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Gemini

Mobile Radiomodem

Installation Guide

Version 1.10

The entire contents of this manual and the Radio Installation Software
described in this manual are copyright 2000 by

DATARADIO

Inc.

DATARADIO

Inc.

March 2000

Part no.: 120 20110-110

Содержание Gemini

Страница 1: ...em Installation Guide Version 1 10 The entire contents of this manual and the Radio Installation Software described in this manual are copyright 2000 by DATARADIO Inc Copyright DATARADIO Inc March 200...

Страница 2: ...NIT 4 2 3 1 Recommended tools and supplies 4 2 3 2 Physical mounting of GeminiPD 4 2 4 ELECTRICAL INSTALLATION 5 2 4 1 Electrical requirements 5 2 4 2 Routing of power cable 5 2 5 ANTENNA 7 2 5 1 Reco...

Страница 3: ...rrier 15 4 4 4 4 Ping Button 16 4 4 4 5 Ping addresses 16 5 TROUBLE SHOOTING AND TESTING 17 5 1 EQUIPMENT REQUIRED 17 5 2 BASIC TESTS 17 5 3 GPS TEST 17 6 SPECIFICATIONS 19 FIGURE 1 MOUNTING PLATE AND...

Страница 4: ...What s New in Version 1 0 History March 2000 Version 1 10 Addition of 800MHz specifications revision to paragraph 2 2 1 RF Radiation Warning and to paragraphs 2 5 through 2 5 3 Antenna installation Ja...

Страница 5: ...rection input or out put of the various RS 232 interface signals Most user equipment as well as PCs are wired as DTE GCU GeminiPD Control Unit board GeminiPD High specs mobile radiomodem PD Parallel d...

Страница 6: ...is made up of a main transceiver and an auxiliary receiver for Parallel Decode PD a 40 Watt power amplifier 35 Watt for 800 MHz model a Gemini Control Unit GCU with DSP driven modem and an integrated...

Страница 7: ...d radio modules Contact Technical Support for service in formation before returning equipment A Technical Support representative may sug gest a solution eliminating the need to return equipment 1 5 1...

Страница 8: ...ngers Keep wiring away from automotive com puter modules other electronic modules and ignition circuits to help prevent interference between these components and radio equipment Try using existing hol...

Страница 9: ...d petroleum gas with the LP gas container in the trunk or other sealed off space within the interior of the vehicle must conform to the National Fire Protection As sociation Standard NFPA 58 which re...

Страница 10: ...ng the four supplied 8x40 black machine screws 7 Drill any additional holes as required for routing all cables and fit holes with suitable grommets or bushings whenever required 2 4 Electrical install...

Страница 11: ...cting the red DC power lead 7 Attach the negative wire at the battery ground and the positive lead at the bat tery positive Ensure tight and secure connections 8 Fasten the fuse holder and leads 9 Car...

Страница 12: ...l surface is preferable for best omni directional pattern For ground plane independent antennas installation may be close to the edges of the surface Follow spacing for TX antenna Install the antennas...

Страница 13: ...e GPS position below the auxiliary connector position 7 Do not skip this last step trust us it is an important one To complete the in stallation tie wrap together the auxil iary and the GPS antenna ca...

Страница 14: ...auxiliary receiver One SMA type female connector for the GPS receiver Two LED indicators Three DE 9F RS232 ports The rear panel includes One mini UHF type female antenna connector for the main transc...

Страница 15: ...DCD from GeminiPD normally asserted 2 RXD data from GeminiPD 3 TXD data to GeminiPD 4 DTR to GeminiPD handshaking 5 Ground 6 DSR from GeminiPD tied to VCC through current limiting resistor 7 RTS to G...

Страница 16: ...d failure to run the program alone re sults in unexpected transmissions It has the general look and feel of an MS Windows program Mouse operation is the con ventional click double click plus click and...

Страница 17: ...an existing configuration from a unit to a file Take a configuration from a file and upload it to a unit Check GeminiPD Test and or trouble shoot installations 4 4 1 Configuration to a file Saving th...

Страница 18: ...e operating characteristics of a unit Requires intervention with technical support Carry out field updates using Dataradio system engineering supplied diskette s Warning Do not make any changes to the...

Страница 19: ...Comments 1 Type comments directly in the Comments field These can be text up to 24 characters Use this field to enter user convenient de scription s customer name location etc 2 Press the button Put...

Страница 20: ...sceiver RX signal rear mini UHF con nector The right column indication labeled II shows the auxiliary RX signal front mini UHF con nector Meter precision is usually better than 3 dBm This indicator fu...

Страница 21: ...status bar The functions of all the other buttons are inoperative during pinging The program sends a test query and continues transmitting pings at brief intervals As soon as a Ping test signal is re...

Страница 22: ...on details 5 3 GPS Test About three minutes after ignition is turned on the PWR LED on the GeminiPD front panel should flash in amber color at the rate of one pulse per second This indicates that the...

Страница 23: ...th a 1 kHz tone Full channel unit 19 2 and 16 kb s 4 0 kHz 9 6 kb s 3 0 kHz Half channel unit 9 6 kb s 2 5 kHz Tolerance is 5 10 for all bit rates Service monitor set to read deviation IF filter set t...

Страница 24: ...VDC 550 mA Standby with auxiliary receiver TX Current at 13 6 VDC 15 A TX RX separation 5 MHz typical Nominal Dimensions 7 050 D x 6 000 W x 2 0000 H Weight 3 5 lbs RF input output Impedance 50 ohms...

Страница 25: ...d noise 45 dB max 25 kHz Attack time 10 ms MODEM OPERATION Operation Simplex half duplex Data rates 9600 b s 19200 b s Modulation type DRCMSK Packet Error Rate for 1 error better than 109 dBm at 19200...

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