iTrixx-LHM Server and Client Installation and Operation Manual

Overview

The iTrixx-LHM system is a long-range wireless monitoring and control solution designed for industrial, commercial, and infrastructure applications. It consists of one central server and up to 100 remote client devices.

The system enables reliable data collection and remote control over long distances using LoRa radio communications, even in environments where traditional wired or Wi-Fi connections are impractical.

iTrixx-LHM is intended for facilities that require continuous monitoring and centralized data access with minimal wiring and maintenance.

Key Capabilities

The iTrixx-LHM system allows users to:

• Monitor remote equipment status and meter readings
• Collect digital input signals (alarms, switches, sensors)
• Configure automated triggers and presets
• Store and export operational data
• Integrate with external systems via database or JSON API

All system management is performed through a secure web-based interface.

Communication Range and Environment

The iTrixx-LHM system uses LoRa (Long Range) radio technology, which is optimized for low-power, long-distance communication. This operates at 915MHz utilizing the ISM band for license-free usage throughout North America.

Actual communication range depends on environmental conditions.

Best Performance Conditions	Reduced Performance Conditions
Clear line-of-sight between devices	Thick walls
No metal, concrete, or earthen obstructions	Steel structures
Elevated antenna placement	Below grade placement
Outdoor or open-area deployment	Heavy machinery interference

Typical ranges may vary from several hundred meters in dense industrial environments to several miles in open areas.

System Architecture

The iTrixx-LHM system follows a centralized architecture:

• One server acts as the main controller and data hub
• Multiple clients communicate wirelessly with the server
• All data is stored locally on the server with the option to export to a database
• Users access the system through a web browser

This architecture provides:

• Centralized management
• Reduced wiring requirements
• Scalable deployment
• Easy expansion

System Components

Server

• Communications gateway and management server
• Web-based configuration interface
• Ethernet connectivity (PoE powered)

Client Devices

• Radio communication modules
• Digital inputs and meter interfaces
• 100-240VAC, 50/60Hz power input for iTrixx-LHM-C-AC
• 12-24VDC, typical current 10mA@12V for iTrixx-LHM-C-DC
• Indoor/outdoor enclosure

What’s in the Box

Server Package	Client Package
iTrixx-LHM-S	iTrixx-LHM-C-AC	iTrixx-LHM-C-DC
Antenna 915 MHz	Antenna 915 MHz	Antenna 915 MHz
RJ45 Cable	Power Cable	12 VDC Power Supply
	Digital Input Connector Cable (2)

Specifications

Specification	iTrixx-LHM-S (Server)	iTrixx-LHM-C (Client)
Wireless Technology	LoRa
Frequency	915 MHz	915 MHz ISM band (license-free in North America)
Supported Devices	Up to 100 clients (addresses 00–99)	Address selectable via rotary switches (00–99)
Range	Up to 3 km urban / 5+ km rural (line-of-sight)
Indoor Range	500 m to 1+ km depending on structure
Encryption	AES-128 secure communication
Antenna	Replaceable 915 MHz antenna
Power Input	PoE (IEEE 802.3at) via Ethernet	AC model: 110–120 VAC plug-in or 100–240 VAC hardwired, 50/60Hz DC model: 12/24 VDC hardwired, typical current: 10mA@12V
Network Interface	10/100/1000 Base-T Ethernet	—
IP Configuration	DHCP or Static IP	—
Hostname	Linortek-lhm	—
Web Interface	HTTPS web server (port 8443)	—
Dashboard	Browser-based configuration & monitoring	—
Database Export	PostgreSQL or MySQL	—
API Access	JSON endpoint for integrations	—
Data Logging	Automatic CSV generation	—
User Management	Multi-user with role-based access	—
Security	HTTPS encryption, password protection	AES-128 encrypted wireless
Inputs	—	2 × dry contact inputs for monitoring switch or relay closure signals
Indicator	—	Optional maintenance LED
Enclosure	Indoor server enclosure	Weatherproof NEMA-rated
Operating Temperature	Standard indoor environment	−20°C to +70°C (−4°F to +158°F)

Power Requirements

Server Power

• Powered via Power-over-Ethernet (PoE) – requires PoE+ (802.3at)
• If PoE is unavailable, use a PoE injector (not included)

Client Power

• iTrixx-LHM-C-AC: Plug-in 110-120VAC or hardwired 100-240 VAC 50/60Hz
• iTrixx-LHM-C-DC: Hardwired 12-24VDC 10mA@12V

Installation Guidelines

Server Installation

• Install indoors in a central location
• Mount as high as reasonably possible
• Keep antenna away from metal surfaces
• Maintain line-of-sight where possible
  • Acceptable (works but reduced range):
    • Light walls (drywall, wood)
    • Some furniture
    • Glass
  • Avoid when possible:
    • Thick concrete
    • Metal panels
    • Steel structures
    • Underground or below-grade placement
    • Large machinery between server and client(s)

Client Installation Important Notes

• Before installing the system, complete the configuration and confirm that communication between the server and client is functioning properly
• The Digital inputs are designed for dry contact closure signals only (such as relay contacts or switches). Do not apply external voltage to these inputs
  • Refer to Appendix 1 for Digital Input Wiring Schematic
• Mount near monitored equipment
  • Note: Mounting hardware is not provided with the device. Install the enclosure using hardware appropriate for the mounting surface.
• Place antenna away from metal
• Maintain line-of-sight to server (see 5.1 Server installation for more details)
• Suitable for indoor and outdoor use

iTrixx-LHM-C-AC Model Installation

The AC-powered client can be connected using either the provided power cable (110–120 VAC) or hardwired to a 100–240 VAC supply.

Wiring Procedure

• Route the power cable or supply wires through the cable gland labeled “Power” on the enclosure.
• Tighten the gland by screwing the cap to secure the cable and maintain enclosure sealing.
• To access the power supply terminals, remove the four screws securing the internal mounting plate. This allows easier access to the power supply wiring terminals.
• Connect the AC input wires to the power supply terminals:
  • L (Live)
  • N (Neutral)
  • G (Ground)

Provided Power Cable Wire Colors

Wire Color	Connection
Black	Live (L)
White	Neutral (N)
Green	Ground (G)

• Secure each wire by tightening the terminal screws.
• Reinstall the mounting plate using the four screws to secure the hardware inside the enclosure.
• Connect your equipment to the digital inputs using the provided Digital Input connector cable.
• Ensure all wiring connections are secure before powering the device.

iTrixx-LHM-C-DC Model Installation

The DC-powered client is supplied with a 6-conductor cable pre-installed through the enclosure cable gland.

Power Connections

Wire Color	Connection
Red	12-24 VDC
Black	Ground (GND)

Digital Input Connections

Wire Color	Connection
Green	DIN1 A
White	DIN1 C
Brown	DIN2 A
Blue	DIN2 C

Client Configuration

Configure its address

Steps:

• Power off the device
• Open enclosure using Phillips screwdriver
• Locate rotary switches:
  • S2 = First digit
  • S1 = Second digit
  • S4 = AES Key
• Set the desired two-digit ID
• Close enclosure
• Power on device

Example: S2=0, S1=1, The device ID is 01

Important Notes

• Each client must have a unique ID
• Duplicate IDs will cause communication conflicts
• Maintain an ID list
• Label each device enclosure

Server Configuration

Finding the Server IP Address

The server hostname is linortek-lhm

You can locate the IP address by:

• Router’s DHCP client list
• IP scanner
• Command Prompt/Powershell

Enter the following for Command Prompt or Powershell:

ping -4 linortek-lhm

Note: This command will work if your PC is on the same subnet as the device, or if the network allows communication between subnets.

Web Access

• Open browser
• Enter server IP address
• Accept security warning (self-signed certificate)
• Proceed to login page

First-Time Login

On first access, create an administrator account.

Password requirements:

• Minimum 8 characters
• One uppercase letter
• One lowercase letter
• One number
• One special character

After setup, log in using created credentials.

Main Page Overview

After logging in, the Main Page displays key system information, including:

• Server IP address
• Network port
• Current software version
• Number of pending commands

Once devices (clients) have been added, the system displays a list of connected clients below this information. From this list, you can:

• Modify device settings
• Send commands (refer to Configure the Client and Send Commands)
• Delete devices as needed

A JSON button is located in the upper-right corner of the page. Selecting this button opens the JSON data page, which provides raw device data for all registered clients.

JSON data becomes available after devices have been added to the system.

Adding Client Devices

On the Main Page:

• Click Add New Device
• Enter:
  • 2-digit Device ID (set on Client using rotary switches)
  • Nickname
  • Desired data options
• Click Add Device

The server will begin communicating automatically.

Data Page – View and Manage Data

Navigate to Data page

Features:

• Real-time readings
• Latest status per client (green – online; red – offline)
• Manual refresh
• Client commands

Refresh Device Data

The table refreshes automatically. Click Clear Data to clear the table until new data comes in

Configure the Client and Send Commands

Click the Command button associated with that device.

Available controls:

• Meter 1/2 control – Start and Stop the meter manually from UI
• HM1/HM2 Trigger modes – Select one of the available options to define how the meters are activated. If Ext. Power is selected while no battery is connected to the client device, the memory may become corrupted.
• Ext Power Deep Sleep – Select whether the device enters sleep mode or remains active when external power is not applied. This option is available only when an external battery is connected.
• Meter1/2 Presets – Enable Preset Meter and enter the desired value in hours, including hundredths. Do not use a decimal point. The last two digits will automatically be interpreted as the decimal portion. Example: Enter 3600 to set the meter to 36.00 hours
• INIT – Reset the device by enabling this option
• Broadcast to all devices – Enable this option to send the selected command to all connected clients simultaneously.
• Select desired options and click Send Command(s).

User Management

Navigate to Users page.

Add User

Click Add User

• Enter username
• Enter password
  • Minimum 8 characters; One uppercase letter; One lowercase letter; One number; One special character
• Confirm password
• Select Admin if applicable
• Click Add User

Modify User

• Click Modify
• Edit name, password, or role
• Click Modify User

Delete User

• Click Delete
• Confirm action

Important: An admin cannot delete or demote themselves.

User Permissions

Role	Access
Admin	Full system access
User	Main, Data, Users (own password), JSON

Important: Users cannot add or delete devices.

Network Settings

Navigate to Network Settings.

This section controls how the server connects to your local network.

Network Configuration

DHCP (Automatic IP) Check Use DHCP.Click Update Network.

Static IP (Manual Setup) Uncheck Use DHCP.Enter:IP AddressNetwork MaskDefault GatewayClick Update Network.

Note: Reconnect using the new IP after changes

NTP Server (Time Sync)

Keeps system time accurate.

• Enter NTP server (default: time.nist.gov).
• Click Update NTP.

Time zone

Sets local system time.

• Select your timezone.
• Click Update Timezone.

HTTPS Certificates

Manages secure web access.

• Certificate Mode – Select default or custom certificate
• Upload Certificates – Upload .crt and .key files (if provided by IT)
• Download Cert – Download current certificate
• Force Renew – Generate a new certificate

Click Update Cert Settings after changes.

Communications Page – Database export and Radio Polling

The Communications page is used to configure radio polling and automatic database data export.

The server supports automatic export to:

• PostgreSQL
• MySQL

Radio Polling

Radio polling controls how often the server communicates with client devices.

• Configure the polling mode and interval as required.
• Enable automatic polling if continuous monitoring is needed.
• Save the settings.

Recommendation: Use default polling values unless optimization is required.

Database Auto Export

This feature allows the server to automatically send data to an external database.

• Enable Database Auto Export.
• Select the database type (PostgreSQL or MySQL).
  • Enter:
  • Host IP
  • Port
  • Database name
  • Username
  • Password
• Save the settings

Software Updates

Navigate to Software Update.

Steps:

• Click Choose File
• Select .enc update file
• Click Apply Update
• Wait for system to reinitialize

Do not power off during update.

Audit Log – Activity Tracking

The Audit Log page records important system activities and user actions for security and troubleshooting purposes.

Recorded Events:

• User logins and logouts
• Password changes
• User account modifications
• Device additions and removals
• Configuration changes
• Software updates
• Command transmissions

Help Page

The Help page provides quick reference information, downloadable resources, and technical support details.

Quick Tips	Displays important reminders for system setup, operation, and maintenance
User Manual	Provides access to the complete installation and operation guide. Click Download PDF Manual to download the latest version
Certificate Update Script	Allows Windows users to automatically install security certificates. Download and run the script if required by your network administrator
Support	Displays official documentation links and technical support contact information

Reset iTrixx-LHM-S (Server) to Factory Settings

Verify Power

• Ensure the device is connected to PoE power.
• Locate the LED indicators on the right side of the enclosure.
• Confirm that both Red and Green LEDs are solid.

Open the Enclosure

• Remove the four Phillips screws securing the top lid.
• Carefully lift the lid to access the internal boards.

Locate the Push Buttons

• On the top board, locate the three push-button switches.
• The reset procedure uses:
  • Button 1 – Top
  • Button 2 – Middle

Start the Reset Process

• Press and hold Button 1 (top) for approximately 10 seconds.
• The Green LED will begin blinking twice per second.
• Once the blinking starts, release Button 1.

Confirm Reset

• Press Button 2 (middle) once. Do not hold the button.
• The Green LED will rapidly blink for about 5 seconds, then:
  • Blink twice per second for another 5 seconds, then
  • Return to solid Green.

Finish

• When the Green LED is solid again, the factory reset is complete.
• Secure the lid with the four screws.

Troubleshooting

Issue	Possible Cause	Solution
No data	Duplicate ID	Verify rotary switches
Offline client	No power, Weak signal, Wrong Key, Wrong ID	Ensure client is powered, Reposition antennas, Verify rotary switches, Verify AES Key configurations on the server
Cannot login	Wrong password	Reset via admin or reset to factory settings
No network connection	IP conflict	Check Network Settings

Support & Maintenance

• Keep Server’s firmware up to date
• Maintain ID documentation
• Inspect built in the server fan, clean with vacuum periodically
• Backup database regularly

Appendix 1: Wiring the Client