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INTRODUCTION

CMe2100 LTE is a flexible and cost-effective DIN-mounted M-Bus 
Metering Gateway for Mobile Network. It is compatible with all meters 
following the M-Bus standard. For a complete description of the 
product, visit the Elvaco AB website, www.elvaco.com.

OVERVIEW

CMe2100 LTE

M-Bus Metering Gateway for mobile network

MOUNTING

The CMe2100 LTE should be mounted on a DIN-rail. The plastic clip on 
the bottom is used to mount and demount the unit from the DIN-rail. For 
safety reasons, a DIN-rail enclosure must cover the terminals.

SIM CARD

Install the SIM card into the SIM card holder (10). Remember the phone 
number for later use. 
IMPORTANT
• 

The SIM card shall not have any PIN code activated.

• 

The SIM card must have 2G/3G/LTE internet access activated for 
full functionality.

• 

If a prepaid SIM card is used, ensure that enough credits are 
available.

POWER SUPPLY

The installation should be performed by a qualified electrician or installer 
with required knowledge. The power supply should be connected via 
a clearly marked, easily accessible and close switch so the unit can be 
switched off during service work. The main supply should be connected 
to screw terminal (13) and (14). Main supply voltage should be in the 
range of 100-240 VAC, 50/60 Hz.

M-BUS 2-WIRE BUS

M-Bus is a multi-drop 2-wire bus with no polarity. Use a cable of area 
0.25-1.5 mm

2

, e.g. a standard telephone cable (EKKX 2x2x0.5). Connect 

the wiring to the connector (3). Do not exceed the maximum cable 
length of 1000 m.

ANTENNA

An external antenna is needed for CMe2100 LTE, this is ordered 
separately. Please visit www.elvaco.com to find a suitable antenna option. 
 
The antenna should be connected to the SMA connector (4). If the unit 
is mounted in a metal cabinet, the external antenna should be mounted 
outside the metal cabinet.

IMPORTANT

• 

CMe2100 LTE should be connected to the antenna when the 
antenna wiring is done. Otherwise the SMA connector can be 
damaged.

• 

Do not mount the antenna close to the M-Bus 2-wire bus.

• 

Do not mount the antenna inside a metallic cabinet.

INSTALLATION/SEND SMS COMMAND

CMe2100 LTE is configured with SMS commands. Send any command 
from the table below in a text message to the phone number of the 
product. 

Function

SMS command

New installation of meter

install n [profile]

Change of meter

install n [profile] clean

Add meter on the bus

install n [profile] keep

Signal strength/is the terminal alive? status

Is mobile data working?

timesync

Send momentary values via e-mail

momreport

Send momentary values to a specific 
recipient

momreport email.to=name@
domain.se

Receive meter values via sms

momreport 101 [secondary 
address]

Receive meter values as excel files

report 1day 1104 email.
[email protected]

Receive hourly values once every 
day as excel files

sch report1 1day 1104

1. 

Serial number

2. 

Push button

3. 

M-Bus connector

4. 

Antenna SMA connector

5. 

IR interface

6. 

Status LED (green)

7. 

Error LED (red)

8. 

Network LED (yellow)

9. 

Blue LED (not used)

10.  SIM card holder
11.  USB slave connector
12.  USB master connector
13.  Power supply L
14.  Power supply N

IMPORTANT 

The product handles up to 256 meters. Use an M-Bus extender for 
installations with more meters than the product limit. 
All connected M-Bus slaves must have unique primary or secondary 
M-Bus addresses depending on addressing mode.

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