1 Vrms 3 kHz deviation in on VOL SQ HI REPEAT AUDIO will produce the same line output level The gains for VG ALE...

Page 39: ...R III station s TX Audio or CG digital potentiometers Use the CG pot CTCSS pot for CSI 32 to adjust the Subaudible Tone Modulation level and the TX AUDIO pot Audio Output pot for CSI 32 to adjust the...

Page 40: ...vated Squelch P3 5 Pins 7 8 DGND Power Ground P2 2 Pin 9 EXT_LSD CTCSS Encode P3 14 Table 12 Zetron 38A Repeater Panel Connections Zetron 38A SIGNAL NAME FUNCTION MASTR III CONNECTION Pin 1 A DC Power...

Page 41: ...ility Handset SPK9024 Antenna Switch 19B235897P1 RF Extender Card 19D903197G2 System Module Extender Card 19D903197G1 U link BNC to BNC Coax Link 344A3052P1 PC Programming TQ 3353 Programming Cable DB...

Page 42: ...LBI 38636S 43 This Page Intentionally Blank...

Page 43: ...INTERCONNECTION DIAGRAM LBI 38636S 35 MASTR III STATION T R SHELF INTERCONNECT 19D903635 Sh 1 Rev 4A...

Page 44: ...LBI 38636S INTERCONNECTION DIAGRAM 36 MASTR III STATION ANTENNA CONFIGURATION INTERCONNECT 19D903635 Sh 2 Rev 6 MASTR III STATION AUXILIARY RECEIVER INTERCONNECT 19B802439 Rev 1...

Page 45: ...INTERCONNECTION DIAGRAM LBI 38636S 37 MASTR III STATION EMERGENCY POWER INTERCONNECT 19D903635 Sh 3 Rev 2...

Page 46: ...LBI 38636S INTERCONNECTION DIAGRAM 38 MASTR III STATION GETC VG INTERCONNECT 19D904268 Rev 4...

Page 47: ...INTERCONNECTION DIAGRAM LBI 38636S 39 MASTR III STATION SCAT 188D5683 Rev 2...

Page 48: ...LBI 38636S INTERCONNECTION DIAGRAM 40 MASTR III STATION BACK TO BACK REPEATER HARNESS 19B803976 Rev 1 MASTR III STATION BACK TO BACK REPEATER 19B804016 Rev 1...

Page 49: ...LBI 38636S 41 Intentionally Left Blank...

Page 50: ...M A COM Wireless Systems 3315 Old Forest Road Lynchburg Virginia 24501 Outside USA 434 385 2400 Toll Free 800 528 7711 www macom wireless com Printed in U S A...

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