background image

925U-2 wireless mesh networking I/O and gateway 

installation guide

Statutory requirements

FCC: This device complies with Part 15.247 of the FCC Rules. Operation is 

subject to the following two conditions:

• 

This device may not cause harmful interference.

• 

This device must accept any interference received, including interference 

that may cause undesired operation.

FCC: Unlicensed operation limits the radio power. High gain aerials may only 

be used to compensate for cable losses.

WARNING - EXPLOSION HAZARD

Do not disconnect the device while the circuit is live unless the area is 

known to be non-hazardous.

NOTE

The 925U-2 module ships from the factory as a bridged meshing radio. If 

communication with the older legacy 915U-2’s is required, radio’s operating 

mode can be changed with firmware.

Antenna installation

Use Figure 1 as a guide for installing an antenna and attaching it to the module.

Figure 1. Antenna installation

Earth Stake

For maximum

range, install 

above local 

obstruc�ons.

Earth Conductor

at least 5 AWG

(16 mm2)

*

Wavelength: 13" (33 cm)

Weatherproof

Connections 

(recommended: 

3M™ 23 self-

bonding tape)

 

Mast

Coaxial Cable

GND

at least 11 AWG (4 mm2)

Stress 

Relief

Loop

Antenna

*

GND

Surge Arrestor

(recommended)

925U-2

Provide good ground

connection to mast, 

module, and surge 

arrestor.

  

If ground conditions 

are poor, use more 

than one stake.

1 Wavelength

(minimum)

 

Connecting to the module for configuration

• 

Download and install configuration application “CConfig” from ELPRO 

website www.elpro.com.au

• 

Connect to PC using supplied USB cable

• 

Connect to the device at 192.168.111.1

• 

The PC will be automatically assigned an IP address via DHCP

 

Username:

 user

Password:

 user

Install Guide 

925U-2

Effective Sept 2022

Отзывы: