TERSUS RS460 User manual
User Manual
Version V1.0-2019704
User Manual
For Tersus RS460 Radio
2W Wireless Data Transceiver
©2019 Tersus GNSS Inc. All rights reserved.
Sales & Technical Support:
More details, please visit www.tersus-gnss.com
User Manual for Tersus RS460 Radio v1.0
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Table of Content
Table of Content.......................................................................................................................1
List of Figures........................................................................................................................... 2
List of Tables............................................................................................................................ 2
Revision History....................................................................................................................... 3
1. Introduction................................................................................................................4
1.1 Overview.............................................................................................................4
1.2 Specification.......................................................................................................5
1.3 Accessories........................................................................................................7
2. General Operation....................................................................................................9
2.1 Basic Operation.................................................................................................9
2.2 Software Configuration.................................................................................. 12
2.3 Firmware Upgrade..........................................................................................15
2.4 Installation Tips............................................................................................... 16
3. Terminology.............................................................................................................18
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List of Figures
Figure 1.1 2W Radio RS460..............................................................................4
Figure 1.2 Serial Interface RS232.................................................................... 6
Figure 1.3 2W/460MHz radio antenna.............................................................7
Figure 1.4 Serial-5pin to DC JACK and DB9 male cable..............................7
Figure 1.5 DC JACK male with two wires........................................................8
Figure 1.6 DB9 Female to USB Type A Male converter cable..................... 8
Figure 2.1 Front Panel of the Radio................................................................. 9
Figure 2.2 Hardware connection for software configuration...................... 12
Figure 2.3 TersusRadio Config Tool............................................................... 13
Figure 2.4 Setting Transmode.........................................................................14
Figure 2.5 Firmware upgrade interface......................................................... 15
Figure 2.6 Update successful interface......................................................... 16
List of Tables
Table 1 Specifications of 2W Radio RS460.................................................... 5
Table 2 Definition for each button..................................................................... 9
Table 3 LED Definition...................................................................................... 11
Table 4 Devices in Figure 2.2..........................................................................12
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Revision History
Version
Revision Date
Change summary
1.0
20190704
Initial Release
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1. Introduction
This chapter mainly introduces the overview and specification of the Tersus
2W Radio RS460.
1.1 Overview
The Tersus 2W radio RS460 is a radio solution for both the base and the rover.
It provides reliable data communications for mission-critical applications where
a combination of stability, superior performance and long distance are
required.
The RS460 is a lightweight, ruggedized UHF receiver designed for digital radio
communications between 457 MHz and 467 MHz in 25 kHz channels, which
can be used widely in GNSS/RTK surveying and precise positioning system
applications. The RS460 is equipped with a LED display and a keypad which is
used for checking the operating status, changing the operating channel, and
transmitting power level. It is easy to operate.
Figure 1.1 2W Radio RS460
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1.2 Specification
Table 1 Specifications of 2W Radio RS460
Communication Interface
Interface
9.6kbps in the air
RS-232, baud rate 38400
Voltage and Power
Input voltage
DC 5 – 12V
Power consumption in transmitting
6.5W (DC 12V, transmitting power 2W)
4W (DC 12V, transmitting power 1W)
Power consumption in receiving
<400mW (DC 5V)
External Antenna
Impedance
50 ohm
VSMR
≤ 1.5
Interface
TNC female
Modulation & Demodulation
Modulation
GMSK
Data rate in air
9600bps @ 25KHz
RF sensitivity
Better than 13dB @ -119dBm
Decode sensitivity
-116 dBm BER 10E-5＠9600bps
Protocol
Transparent EOT, TT450S and Tersus
RF Specification
Frequency range
10MHz (457MHz – 467MHz)
Channel width
25KHz
Frequency stability
±1.5 ppm(25C)
Channel number
10 configurable channels
Adjacent channel selectivity
60dB
Transmission power
High power (2W)
33.5 0.5dBm @ DC5.5V
Low power (1W)
30.0 0.5dBm @ DC5.5V
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Environment
Temperature
-30C - +60C (operating)
-40C - +85C (storage)
Mechanical
Dimension
107 * 62 * 26.6mm
Weight
213g
The serial interface provides power and data communication function for radio
equipment.
Figure 1.2 Serial Interface RS232
Interface Type: RS232
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Each PIN is defined as follows:
Pin 1: Ground
Pin 2: Ground
Pin 3: Power
Pin 4: RXD
Pin 5: TXD
1.3 Accessories
The accessories of 2W Radio RS460 are listed below.
The 2W/460MHz radio antenna is to be installed on 2W/460MHz radio to
transmit and receive radio signal.
Figure 1.3 2W/460MHz radio antenna
Figure 1.4 Serial-5pin to DC JACK and DB9 male cable
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Figure 1.5 DC JACK male with two wires
Figure 1.6 DB9 Female to USB Type A Male converter cable
Note: The Serial-5pin to DC JACK and DB9 male cable, DC JACK male
with two wires and DB9 Female to USB Type A Male converter cable are
optional to purchase, they are not included in the package if there is no
requirement from customer.
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2. General Operation
Install the radio antenna before switching the radio
transceiver to transmit mode, or the radio transceiver will be
damaged.
2.1 Basic Operation
Figure 2.1 Front Panel of the Radio
Table 2 Definition for each button
Serial No.
Definition
1
Channel switching button
2
Power switching button
3
Protocol switching button
4
Current channel display
5
Power indicator (H/L)
6
Transceiver mode indicator
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7
Protocol indicator
8
Power Supply Indicator
The basic operations include:
1) Boot up
The radio module is boot up directly when powered on.
2) Channel switching
Press the channel switching button once, the channel is increased by one; the
LED displays the current channel value; the channel display is 0 to 9, and the
default is 0.
3) Power switching
Press the power switching button once, the power is switched once; the power
indicator is steady red to indicate high power 2W, and indicator is steady green
to indicate low power 1W, and the default is high power.
4) Protocol switching
Press the protocol switching button once, the protocol is switched once; TP
represents Transparent, TT represents TT450S, TS represents the custom
protocol TERSUS; the default is TP.
5) Transceiver mode switching
Simultaneously press and hold the channel switching button and power
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switching button for 1 second to switch the transceiver mode; T is steady red
for transmit mode, and red light is flashing for transmitting data; R is steady
green for receive mode, and green light is flashing for receiving data; the
default is the receive mode.
6) Restore default configuration
Simultaneously press and hold the power switching button and protocol
switching button for 1 second to recover to the default configuration.
The LED definition is shown in the table below.
Table 3 LED Definition
LED
Description
H/L
RED: 2W output is selected,
GREEN: 1W output is selected.
T/R
Blink RED: data is transmitting.
Blink GREEN: data is receiving.
TP/TT/TS
GREEN: Transparent protocol is selected.
RED: TT450S protocol is selected.
GREEN&RED: Tersus protocol is selected.
ON
It is solid on after the power is on.
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2.2 Software Configuration
The detailed steps of software configuration are as follows:
1) Hardware connection
Use the accessary cables listed in section 1.3 to connect the radio to the
computer following the connection in the figure below. Power on the radio
using 5V or 12V external power supply.
Figure 2.2 Hardware connection for software configuration
Table 4 Devices in Figure 2.2
No.
Device Name
1
Serial-5pin to DC JACK and DB9 male cable
2
DB9 Female to USB Type A Male converter cable
3
DC JACK male with two wires
4
2W Radio RS460
5
2W/460MHz radio antenna
6
Computer(Desktop/Laptop)
2) Radio Config Tool
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Open the radio configuration software ‘TersusRadio Config Tool’ obtained from
Tersus support. Ensure the port is selected correctly, then click [Connect].
Figure 2.3 TersusRadio Config Tool
3) Read
After the connection is successful, click the [Read] button to read all the
configuration information.
4) Write
After the connection is successful, click the [Write] button to write all the
configuration information. (Note: SN, PN, and firmware versions are read-only
and cannot be written. Other parameters can be configured according to
customer needs).
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5) Frequency Setting
The input frequency value should be between 457 MHz and 467 MHz with a
step value of 25 KHz. Click the [Default] button to set all frequencies to the
default values.
6) Transmode Setting
If the box before [Reset to receive when reboot] is checked, the radio will be in
the receiving mode after it is rebooted. Uncheck it, the radio will be in the
transmit mode after it is rebooted. Remember to click [Write] to make this
configuration effective.
Figure 2.4 Setting Transmode
Note: Transmode Setting function is only available for the firmware
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version V1.3.6 or later. Please upgrade radio firmware to use this
function.
2.3 Firmware Upgrade
Use the accessary cables listed in section 1.3 to connect the radio to the
computer following the connection in the figure below. Power on the radio
using 5V or 12V external power supply.
Open the upgrade software ‘TersusRadioUpdate’ obtained from Tersus
Support, select the corresponding port and firmware file, click [Next] and wait
for the update to complete according to the progress bar.
Figure 2.5 Firmware upgrade interface
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Figure 2.6 Update successful interface
2.4 Installation Tips
2.4.1 Radio installation
As a transmission, the radio is hooked on a tripod; as a rover station, the radio
is installed in the rover station bracket.
(1) Large amount of heat would be generated when the radio is in
transmission. When the radio is working, please do not place the radio in poor
ventilated box, wrap or cover any item on the surface of the radio.
(2) In an environment with a high temperature of more than 40 °C or
intense sunlight, the surface of the radio would be hot when it is transmitting at
high power. It may cause scald if the surface of the machine is touched directly.
Please pay special attention.
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2.4.2 Antenna installation
Whether the antenna is properly installed and erected would seriously affect
the transmission distance of the radio, hence the correct connection and
installation of the antenna is of high importance.
(1) It is strictly forbidden to use a damaged antenna. The output
impedance of the antenna interface of this radio is 50 ohms. Please use
antennas and feeders with input impedance of 50±2 ohms and VSWR less
than 1.5. Using an antenna that is not strictly matched with this radio would
result in a shortened transmission distance for the radio, and it is possible to
damage the radio if the mismatch is particularly serious.
(2) The original antenna of this radio is strictly matched with this radio, and
the performance meets the requirements of this radio. The original antenna of
this radio would better play the performance of this radio.
(3) Under normal circumstances, the height of the antenna installed from
the ground would significantly increase the transmission distance and improve
the transmission effect.
(4) Carefully check the connection of the antenna, feeder, connector and
the components of the radio to ensure well contact and reliable connection
between the antenna and the connector of the radio.
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3. Terminology
DC
Direct Current
GNSS
Global Navigation Satellite System
GPS
Global Positioning System
LED
Light Emitting Diode
SIM
Subscriber Identification Module
USB
Universal Serial BUS
VSWR
Voltage Standing Wave Ratio
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Proprietary Notice
All Information in this document is subject to change without notice and does
not reflect the commitment on Tersus GNSS Inc. No part of this manual may be
reproduced or transmitted by all means without authorization of Tersus GNSS
Inc. The software described in this document must be used in terms of the
agreement. Any modification without permission from Tersus GNSS Inc. is not
allowed.
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