Midland SD-225U1 Скачать руководство пользователя | Manualshive

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User’s Guide

SD-225 Series

16 Channel UHF/VHF Data Radio

www.midlandradio.com

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Содержание SD-225U1

Страница 1: ...User s Guide SD 225 Series 16 Channel UHF VHF Data Radio www midlandradio com ...

Страница 2: ...ironment This radio is restricted to occupational use work related operations only where the radio operator must have the knowledge to control the user s exposure conditions for satisfying the higher exposure limit allowed for occupational use DO NOT transmit for more than 50 of total use time 50 duty cycle Transmitting more than 50 of the time can cause FCC RF exposure compliance requirements to ...

Страница 3: ...r 4 Safety 4 Introduction 6 Radio Models 6 Radio Features 6 Recommended Accessories and Options 7 Radio Connections 8 Connection Overview 8 External Interface 10 DB9 Radio Interface Connector Details 10 Setup and Operation 12 Mounting 12 Channel Selection 12 Status LED 13 Specifications 14 Warranty Statement 15 ...

Страница 4: ...ice Every effort has been made to ensure that the information in this document is complete accurate and up to date Midland assumes no responsibility for the results of errors beyond its control The manufacturer of this equipment also cannot guarantee that changes in the equipment made by unauthorized people will not affect the transceiver s performance or functions Safety Your SD 225 data radio ha...

Страница 5: ...r the radio equipment Never attempt to service the radio yourself All equipment should be serviced by a qualified technician Contact you local dealer or communications coordinator for assistance Do not allow the antenna to touch or come in very close proximity with the eyes face or any exposed body parts while the radio is transmitting The above warning list is not intended to include all hazards ...

Страница 6: ...ompact rugged die cast enclosure 5 Tri color LED for operating warning and programming status indications 5 9 18 Vdc supply voltage operating range 5 5 Watts transmit power A low power selection 1 Watt may be chosen if full power is not needed 5 12 5 KHz and 25 KHz channel spacing programmable per channel 5 49 CTCSS tones 104 DCS codes available programmable per channel 5 Software adjusted noise s...

Страница 7: ... keep the transmitter active for a short time after the PTT signal is removed 5 Basic radio controls transmit mode receive mode channel change and modem test are available via serial commands Recommended Accessories and Options Software ACC 917 PC programming and adjustment software Cables ACC 2025 USB PC programming cable Options ACC 512 Bell 202 V 23 internal 1200 baud modem ...

Страница 8: ...ay be chosen based on the information given below Power Connection The SD 225 needs a stable 12V DC power source capable of supplying at least 2 amps of current The power connections should be made to DB9 pins 4 and 5 The nominal input voltage for the SD 225 is 12 Vdc but it is capable of operating in a 9 18 Vdc range PTT Connection A connection to the PTT input DB9 pin 3 is required to put the SD...

Страница 9: ...7 This will load pin 7 when transmitting Pin 7 has a second function in receive mode If this pin is switched low in receive mode the SD 225 will enter monitor mode open squelch The MIC_IN load should only be in the circuit during transmit mode It may be necessary to use an A C coupling capacitor from the external modulation source to prevent the SD 225 from entering monitor mode Demodulated Output...

Страница 10: ...0 2006 Midland Radio Corporation External Interface 1 DB9 male modulation input demodulation output control inputs and power supply 2 BNC female antenna connection DB9 Radio Interface Connector Details 2 5 in 4 6 in 1 2 in ...

Страница 11: ...on See modem manual RS232 level 12V TX 12V RX 4 GND Ground Ground connection to chassis of the radio 5 B DC supply input Power connection 9 18Vdc 12Vdc nominal 6 default BUSY_DET Busy detect output Active low output to indicate presence of carrier or carrier CTCSS DCS TTL level 0V carrier 6 alternate BUSY_DET Busy detect output CON407 configured for RS232 Busy Carrier detect output from modem opti...

Страница 12: ...center dimensions are shown above The RF cabling should be routed separately from the control cabling to avoid interference Channel Selection 4 33 in 2 01 in D 0 14 in 1 93 in 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N 1 2 3 4 O N CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 ...

Страница 13: ...indicating certain conditions Radio Mode Radio Status LED Indication Beep Indication Power on GreenÆorangeÆred Busy channel Steady orange Busy channel w correct CTCSS DCS Steady green Normal Operation Transmit Steady red Busy channel lockout Continuous green flash when PTT activated Continuous beep Time out timer expired Continuous green flash while transmitting 5 sec before time out timer expires...

Страница 14: ...quency stability 30 to 60 C 2 5 ppm 12 dB SINAD sensitivity 0 3 µV Selectivity 60 dB 12 5 KHz 70 dB 25 KHz Intermodulation rejection 70 dB 50 100 KHz Spurious rejection 70 dB Acceptable radio freq displacement 1 75 KHz NB 3 5 KHz WB Squelch sensitivity 0 5 µV default software adjustable Audio response per EIA TIA 603 specs Audio output into 8Ω 1 Vrms nominal w 3 distortion RF input impedance 50 Ω ...

Страница 15: ...of its use and for the reinstallation of the product Midland shall have no obligation to make repairs or to cause replacement required which results from normal wear and tear or is necessitated in whole or in part by catastrophe fault or negligence of the user improper or unauthorized alterations or repairs to the Product incorrect wiring use of the Product in a manner for which it was not designe...

Страница 16: ...es with Part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference This radio operates in FCC regulated frequency bands All radios must be licensed by the FCC before use Because this radio contains a transmitter Federal law prohibits unauthorized use or adjustments of this radio ...

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