Read consumption data from up to 31 utility meters with a single modem! This device is equipped with RS232 and RS485 interfaces allowing to connect multiple devices through its RS485 bus system.

The compatibility with the IEC 61107 smart meter protocols allows communications with PLCs and other industrial devices.

The enclosure was designed with industrial applications in mind: the communication ports, connectors, SIM card holder, can all be protected under the sealable terminal cover, casing supports DIN-rail mount or 3-point mounting.

**Quick Specifications — M2M PRO4 MODEM**
Device type	Smart metering and industrial cellular router, data concentrator
Primary use case	Smart metering (AMI/AMR), Smart Grid, Industrial Automation, Building Automation, Substation Management, Data Acquiring
Cellular & RF Access Technology	LTE Cat.4 / 3G / 2G
Protocols	IEC, TCP, Modbus TCP/RTU, DHCP, DynDNS, SFTP, NTP, SNTP, HTTPS, SSHv2, IPv4, IPv6, IP Route, IP passthrough
Interfaces, Physical Connectors	RS232, RS485, micro-USB
Power & Environment	AC or DC power supply — between -40 Celsius and +75 Celsius degree, IP51 protection
Approvals & Certifications	CE, RoHS, ReD DA
Firmware	OpenWRT operation system
Configuration	LuCi web GUI interface (via local or TCP), UCI
Device Management	Device Manager software (Remote provisioning, firmware update, bulk config)
Security	AES-256, TR-069, IPSec, OpenVPN

The device can be supplied from AC mains or USB port (DC). The modem is supplied with an embedded, Linux-based OpenWrt^® system, which is configurable on the local interface. The modem has remote access, maintenance features.

Main features

LTE Cat.4 / 3G /2G modules (order options)
RS232 / RS485 port (RJ45)
RS232 / RS485 port (terminal block)
AC power
IEC 61107 meter protocol compatibility
Transparent data transmission (for HES connection, data sending)
OpenWRT system, web configuration
SSHv2 access, UCI command line
Supercapacitor (against power outages)
TR-069 remote management protocol support
Safety, networking and management protocols
Remote firmware updates, configuration

Application & Use Cases

Industries

Design and outfit

IP51 protected enclosure, fit to DIN-rail or 3-point mounting
Communication ports, connectors, SIM card holder, all can be protected by the sealable terminal cover
RS232, RS485 ports (RJ45 / terminal block) – for up to 31 meter connections
100-230V AC power connector
micro-USB port (for configuration, alternative 5V DC power source)

Meter connection / Data exchange

Meter reading: compatibility with any IEC 61107 protocol compatible utility meters
The modem is configured for transparent communication by default, but it is also suitable for independent data collection and periodical data upload (OpenWRT / cron.d)
Readout cycle is configurable on the local web interface (hourly, daily, weekly, etc)

OpenWRT^® system

Configuration on web interface – through USB connection (OpenWrt^®, LuCi^®) with SSHv2 access, UCI command line
Supported protocols: TCP/IP, DHCP, ser2net, FTP, NTP time synchronisation, VPN, Firewall