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Summary of Contents for Dataradio Gemini
- Page 1 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 Inc. DATARADIO Copyright Inc. DATARADIO March 2000 Part no.: 120 20110-110...
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Page 2: Table Of Contents
2.2.5 Installation in vehicles powered by liquefied gas................... 4 2.3 P ..............................4 HYSICAL 2.3.1 Recommended tools and supplies......................4 2.3.2 Physical mounting of Gemini ....................... 4 2.4 E ..........................5 LECTRICAL INSTALLATION 2.4.1 Electrical requirements ........................... 5 2.4.2 Routing of power cable ........................... - Page 3 1 - G ........................10 ABLE EMINI S INDICATIONS 2 - RS-232 S ..........................10 ABLE IGNAL EVELS 3 - C ..........................15 ABLE ARRIER ODULATION 4 - T & H ....................... 18 ABLE ESTS HANNEL NITS 120 20110-100 Gemini Installation Guide...
- Page 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. January 2000 Version 1.0: First released version 120 20110-100 Gemini Installation Guide...
- Page 5 Data Terminal Equipment. This designation defines the direction (input or out- put) of the various RS-232 interface signals. Most user equipment, as well as PCs, are wired as DTE. Gemini Control Unit board Gemini High specs mobile radiomodem. PD = Parallel decode Half Duplex.
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Page 6: Product Overview
Dataradio. 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 OEM GPS receiver. 120 20110-100... -
Page 7: Factory Technical Support
Technical Support. Product Warranty Warranty information may be obtained by Unpacking contacting your sales representative. When ready for installation, carefully un- pack your Gemini kit (p/n 023 6000-001) shipping carton and identify each item as listed below: • One Gemini •... -
Page 8: Installation
Docket, 79-144, March 13, 1985, has cabin. adopted a safety standard for the human ex- posure to radio frequency electromagnetic Be sure to place the Gemini unit in such a energy emitted by FCC-regulated equip- way that: ment. Only proper installation of the trans- •... -
Page 9: Secure Mounting
Start by running all the cables (DC power, posted at sites where dynamite is being PC RS-232 as well as all antennas cabling) used. prior to mounting Gemini to assure the If transporting blasting caps: feasibility of the planned cable routing. Be... -
Page 10: Electrical Installation
• 6. Securely mount Gemini to the in- After drilling, remove all stalled bracket using the four supplied metal shavings before installing 8x40 black machine screws. screws. • Do not overtighten self- 7. Drill any additional holes as required tapping screws. -
Page 11: Figure 3- Dc Power Connector
(Small red wire) • In installations equipped with a Figure 3- DC Power Connector “ChargeGuard”, connect to the 3. Place this connector at Gemini ’s radio controlled-side of the ChargeGuard power input location. Do not connect at (remembering that the DC Power this time. -
Page 12: Antenna
GPS – constraints are TX spacing and ference especially at higher fre- clear sky view. quencies. Max G(dB) vs distance to accomplish MPE limits 800 MHz 400 MHz(UHF) 11.8 15.7 19.7 23.6 27.6 31.5 35.4 39.4 distance to Tx antenna (cm/in) 120 20110-100 Gemini/PD Installation Guide... -
Page 13: Antenna Installation
It must To complete the physical installation and also be at least two feet distant from the prior to testing Gemini transceiver antenna but it may be close to the auxiliary RX antenna. •... -
Page 14: Operating Description
• One mini-UHF type female antenna connector for the main transceiver • One 3-pin pigtailed DC Power connector with ignition sense Gemini/PD ® PC/SETUP DEV-3 DEV-2 DEV-1 6.000" Figure 4 - Front and rear panels 120 20110-100 Gemini/PD Installation Guide... -
Page 15: Dte Port Interface
DCD – from Gemini , normally asserted 3.2.1 RS-232 Interface Signal Levels RXD – data from Gemini In the descriptions of data signals, the following TXD – data to Gemini conventions are used: DTR – to Gemini... -
Page 16: Ris Program
Gemini ’s RIS program is available on diskette, 2- Check that Gemini is ON. Dataradio p/n 085 03322-00n. Please refer to the readme.txt file included on the diskette for 3- To run the Radio Service Software (RIS): installation instructions. •... -
Page 17: Window
Other messages appear in dialog Do not make any changes to these files. Any window boxes or in warning windows. changes made to the configurations MUST be done at factory or by Dataradio system engineering. 120 20110-100 Gemini/PD Installation Guide... -
Page 18: Get" Button
“Get As” button. lier from a unit. 4.4.1.2 “Get As” button • It can also be from a Dataradio (factory On the button bar, press the “Get As” button to: or system engineering) diskette. • Establish linking 4- Select the appropriate file •... -
Page 19: Special Functions
On subsequent Get, Get As or Put From, this Gemini/PD's firmwares resides in flash EPROM field will require that the correct password be and are designed to allow field upgrades. entered. If none was entered, the field will re- When contacting your supplier, give the full main blank. -
Page 20: Test Functions
± 3.0 kHz The right column indication, labeled "II", shows Half Channel the auxiliary RX signal (front mini-UHF con- Network Speed Typical Deviation nector). Meter precision is usually better than 3 dBm. 9600 ± 2.5 kHz 120 20110-100 Gemini/PD Installation Guide... -
Page 21: Ping Button
Ping Button The Ping function checks connectivity by testing The program may display one of the following the ability of Gemini to communicate with the messages on the status bar: base station by sending a short transmission “Ping address is not in AMN or number format”... -
Page 22: Trouble-Shooting And Testing
1) Disconnect the GPS antenna cable connector Basic Tests from the Gemini radio and check for + 5 VDC on the center pin of the GPS antenna Recommended checks: connector on the radio using a Digital Volt- 1. -
Page 23: T & H C U
MEASURE IF NOT? at 25° ° ° ° C WITH 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 Table 1 - GeminiPD LEDs indications... -
Page 24: Specifications
-45 dB typical * Conducted spurious < -57 dBm * psophometrically weighted filter WARNING: The frequency band 406 to 406.1 MHz is reserved for use by distress beacons and should not be programmed into the unit. 120 20110-100 Gemini/PD Installation Guide... - Page 25 (for < 1% error) better than –112 dBm at 19200 b/s full channel, with P/D Protocol Dataradio Proprietary DISPLAY and CONTROLS 2 status LEDs RX/TX, PWR FCC / IC CERTIFICATIONS IC (DOC) EOTGPDA 773195525A 800 MHz PENDING 773195643A 120 20110-100 Gemini/PD Installation Guide...
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