Related Manuals for CNI CNI-803D
Summary of Contents for CNI CNI-803D
- Page 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.
-
Page 2: Table Of Contents
4. Installation Guide_____________________________ ______________ 9 1. Overview CNI-803D, RPM(Radio Packet Modem), is a digital data communication equipment in accordance with RD-LAP19.2 and MDC4800 specification. CNI-803D uses the frequency ranges from 806MHz to 821Mhz for transmission, and from 851MHz to 866MHz for reception. -
Page 3: Specification And Features
! Basic specification : 70 × 47 × 9mm Dimension Weight : 37 g Supply voltage : 5V : RD_LAP19.2 on Data TAC4000 & 5000 RF protocol Μ∆Χ4800 ον ∆ατα ΤΑΧ4000 Host protocol : NCL1.2 2. Specification and features A. Environment Operation temperature : -30 ~ +60 Storage temperature : -35 ~ +80... -
Page 4: Circuit Guide
Antenna part is composed of antenna matching circuit, BPF, and Rx/Tx signal isolation circuit. CNI-803D adapts /4 WHIP antenna to match to mid range frequency of communication. TX/RX signal isolation circuit isolates signals of communication and is composed of switching diode and inductor. -
Page 5: Logic Circuit
Receiver filters and amplifies RF signal through SAW filter and LNA RX part is double super heterodyne type, and consists of LNA, LPF, Mixer, SAW filter and IF IC part. There happens RX signal from antenna and the signal is low-noise- amplification (LNA) through SAW filter and LNA, and it comes to 2nd IF 455KHz via 2nd X-TAL44.545MHz. -
Page 6: Installation Guide
Memory stores LLI information and program. And SRAM supplies memory stacks for program. Decoder Part(IC6) Decoder decodes control signal of CPU and generates SRAM memory choosing signal. Modem Data Pump(IC7) Modem part is in charge of NCL protocol , and transmits two way Data between CPU and RF part. - Page 7 1.1 Fastening 1.2 Grounding Warning Label " " Antenna Spec.
- Page 8 1.physical Dimensions...
- Page 10 : Clear to Send 18. 5V PWR : 5V Power Supply 9. SENSE3 : Status Input 3 19. GND : Ground to Host 10. DTR : Data Transmit Ready 20. 5V PWR : 5V Power Supply INTERFACE CIRCUIT OF CNI-803D...
- Page 11 TxDA RxDA HOST HOST MSGWAIT INRANGE LOWBATT SENSE1-4 INDICATE SENSE HOST HOST RESET PWRON HOST...
- Page 12 Power Supply Current Usage 3.1 Example of Power Supply from out-source : input Voltage 5V ± 10%, more than 3A 3.1 3.2 Current Usage : 2000mA : 78A Stand-By : 12mA Design Considerations To integrate a wireless modem, there are several issues that need to be addressed and considered.
- Page 13 Antenna gain 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 these conditions 1.2 Fixed Mount Usage Fixed-mount usage eliminates most of the mechanical constraints of handheld designs.
- Page 14 Mount the modem to the rigid OEM product housing by using three #2-56 UNC 2A machine screws as the figure 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.
- Page 15 " Antenna Spec. Product Name : Whip Antenna of 800MHz Range MODEL : HA-850W-SSMA Application Τηισ σπεχιφιχατιον δεσχριβεσ λ/4 WHIP ANTENNA used for frequency range of 800MHz for τρανσµισσιον ∆ΑΤΑ οφ ωιρελεσσ. Conditions of using Antenna € Ηανδηελδ € Φιξεδ € Μοβιλε € Ουτδοορ € Iνδοορ ϒ Οτηερσ Shape of Antenna Ρεφερ...
- Page 16 Item Specification/Features Remark Radiator Ø1.5 Speedo wire Sleeve Shrinkable Tube F-Type Ø1.5 Connector 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 Antenna at –30 and 70 for 96 hours.
Need help?
Do you have a question about the CNI-803D and is the answer not in the manual?
Questions and answers