CNI CNI-803D Скачать руководство пользователя страница 7 | Manualshive

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Fastening

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Grounding

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Warning Label

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Antenna Spec.

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Содержание CNI-803D

Страница 1: ...1 User Guide to User Guide to User Guide to User Guide to CNI 803D Radio Packet Modem Radio Packet Modem Radio Packet Modem Radio Packet Modem CNI Inc CNI Inc CNI Inc CNI Inc...

Страница 2: ...____ 5 B LOGIC Circuit_________________________ ________________ ____7 4 Installation Guide_____________________________ ______________ 9 1 Overview CNI 803D RPM Radio Packet Modem is a digital data c...

Страница 3: ...bps for MDC C Radio interface Channel spacing 25KHz Bandwidth 20KHz D Transmitter Frequency 806 821 MHz Transmit power 2Watt Frequency stability 2 5ppm Modulation stability 10 FM deviation 5 6KHz for...

Страница 4: ...ge frequency of communication TX RX signal isolation circuit isolates signals of communication and is composed of switching diode and inductor The signals received from antenna meet the send receive p...

Страница 5: ...55KHz simultaneously 2nd IF signal of 455KHz passes LPF Ceramic filer to remove the noise and the signal is de modulated with discriminator method Here detected RF signal entered into receiver and RSS...

Страница 6: ...ocol and transmits two way Data between CPU and RF part The main functions are as followings Packet Data Framing FSK Data Modulation FEC Encoding Decoding Interleaving De interleaving 4 Installation G...

Страница 7: ...7 1 1 Fastening 1 2 Grounding Warning Label Antenna Spec...

Страница 8: ...8 1 physical Dimensions...

Страница 9: ......

Страница 10: ...eady 3 PWRON RPM Power On Off 13 MAGWAIT Message Wait 4 RXD Receive Data 14 DCD Data Carrier Detect 5 SENSE1 Status Input 1 15 INRANE In Range Indicator 6 RTS Request to Send 16 RI Ring Indicator 7 SE...

Страница 11: ...MSGWAIT TxDA 22 VCC HOST CPU 22 PWRON LOWBATT HOST VCC VCC SENSE1 4 SENSE RI HOST VCC CPU CPU INRANGE RTS 22 HOST HOST VCC 22 22 DSR RXD VCC VCC CPU DTR INDICATE RxDA 22 VCC CPU 22 CTS VCC RESET DCD T...

Страница 12: ...Design Considerations To integrate a wireless modem there are several issues that need to be addressed and considered Internal connections and placement are critical to a successful implementation A...

Страница 13: ...in and proximity to user Mechanical design for drop vibration dust salt and liquid spill Note Regarding this last point CNI 803D modem is designed on the assumption that the host device will control t...

Страница 14: ...igure shown below 1 2 Grounding For CNI 803D modem the pin number 19 of connector on the modem is ground pin So if user properly places the modem ground is automatically done Warning Label Following w...

Страница 15: ...frequency range of 800MHz for 2 Conditions of using Antenna I 3 Shape of Antenna 11 17 003 4 Electrical features and Performance Item Features Performance Remark Frequency range 806 870 MHz Nominal im...

Страница 16: ...ector SMA Plug Ni plating Total length 88 2mm 6 Other features and performance 6 1 Temperature Antenna shall not be deformed or damaged and shall satisfy Clause 4 in this specification after Placing A...

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