ICPDAS LRA-900-E User manual

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：1
Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
User Manual
Version 1.0.1 Nov. 2019
LRA-900-E
(Ethernet to LoRa Radio Modem)

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：2
Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
Table of Contents
1. Introduction .........................................................................................................................5
1.1. VxComm Technology......................................................................................................6
1.2. Web Server Technology..................................................................................................7
2. Hardware Information.........................................................................................................8
2.1. Specifications..................................................................................................................8
2.2. Features..........................................................................................................................9
2.3. Appearance...................................................................................................................10
2.4. Dimensions...................................................................................................................12
3. Setting up the LRA-900-E Module....................................................................................13
4. Web Configuration............................................................................................................18
4.1. Logging in to the LRA-900-E Web Server.....................................................................18
4.2. Home Page...................................................................................................................20
4.3. RF Port Page................................................................................................................21
4.3.1. Port1 Settings.........................................................................................................21
4.4. Network Setting.............................................................................................................25
4.4.1. IPAddress Settings................................................................................................25
4.4.2. General Settings.....................................................................................................29
4.4.3. Restore Factory Defaults........................................................................................31
4.4.4. Remote Firmware Update ......................................................................................33
4.5. Filter Page.....................................................................................................................34
4.5.1. Accessible IP (filter is disabled when all zero)........................................................34
4.6. Monitor Page.................................................................................................................36
4.7. Change Password.........................................................................................................37
4.8. Logout Page..................................................................................................................38
5. CGI Configuration .............................................................................................................39
5.1. CGI URL Syntax............................................................................................................39
5.2. CGI Command List .......................................................................................................40
6. Typical Applications..........................................................................................................44

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：3
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6.1. Virtual COM Application................................................................................................45
6.2. Direct Socket Connection Applications .........................................................................46
Appendix A. Troubleshooting.................................................................................................49
A.1. How do I restore the web password for the module to the factory default password? ..49
Appendix B. Glossary..............................................................................................................51
1. ARP (Address Resolution Protocol)..............................................................................51
2. RARP (Reverse Address Resolution Protocol) .............................................................51
3. Clients and Servers.......................................................................................................52
4. Ethernet ........................................................................................................................52
5. Firmware.......................................................................................................................52
6. ICMP (Internet Control Message Protocol) ...................................................................52
7. Internet..........................................................................................................................52
8. IP (Internet Protocol) Address.......................................................................................53
9. Subnet Mask.................................................................................................................53
10. Gateway........................................................................................................................53
11. MAC (Media Access Control) Address..........................................................................53
12. Packet...........................................................................................................................53
13. Ping...............................................................................................................................54
14. Socket...........................................................................................................................54
15. TCP (Transmission Control Protocol)............................................................................54
16. TCP/IP ..........................................................................................................................54
17. UDP (User Datagram Protocol).....................................................................................54
Appendix C. Revision History.................................................................................................55

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：4
Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
Important Information
Warranty
All products manufactured by ICP DAS are under warranty regarding
defective materials for a period of one year, beginning from the date of
delivery to the original purchaser.
Warning
ICP DAS assumes no liability for any damage resulting from the use of this
product.ICP DAS reserves the right to change this manual at any time
without notice. The information furnished by ICP DAS is believed to be
accurate and reliable. However, no responsibility is assumed by ICP DAS
for its use, not for any infringements of patents or other rights of third parties
resulting from its use.
Copyright
Copyright @ 2018 by ICP DAS Co., Ltd. All rights are reserved.
Trademark
Names are used for identification purpose only and may be registered
trademarks of their respective companies.
Contact us
If you encounter any problems while operating this device, feel free to contact us
via mail at: servi[email protected]om.

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：5
Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
1. Introduction
The LRA-900-E is a Ethernet to
radio device designed for
remote communication operating in a transparent way and
exploiting the physical layer of LoRa (Long Range)
transmission technology.
By using the VxComm
Driver/Utility, the built-in RF port of the LRA-900-E can be
virtualized to a
standard PC COM Port in Windows.
Therefore, users can transparently access RF datas over the
Internet/Ethernet via COM Port program.
The LRA-900-E provides a maximum line of sight (LOS) transmission distance of 1500 meters at
an RF bit rate 10,000 bps. In order to overcome the interference that may be encountered in
harsh environments, the LRA-900-E allows the RF transmission bit rate to be configured to a
minimum of 250 bps, enhancing the capability of the modem to resist noise and other
interference. Additionally, the RF channels and Group IDs are adjustable, which is helpful to
avoid interference encountered when two LRA-900-E networks are adjacent. The RF channels
and the Group IDs can be configured in order to distinguish and control the different LRA-900-E
networks.

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：6
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1.1. VxComm Technology
In general, writing a TCP/IP program is more difficult than writing a COM Port program. Another
issue is that perhaps the existing the COM Port communication system was built many years ago
and is now outdated.
As a result, a new technology, VxComm was developed to virtualize the RF Port of the
LRA-900-E to become a COM Port on the PC and allow up to 256 COM Ports to be used on a
central computer. The VxComm driver saves time when accessing LRA-900-E devices through
the Ethernet without the need for reprogramming the COM Port software on the PC.

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：7
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1.2. Web Server Technology
Web server technology enables the LRA-900-E to be configured via a standard web browser
interface, e.g. Google Chrome, Internet Explorer, or Firefox, etc. This means that it is easy to
check the configuration of thet LRA-900-E via an Ethernet network without needing to install any
other software tools, thereby reducing the learning curve required for maintaining the device.

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：8
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2. Hardware Information
This chapter provides a detailed description of the front panel, the hardware specifications and
the dimensions for the LRA-900-E module.
2.1. Specifications
RF Interface
Radio Frequency
864~ 871.5MHz, 915~ 922.5MHz
(channel: 32, recommend using 868 +/- 4 MHz)
Baud Rate
10000 ~ 250 bps
Transmission Power 15 dBm (Max.)
Antenna
2 dBi Omnidirectional Antenna
Transmission Distance
up to 1500 m ( with 10,000 baud, in free field conditions )
Group ID
0~255
Protocols
Transparent transmit
Configuration
Web Server
Ethernet Interface
Ethernet 10/100 Base-TX, 8-pin RJ-45 x 1, (Auto-negotiating, Auto-MDI/MDIX,
LED indicator)
LED Indicators
Red/ Green/ Yellow
Power / RF TxD / RF RxD Status
EMS Protection
ESD
+/- 4 kV Contact
EFT
+/- 1 kV
Surge +/- 1 kV
Power
Power Input
+10 V
DC
~ +30 V
DC
Power Consumption
1.5 W (Max.)
Mechanical
Dimensions (W x L x H)
110 mm x 83 mm x 33 mm ( not include antenna )
Installation
DIN-Rail
Environment
Operating Temperature
-25 °C ~ +75 °C
Storage Temperature
-30 °C ~ +80 °C
Relative Humidity
10 ~ 90% RH, Non-condensing
Note: RF Port = TCP Port 10001

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：9
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2.2. Features
LoRa (Long Range) transmission technology
32 RF channels (Frequency band : 864~ 871.5MHz, 915~ 922.5MHz)
RF baud rates (10,000 ~ 250 bps)
Wireless line of sight (LOS) transmission range of up to 1500 meters at an RF baud rate
of 10,000 bps
Data transmission via Virtual COM or raw TCP connection
VxComm Driver for 32-bit and 64-bit Windows XP/2003/2008/Vista/7/8/10
Max. connections: 1 socket is suggested
Supports TCP server-mode operation
Supports UDP responder for device discovery (UDP Search)
Static IP or DHCP network configuration
Easy firmware update via the Ethernet (BOOTP, TFTP)
Tiny Web server for configuration (HTTP)
Contains a 32-bit MCU that efficiently handles network traffic
10/100 Base-TX Ethernet, RJ-45 x1 (Auto-negotiating, auto MDI/MDIX, LED Indicators)
3000 VDC isolation and +/- 4 kV ESD protection
RoHS compliant with no Halogen

LRA-900-E (Ethernet to LoRa Radio Modem) User Manual Version 1.0.1 Page：10
Copyright © 2018 ICP DAS Co., Ltd. All Rights Reserved E-mail: [e-mail]
2.3. Appearance
Front View 1. LED indicator
Once power is supplied to the LRA-900-E module,
the LED indicator will illuminate. An overview of
the LED functions is given below:
LED Behavior Description
PWR
On +10 ~ +30 VDC Power On
Off Power Off
Flash Module into Init mode
RF_Tx On RF is transmitting data
Off RF is no data to transmit
RF_Rx On RF is receiving data
Off RF is no data to receive
2. Device ID Switch
Device ID, 0x01 ~ 0xFE
NOTE:
Each module’s “Device ID” must be different from each other.
0x00 and 0xFF are reserved for future used, don’t set these
two values.
3. Operating Mode Switch
Init Mode: Configuration mode
Run Mode: Firmware operation mode
For LRA-900-E
module, the operating mode switch is set to the
Run
position by default. In order to update the firmware for the
LRA-900-E module, the switch must be moved from the Run
position to the Init position. The switch must
be returned to the
Run position after the update is complete.