XC
This modem is designed to work with the LZQJ-XC series of meters from Germany’s EMH metering GmbH & Co. KG. It uses proven 3G radio data transmission technology and can be installed easily in a special slot on the meter.
Specifications
- Dimensions (height × width × depth): 104.5 × 47 × 27.5 mm
- IP protection rating: same as the meter’s IP rating following installation in a special slot
- Power supply voltage: 18 V DC
- Operating temperatures: -25 to +60°C
- Sealing: communications connectors, power connector, SIM card slot and antenna connector
- Clear status and signal level indications with LEDs on the front panel
Radio communications
- 900/1800 MHz for CSD on 2G networks
- 900/1800 MHz for GPRS/EDGE on 2G/2.5G networks
- 900/2100 MHz for UMTS/HSPA on 3G networks
Functionality
- Support of TCP/IP, UDP/IP, ICMP, Telnet
- Transparent handling of data from the serial interface
- Powerful feature set to support electricity meters (including time synchronization and automatic protocol recognition)
- Real-time clock with battery backup; clock synchronization via NTP or from the GSM
- Remote and local hardware and software restart feature
- Proprietary algorithms to monitor key quality metrics of the entire communication channel in TCP/IP mode and GSM mode: Link Control and GPRS Control
- Device configuration access security controls
- Internal event log
- Built-in IP address filter to support whitelisting and blacklisting for inbound connections
- Optional ability to send alerts when power is lost/restored (built-in power source)
- Compliance with industry standards in terms of technical and security specifications
Equipment
- mini USB 2.0 configuration port
- FME antenna port
- SIM card slot (2FF USIM)
Additional features include:
- RS-485 serial interface (RJ-12)
- Potential-free input