WTE MReX-5B Bedienungsanleitung

MReX-5B Transmitter User Manual v2.07 Firmware

MReX-5B

MESSAGING TRANSMITTER

User Manual

MReX-5B Transmitter User Manual v2.07 Firmware
Table of Contents
Introduction.....................................................3
MReX-5B Features................................3
MReX Versions......................................3
Safety Information...........................................4
Operation.........................................................8
DMR Messaging..............................................9
Configuration.................................................10
Transmit Commands.................................12
*TX_FREQ..........................................12
*TX_MODE.........................................12
*TX_PREAMBLE...............................12
*TX_PWR............................................13
Base Commands.......................................14
*REBOOT............................................14
*CONFIG.............................................14
*SAVE..................................................14
*LIST...................................................14
*DEFAULTS........................................14
*VER....................................................15
Input Commands.......................................16
*IN_CONFIG_L..................................16
*IN_MSG_L........................................16
WT Protocol..............................................17
Support for Multiple Messages............18
DMR Message Format.........................20
Input Handling...............................................21
Hardware and Configuration.........................23
Battery Installation....................................24
Loading Configuration..............................25
Firmware Upgrading.....................................27
Firmware Upgrade Utility.........................27
Firmware Upgrade Process.......................28
Disclaimer......................................................29
Manufacturing marking and labels................30
Maintenance..................................................30
Product End Of Life......................................31
Product Warranty...........................................32
Specification..................................................33
© WTE Limited  2020 – Christchurch New Zealand  Page 2 of 35

MReX-5B Transmitter User Manual v2.07 Firmware

Introduction

Thank you for choosing the MReX-5B.

The MReX-5B is a portable 5 button messaging and control transceiver. The MReX-5B incorpor-

ates the MReX-460 telemetry module.

MReX-5B Features

•Sends 512 1200 and 2400 baud POCSAG paging messages.

•Transmits DMR Tier 1 text messages (optional).

•Configured inputs can be programmed to send messages when triggered.

•Firmware upgradable.

•High stability oscillator ensuring minimal drift over the entire specified temperature range.

•Output power up 100mW.

•“Polite” operation checking the channel is clear before transmission.

•Operates from 2 AA batteries.

•Approved for use as a mobile or base station transmitter.

•Approved for use at rates up to 9600 bps for fast telemetry control.

•Approved for use with any antenna - allows the user to choose between size performance or

elevated external antennas.

•Transmit LED and sounder.

MReX Versions

The MReX can be supplied as these variants:

•MReX-460 (421MHz to 480MHz) Telemetry and Messaging Module.

•MReX-460-SF Store and Forward Repeater with IO.

•MReX-460-5IO Telemetry and messaging Transceiver.

•MReX-460-5B 5 Button Handheld Messaging Transmitter.

MReX-5B Transmitter User Manual v2.07 Firmware

Safety Information

Read these instructions carefully and look at the equipment to become familiar with the device be-

fore trying to install operate or maintain it.

The following special messages may appear throughout this documentation or on the equipment to

warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.

!This is the safety alert symbol. It is used to alert you to a potential personal injury

hazards. Obey all safety messages that follow this symbol to avoid possible injury

or death.

!WARNING

WARNING indicates a hazardous situation which if not avoided could result in death or serious injury.

!CAUTION

CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury

NOTICE

NOTICE is used to address practices not related to physical injury.

MReX-5B Transmitter User Manual v2.07 Firmware

!WARNING

LOSS OF CONTROL

•The designer of any control scheme must consider the potential failure modes of control paths and

for certain critical control functions provide a means to achieve a safe state during and after a path

failure. Examples of critical control functions are emergency stop and over travel stop.

•Separate or redundant control paths must be provided for critical control functions.

•System control paths may include communication links. Consideration must be given to the implic-

ations of anticipated transmission delays or failures of the link.

Failure to follo these instructions can result in death or serious injury

!WARNING

To comply with both FCC RF Exposure requirements in section 1.1310 of the FCC Rules and

EN50383 antennas used with this device must be installed to provide a separation distance of at

least 8 cm from all persons to satisfy RF exposure compliance.

DO NOT:

•Operate the transmitter when someone is within 8cm of the antenna. EN50383 regulatory

limits have deemed that 8cm is a safe clearance distance from this product while operating

at full power.

•Operate the transmitter unless all RF connectors are secure and any open connectors are

properly terminated.

•Use within 15cm of sensitive electronic devices and medical equipment while operating at

full power.

•Operate the equipment near electrical blasting caps or in an explosive atmosphere. All

equipment must be properly grounded for safe operations.

!WARNING

THIS EQUIPMENT IS NOT INTENDED FOR MAINS VOLTAGES

•The MReX was NOT designed to operate and/or be connected directly to live main voltages. The

MReX must be connected to a certified suitably rated low voltage DC supply.

Failure to follo these instructions can result in death or serious injury

MReX-5B Transmitter User Manual v2.07 Firmware

NOTICE

HAZARD OF EQUIPMENT DAMAGE

•This product is not chemical resistant detergent alcohol aerosol sprays and/or petroleum products may

damage the front panel. Clean using a soft cloth moistened in water.

•The radio can be damaged if there is any potential difference between the chassis-ground Serial

signal ground power (-) input or antenna coaxial shield. Before connecting any wiring ensure

that all components are earthed to a common ground point.

•The antenna port will be damaged if signals greater than 13 dBm are injected/received.

•Do not connect any other transmitter to the RF connector or share the antenna with any other

device.

•Extreme Heat or High temperatures can damage MReX components. DO NOT expose or oper-

ate the unit in extreme heat (above 70 degrees Celsius) or leave in direct sunlight or any other

UV source.

•Although this product is designed to be rugged it will not survive excessive shock or vibration

abuse.

•The MReX IP rating is IP-51. This product is not waterproof or dustproof. DO NOT directly

expose to rain or use in a condensation forming environment.

•When antennas are co-located on a community (shared) site the correct site engineering must be

performed to ensure that RF exposure limits are met.

NOTICE

CARE REQUIRED WHEN TRANSPORTING

Safety and care must be taken when transporting handling installing and/or replacing radio equip-

ment.

•Packaging should be adequate to ensure connectors are not damaged

•Store and handle the radio equipment in dry clean safe environment

•Handle the equipment with care

•Care when stacking MReX boxes must be taken to not damage part of the radio such as

connectors.

MReX-5B Transmitter User Manual v2.07 Firmware

FCC NOTICE

This device complies with Part 15.247 of the FCC Rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference and

2. This device must accept any interference received including interference that may cause

undesired operation.

This device must be operated as supplied by the equipment supplier. Any changes or modifications

made to the device without the written consent of the equipment supplier may void the user’s au-

thority to operate the device.

End user products that have this device embedded must be installed by experienced radio and an-

tenna personnel or supplied with non-standard antenna connectors and antennas available from

vendors specified by the equipment supplier. Please contact the equipment supplier for end user

antenna and connector recommendations.

Exposure to RF energy is an important safety consideration. The FCC has adopted a safety stand-

ard for human exposure to radio frequency electromagnetic energy emitted by FCC regulated

equipment as a result of its actions in General Docket 79-144 on March 13 1996.

This equipment complies with the FCC RF radiation exposure limits set forth for an

uncontrolled environment. This equipment should be installed and operated with a

minimum distance of 11cm between the radiator and any part of your body

NOTICE

This symbol on the product or its packaging indicates that this product must not be

disposed of with other waste.

Instead it is your responsibility to dispose of your waste equipment by handing it over to a

designated collection point for the recycling of waste electrical and electronic equipment.

The separate collection and recycling of your waste equipment at the time of disposal will help

conserve natural resources and help ensure that it is recycled in a manner that protects human

health and the environment. For more information about where you can drop off your waste equip-

ment for recycling contact the dealer from whom you originally purchased the product.

MReX-5B Transmitter User Manual v2.07 Firmware

Operation

The MReX-5B will illuminate the red front panel LED while transmitting. Prior to transmitting an

audible beep will be heard.

Under normal operation on start-up there is a sign-on message sent out the 3.3V TTL serial port. 10

seconds after power is applied. The sign on message indicates the firmware revision serial number

other software related information.

Commands may be issued and firmware updated from this 3.3V TTL serial port. Messages and fre-

quency can be preconfigured on order or a serial may be purchased for qualified end user configur-

ation.

Replace AA cells if LED does not light or sounder does not operate.

Ensure an antenna is attached before transmitting.

MReX-5B Transmitter User Manual v2.07 Firmware

MR Messaging

The MReX supports the transmission of short Digital Mobile Radio text messages allowing direct

messaging to DMR radios. This is an optional feature.

The MReX has a partial implementation of the ETSI TS 102 361-1 DMR standard allowing for

DMR “Tier 1” messaging and therefore cannot be used in systems that have repeaters.

This is not a full implementation and as a result has the following restrictions:

•Messages are limited to a maximum length of 50 characters.

DMR messages can be sent when an input is triggered or through use of the WT protocol in a sim-

ilar manner as sending POCSAG paging messages. Refer to WT Protocol for usage information.

The MReX concurrently supports POCSAG and DMR paging allowing an input to send messages

to both legacy paging systems and newer DMR radios.

Different DMR manufacturers have interoperability limitations. The MReX is similar in this re-

gard. Please refer to the Specification section for a list of tested DMR radios. The MReX WT pro-

tocol allows for switching between supported radio types to allow support for Hytera Kirisun and

other brands.

MReX-5B Transmitter User Manual v2.07 Firmware

Configuration

Parameters can be changed using any common serial terminal program. A free serial terminal pro-

gram that also allows saving and loading of configuration files can be downloaded from

wte.co.nz/tools.html

Start-up operation is always at 9600:8-N-1.

The MReX-5B integrates the MReX-460 module therefore has available the MReX-460 command

set. However only a subset of those commands are relevant to the MReX-5B. Relevant commands

are listed below.

All configuration commands always start with the asterisk ‘*’ character.

All messages that do not start with the * character are processed by the protocol decoder.

All messages are terminated by a Carriage Return character shown in this manual as <CR>

All commands that accept a value can have that value read back by using the ‘?’ suffix. E.g.

*TX_FREQ?

Returns

*TX_FREQ=460000000 (for example)

There are some commands that support multiple entries (such as the same command but for differ-

ent inputs). In this case the question mark can be followed by the parameter to be interrogated. E.g.

*IN_CONFIG_L?<CR>

Returns (lists all ranges)

*IN_MSG_L=1:WT1234560A10 IN_LOW_1

*IN_MSG_L=2:WT1234560A10 IN_LOW_2

*IN_MSG_L=3:WT1234560A10 IN_LOW_3

*IN_MSG_L=4:WT1234560A10 IN_LOW_4

*IN_MSG_L=5:WT1234560A10 IN_LOW_5

To find the first range only usage would be:

*IN_CONFIG_L ?1<CR>

Returns

*IN_CONFIG_L=1:WT1234560A10 IN_LOW_1

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