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Related Manuals for Dataradio Gemini/PD+
Summary of Contents for Dataradio Gemini/PD+
- Page 1 Gemini Mobile Radiomodem Installation Guide Version 1.06 PRELIMINARY The entire contents of this manual and the Radio Installation Software described in this manual are copyright 2002 by Inc. DATARADIO Copyright Inc. DATARADIO December, 2002 Part no.: 120 20120-106 Preliminary...
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Page 2: Table Of Contents
Table of Contents PRODUCT OVERVIEW........................... 1 1.1 I ............................1 NTENDED UDIENCE 1.2 G ............................ 1 ENERAL ESCRIPTION 1.2.1 Features ..............................1 1.2.2 Configuration ............................2 1.3 F ........................2 ACTORY ECHNICAL UPPORT 1.4 P ............................2 RODUCT ARRANTY 1.5 R ............................ - Page 3 3 - DC P ..........................6 IGURE OWER ONNECTOR 4 - A ............................7 IGURE NTENNA SPACING 5 - F ..........................9 IGURE RONT AND REAR PANELS 1 - G ........................10 ABLE EMINI S INDICATIONS 2 - RS-232 S ..........................
- Page 4 What's New in this version History Version 1.06, December 2002 • Introduction of xRC8FSK modulations. Version 1.05, November 2002 • MM-reserved – R&D in progress. Version 1.04, November 2002 • Introduction of Gemini in 900 MHz frequency band. Version 1.03, October 2002 •...
- Page 5 Definitions The following terms are used throughout this document. Item Definition Data Communications Equipment. This designation defines the direction (input or output) of the various RS-232 interface signals. Modems are always wired as DCE. Data Terminal Equipment. This designation defines the direction (input or out- put) of the various RS-232 interface signals.
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Page 6: Product Overview
• Parallel Decode (PD) technology featuring fication of the Gemini DATARADIO dual receivers for added decode sensitivity in multi-path and fading environments. Intended Audience • Sophisticated DSP-based modem design This document is designed for use by engi-... -
Page 7: Configuration
This product is not field serviceable, except by customer network system requirements, usu- the replacement of a complete unit. Special- ally by Dataradio System Engineering. Con- ized equipment and training is required to re- figuration is not changeable in the field with- pair the GCU board and radio modules. -
Page 8: Installation
window columns that are convenient to run 2. Installation cables and wires. Whenever possible, install conduit in which to Planning the Installation run the cables. 2.1.1 Overview Warnings To ensure trouble-free, efficient installation, start by inspecting the vehicle to determine the Before starting installation, review all of the optimum position for Gemini and its anten-... -
Page 9: Explosive Environments
loose in case of an accident or violent maneu- Outside filling connections shall be used vers. for the LP-gas container. The LP-gas container space shall be vented to 2.2.4 Explosive environments the outside of the vehicle. Operation of vehicular radio transmitters in Physical Unit explosive environments may be hazardous and conventional safety precautions must prevail. -
Page 10: Electrical Installation
1. Once you have found a suitable mounting 7. Drill any additional holes as required for position for Gemini , hold the unit and routing all cables and fit holes with the unattached mounting bracket in the suitable grommets or bushings whenever proposed mounting position and check that required. - Page 11 The DC Power connector has: 6. Repeat the step above for connecting the red DC power lead. • At position “A”, the smaller red 7. Attach the positive lead at the battery switch-sense wire (commonly to ignition) positive terminal. Attach the negative wire •...
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Page 12: Antenna
Antenna The main transmitter antenna must be vehicle- ≥ ≥ ≥ ≥ 5/8λ λ λ λ mounted to provide a separation distance of 50 (UHF: 18"/46cm 800MHz: 9"/23cm cm or more from all persons and the antenna 900MHz: 8”/21cm) 50cm gain must not exceed 5dBi with a 1.6dB cable 19.7in. -
Page 13: Antenna Installation
2.5.3 Antenna Installation 2.6. Completing the physical Installation. 1. Route good quality 50-ohm coaxial cables (e.g. RG-223) from each of the selected To complete the physical installation and prior antenna positions to the position where the to testing Gemini Gemini unit is mounted. -
Page 14: Operating Description
3. Operating Description Front & Rear Panels The front panel includes: • One mini-UHF type female antenna connector for the auxiliary receiver • One SMA type female connector for the GPS receiver (not installed on Gemini Lite model) • Two LED indicators •... -
Page 15: Dte Port Interface
Table 1 - Gemini LEDs indications Gemini LEDs indications Power-on Sequence (LEDs are paired) Normal Operation (LEDs are independent) RX / TX Indication Indication RX / TX Indication Normal boot-up start Green* Normal ready state No network activity (10 to 27 sec.) Then 8 seconds to Amber 1 Pulse/sec. -
Page 16: Trouble-Shooting And Testing
4. Trouble-Shooting and Testing The checks described below should be done at annual intervals or whenever deterioration in performance is noted. Equipment Required • 13.8 VDC (nominal) car battery, or 13.8 VDC/20A regulated power supply (In the case the unit is not installed in a vehicle) •... - Page 17 Table 3 - Tests, Full Channel Units CHECKLIST A STEP ACTION MEASURE WITH IF NOT? EXPECTED RESULTS at 25° ° ° ° C Gemini units are set and characterized at the factory to optimize performances. It is not recommended to try to readjust the units. Power-up LED Sequence Table 1 - GeminiPD+ LEDs indications as per...
- Page 18 Table 4 - Tests, Special & Half Channel Units CHECKLIST B STEP ACTION MEASURE WITH IF NOT? EXPECTED RESULTS at 25° ° ° ° C Gemini units are set and characterized at the factory to optimize performances. It is not recommended to try to readjust the units. Power-up LED Sequence Table 1 - GeminiPD+ LEDs indications as per...
- Page 19 Look for Refer to section RF Data Link test Check on the WinRIS RSSI bar 4.3.2 and to Use the base station address graph if the base station is within “Delivery confirmed” on the range (i.e. better than -107dBm) or WinRIS Help function and “Send”...
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Page 20: Additional Test Details
Additional test details 4.3.1 GPS Test 4.3.2 RF Data Link Test About three minutes after ignition is turned-on, A link test between a mobile and a known base the PWR LED on the Gemini front panel station can be done using the WinRIS "Address" should flash in amber color at the rate of one and "Send"... -
Page 21: Specifications
5. Specifications GENERAL 800 MHz 900 MHz Frequency 403 - 460MHz TX 806 - 824 MHz, TX 896 - 902 MHz RX 851 - 869 MHz 450 - 512 MHz RX 935 - 941 MHz Channel spacing 12.5 or 25 kHz Frequency Control Digital Synthesizer / uController Frequency Stability... - Page 22 –TBD dBm at 48000 b/s full –TBD dBm at 48000 b/s –TBD dBm at 24000 b/s channel full channel half channel Protocol Dataradio Proprietary DBA with OOB AAVL support DISPLAY and CONTROLS 2 status LEDs RX/TX, PWR Environmental MIL. spec. Environment Categories MIL Spec.
- Page 23 Appendix 1 - "Officer Requires Assistance" alarm function The contents of this appendix are also available as Technical Instruction Sheet 009 (TIS009), document part number 122 20110-009 dated December 20, 2000. Overview The DTE Port Interface pin 9 (AUX) on DEV-2 is used for the “Officer Requires Assistance”...