TRIMBLE EUROPE 206211 U LINK TRx User Manual
TRIMBLE NANTES S.A.S. U LINK TRx Users Manual
Users Manual
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| Document ID | 1173229 |
| Application ID | ZlBxZvQrpC4nFF7UBu+1Hg== |
| Document Description | Users Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
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| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 11.63kB (145405 bits) |
| Date Submitted | 2009-09-22 00:00:00 |
| Date Available | 2009-09-22 00:00:00 |
| Creation Date | 2009-03-19 23:05:49 |
| Producing Software | Acrobat Distiller 8.0.0 (Windows) |
| Document Lastmod | 2009-03-19 23:05:49 |
| Document Title | Microsoft Word - U-Link TRx - user guide - 09-03-V1.0.doc |
| Document Creator | PScript5.dll Version 5.2.2 |
| Document Author: | PSN |
PRELIMINARY U-Link TRx Radio DATA MODEM User Guide No part of this document may be reproduced or transmitted (in electronic or paper version, photocopy) without MAGELLAN consent. This document is subject to change without notice. All trademarks mentioned in this guide are the property of their respective owner. MAGELLAN Zac de la FLEURIAYE - BP60 433 44474 CARQUEFOU Ref. 09-03-V1.0 U-Link TRx User Guide Table of Contents Table of Contents ..................................................................................................................................................... 1 About this document ................................................................................................................................................ 1 Compliance to FCC US/CANADA ............................................................................................................................... 2 Overview .................................................................................................................................................................. 2 Product Power supply .............................................................................................................................................. 2 Serial link wiring ...................................................................................................................................................... 3 RS232 wiring RS422 wiring .............................................................................................................. 3 RF Modes .................................................................................................................................................................. 3 Framing Modes ......................................................................................................................................................... 4 Transparent Mode .................................................................................................................................... 4 DSNP Mode.............................................................................................................................................. 4 Operating modes ...................................................................................................................................................... 5 Command mode ....................................................................................................................................... 5 Normal mode ........................................................................................................................................... 5 AT commands ........................................................................................................................................................... 6 General commands................................................................................................................................... 6 Registers description ................................................................................................................................ 6 Electrical Specifications ........................................................................................................................................... 7 About this document This guide describes the U-Link TRx devices, their options and accessories. Ref. 09-03-V1.0 p1 U-Link TRx User Guide Compliance to FCC US/CANADA This equipment has been tested and found to comply with the limits of Part 90 of the FCC Rules and CNR 119 for CANADA. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures : -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY MAGELLAN COULD VOID THE USER’S AUTHORITY TO OPERATE THE EQUIPMENT. RF Exposure Warning: During operation, the user may keep a minimum separation distance of 1 meter with the RF devices. Overview The modem is the new MAGELLAN UHF Radio Link working in the 450-470MHz frequency range. This equipment converts data from a serial link into a radio frame to be sent to a similar piece of equipment. The operating parameters of these modems (serial link, radio management…) can be updated through commands on the serial link. The products are available in a metallic IP65 case with an external antenna. Product Power supply To perform wiring of these products, the bottom part of the housing has to be opened by unscrewing the four stainless steel screws on radiator/antenna side. The U-Link TRx must be supplied from a DC voltage source. The input DC power voltage range is 9V up to 28V, and the total power consumption is less than 1.5A under 12V at full RF power with an antenna connected on the RF port output. Ref. 09-03-V1.0 p2 U-Link TRx User Guide This input is protected against reverse polarity, and short transient voltage by a Transil protection. ON ON TX-RX + DC Supply -. A light continuously on when the transceiver is powered on. The color of this light is changed according to the selected serial link mode (RS232 Æ Green, or RS422 Æ Red). Corresponding marking of the light shall indicate “ON Serial link wiring U- link Trx proposes 2 types of serial link : RS232 and RS422. No hardware flow control is used. RS232 wiring RS422 wiring ON ON power Power ground ON RS232 Rx Data power Power ground TX-RX ON Signal ground Switch 2 low (“OFF”) to select RS232 mode RS232 Tx Data TX-RX Switch 2 high (“ON”) to select RS422 mode RS422 TX+ RS422 TX- Signal ground RS422 RX+ RF Modes RS422 RX- Two RF modes are identified : • A UHF transmit only function. This transmitter is used with a Global Navigation Satellite System (GNSS) base station and broadcast GNSS differential message around the area of the base. The transmitter is available with different output power( 0.5W, 2W, and 4W). The UHF transmitter is controlled and monitored by the connected GNSS unit through remote control commands. • A UHF relay with receive and transmit functions. This transceiver is able to receive GNSS differential message from a base, and re-broadcast these data at the same frequency in order to increase the range of the radio link between a GNSS base and a rover. This transceiver is intended to be used as an autonomous device and can be controlled and monitored by software, run on PC. Switch 1 allows the selection of the mode according the following schemes : ON ON RELAY mode ON TRANSMIT mode TX-RX Switch1 low (“OF F”) Sw itch 1 high (“ON”) Ref. 09-03-V1.0 p3 ON TX-RX U-Link TRx User Guide A dual color light indicates the stae of the U-Link TRX : • Green when the data are received, and red when data are transmitted. Green light indicating data reception, shall represent the activity on the serial link of the receiver, and the red light indicating data emission, shall represent RF activity at the output of the transmitter. • Given that data are transmitted in a burst mode (every second), as a result the light shall flash at 1 second periodicity or more if repeater mode is activated (2 seconds). Corresponding marking of the light shall indicate “TX-RX”. ON ON ON T X-RX Green light indic at ing dat a reception ON T X-RX Red light indic at ing dat a emission Framing Modes U-Link TRx proposes two modes of transmission described below. Transparent Mode In transparent mode, data transmitted on serial link are “rough” data without frame coding. DSNP Mode Data sent to the serial link must be the following: Synchronization block Message Checksum Type Start of text Type of message ASCII Character STX Content Length 1 char “C”,”P”,”R”,”T”,”X” char 1 char Address Station number in BCD 1 char Length of message Length of the message 1 or 2 char(s) Cadence Checksum Periodicity of the message in seconds Content of the message Sum of all the bytes of the message 1 char N char 2 char End of text ASCII Character ETX 1 char For RTCM (type R) messages, the synchronization block and checksum is not transmitted to the GPS rover. Only the RTCM message (content of the message) is sent to the GPS rover. Ref. 09-03-V1.0 p4 U-Link TRx User Guide Operating modes Two operating modes are available: 1- Command mode (usage of AT commands) 2- Normal mode (Serial data are transmitted on radio link) At power up the UHF radio device is in normal mode: it is able to send or receive data to or from the radio link according to its current parameter configuration. Command mode The command mode is used to read and update the UHF radio configuration registers using AT command. In command mode the UHF receiver or transmitter is inhibited (Rx and Tx), excepted when using test command. Entering command mode: issues on the serial link a +++ sequence. The sequence of three consecutive + characters is accepted only if no character have been sent before and after the +++ sequence. Register S214 defines the silence duration. S214 duration S214 duration Transceiver mode Command mode Exiting command mode (return into normal mode): send the serial command ATONormal mode At power on the UHF transceiver is in normal mode, and is ready for receiving data or transmitting data. Ref. 09-03-V1.0 p5 U-Link TRx User Guide AT commands The list of AT commands supported by the UHF radio is : General commands Commands ATO +++ ATSn ? ATSn=m AT&W AT/S AT/V ATR ATT1 ATT2 ATT3 Description Operating mode selection Return into normal mode Command mode activation Registers management Displays the Sn register content where n represents the register number. The response has the following format: Sn=y Set the register value with ‘m’. n represents the register number. Saves the new register configuration in EEPROM. Each time you switch on the modem, the EEPROM configuration will be loaded in the modem registers Displays all register values. The response has the following format: Sxxx=y for each register. The command ends with a double sequence. Software version display. The response has the following format: “TRx Magellan : Narrow band 450-470MHz 12.5kHz UHF transceiver Vxx.yy ” Restore the register default values. Note that S235 is not restored by ATR. Test modes Pure carrier () transmission using current channel. The output of this mode is achieved by reception of any character on the serial link. Modulation using current channel. Modulation (55)hex data. The output of this mode is achieved by reception of any character on the serial link. Modulation using current channel. Modulation with 512 bits pseudo random data (DM2), allowing BER evaluation. The output of this mode is achieved by reception of any character on the serial link. Registers description Type Register R/W R/W S200 S201 R/W S204 R/W S217 R/W S231 R/W S250 Ref. 09-03-V1.0 Function Description Radio management Set channel table Select radio channel from the table: From 0 up to 15 Preamble duration Preamble duration unit in ms: From 10 to 100 Serial Time out for Serial timeout before starting radio radio transmission, unit ms. From 3 up to 240 RF out level Adjust the RF output level 0Æ 500mW (27dBm) 1Æ 2W (33dBm) 2 Æ 4W (36dBm) Receiver Frequency Indicates the bandwidth adjustment of BW the helical receiver filters. Format is 460.0125 Channel table Channel number p6 Default Value 10 40 000.00 00 Note U-Link TRx User Guide R/W S251 Over the air format R/W S252 CSMA mode R/W S253 CSMA mode RSSI threshold R/W S254 RF link speed R/W S255 Squelch R/W R/W R/W R/W 0 Æ transparent mode 1 Æ DSNP mode 0 Æ Disable CSMA mode 1 Æ Enable CSMA mode Check if channel is free with RSSI before transmitting. Response is “OK” if channel is free, and “KO” if channel is busy. S253=-xxxdBm with xxx decimal value. The RSSI range is –130dBm to –70dBm 0 Æ 4800 bps 1Æ 7680 bps 2 Æ 9600 bps 0 Æ High ( as low as possible) 1 Æ Medium (about -114dBm) 2 Æ Low ( -60dBm TBC) -70 Serial link management The serial link configuration is 38400 bits/s, 8 data bits, no parity, 1 stop bit. S214 Command time out Time out duration for detecting the +++ 100 pattern, unit in ms. From 3 up to 240ms Miscellaneous S233 Transmited Call S233=NZI206211 NZI206211 Sign (FCC ID + product reference) S234 Call sign activation 0 Æ disabled 1 Æ enabled When enabled, transmit to the air the FCC ID by using international Morse code, with a carrier at 1200Hz for short or long. The Morse code data rate shall be between 20 and 25 words per minute. S235 Serial Number The serial number is made up of 11 00000000 digits: yyyywwnnn. 000 Where : yyyy : year ww : week in the year nnn : number in the week R/W S236 Date of the last configuration R/W S237 Owner 8 digits: yyyymmdd Where: yyyy : year mm: month dd: day 10 characters max 00000000 Blank Note 1: Only specified for US version. It’s mandatory to fix ATS254=2 (datarate = 9600bps) when using the equipment in US. Electrical Specifications Ref. 09-03-V1.0 p7 U-Link TRx User Guide Frequency Range Channel Spacing The frequency range is 450MHz up to 470MHz. Input RF filters bandwidth is the central frequency adjusted in factory +/- 3MHz. The channel spacing is 12.5 kHz. Modulation The transceiver is able to process GMSK BT=0.5 modulation with raw data throughput of 9600 bits/s. Transmitter output power The RF output power on 50ohms load is software selectable between: 0.5W (27dBm), 2W (33dBm), and 4W (36dBm). Receiver RF sensitivity RF Connector Antenna Temperature range Regulatory Ref. 09-03-V1.0 The digital sensitivity is typically –110 dBm at 10 –5 BER. The RF connector is a 50 ohms standard TNC female connector. The product will be used with the PROCOM ANTENNA FSP70/460-FME . From -30°C to +55°C Compliant with FCC CFR47 part 90 p8
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