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The entire contents of this manual and the Radio Installation Software
described in this manual are copyright 2002 by
Copyright
Inc.
DATARADIO
August, 2002
Part no.: 120 20120-101Preliminary
Gemini
Mobile Radiomodem
Installation Guide
Version 1.01
PRELIMINARY, For Internal Use Only
PD+
Inc.
DATARADIO
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Table of Contents
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Summary of Contents for Dataradio Gemini PD+
- Page 1 Mobile Radiomodem Installation Guide Version 1.01 PRELIMINARY, For Internal Use Only The entire contents of this manual and the Radio Installation Software described in this manual are copyright 2002 by Inc. DATARADIO Copyright Inc. DATARADIO August, 2002 Part no.: 120 20120-101Preliminary...
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Page 2: Table Of Contents
Table of Contents PRODUCT OVERVIEW ...........................5 1.1 I ............................5 NTENDED UDIENCE 1.2 G .............................5 ENERAL ESCRIPTION 1.2.1 Features ..............................5 1.2.2 Configuration............................6 1.3 F ........................6 ACTORY ECHNICAL UPPORT 1.4 P ............................6 RODUCT ARRANTY 1.5 R ............................6 EPLACEMENT ARTS 1.5.1 Factory Repair............................6 1.6 U ...............................6 NPACKING... - Page 3 3 - DC P ..........................10 IGURE OWER ONNECTOR 4 - A .............................11 IGURE NTENNA SPACING 5 - F ..........................13 IGURE RONT AND REAR PANELS 1 - G ........................14 ABLE EMINI S INDICATIONS 2 - RS-232 S ..........................14 ABLE IGNAL EVELS 3 - T ........................16 ABLE...
- Page 4 What's New in this version History Preliminary Version 1.01, August 2002 • Introduction of Gemini in 900 MHz frequency band. Updated the RF exposure- related paragraphs 2.2.1, 2.5, 2.5.2 Version 1.00, May 2002 • Introduction of Gemini running data rate up to 32kb/s 120 20120-101Preliminary Gemini Installation Guide...
- 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 fea- verification of the Gemini DATARADIO turing dual receivers for added decode sensitivity in multi-path and fading en- Intended Audience vironments. This document is designed for use by engi- •... -
Page 7: Configuration
This product is not field serviceable, except each customer network system requirements, by the replacement of a complete unit. Spe- usually by Dataradio System Engineering. cialized equipment and training is required Configuration is not changeable in the field to repair the GCU board and radio modules. -
Page 8: Installation
2. Installation doors and window columns that are con- venient to run cables and wires. Whenever possible, install conduit in which Planning the Installation to run the cables. 2.1.1 Overview Warnings To ensure trouble-free, efficient installation, start by inspecting the vehicle to determine Before starting installation, review all of the the optimum position for Gemini and its... -
Page 9: Explosive Environments
break loose in case of an accident or violent Outside filling connections shall be used maneuvers. for the LP-gas container. The LP-gas container space shall be vented 2.2.4 Explosive environments to the outside of the vehicle. Operation of vehicular radio transmitters in Physical Unit explosive environments may be hazardous and conventional safety precautions must... -
Page 10: Electrical Installation
1. Once you have found a suitable mount- 7. Drill any additional holes as required for ing position for Gemini , hold the unit routing all cables and fit holes with and the unattached mounting bracket in suitable grommets or bushings the proposed mounting position and whenever 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 igni- positive terminal. Attach the negative tion) wire at the vehicle end of the battery •...
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Page 12: Antenna
Antenna Refer to Paragraph 2.5 The main transmitter antenna must be vehi- ≥5/8λ cle-mounted to provide a separation distance (UHF: 18"/46cm 800MHz: 9"/23cm of 50 cm or more from all persons and the 900MHz: 8”/21cm) 50cm antenna gain must not exceed 5dB. 19.7in. -
Page 13: Antenna Installation
2.5.3 Antenna Installation 2.6. Completing the physical Installation. 1. Route good quality 50-ohm coaxial ca- bles (e.g. RG-223) from each of the se- To complete the physical installation and lected antenna positions to the position prior to testing Gemini where the 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 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 EXPECTED RESULTS at MEASURE WITH IF NOT? 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, NPSPAC & Half Channel Units CHECKLIST B STEP ACTION EXPECTED RESULTS at MEASURE WITH IF NOT? 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...
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Page 19: 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 20: Specifications
5. Specifications GENERAL 800 MHz 900 MHz Frequency 403 - 460MHz , 450 - 512 TX 806 - 824 MHz, RX 851 - TX 896 - 901 MHz, RX 869 MHz 935 - 941 MHz Channel spacing 12.5 or 25 kHz Frequency Control Digital Synthesizer / uController Frequency Stability... - Page 21 –107 dBm at 32000 b/s full –107 dBm at 32000 b/s channel full channel –112 dBm at 16000 b/s NPSPAC 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 22 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”...
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