


µPORT 3G
Compact universal modem
µPORT 3G was designed as a small and cost-effective modem for remote data transmission from electricity meters and different types of controllers and devices equipped with an RS-485 serial interface. The modem features a proven 3G radio communications module, RS-485 serial interface with an additional power supply line, and a potential-free input.
Specifications
- Small dimensions (height × width × depth): 85 × 96 × 34 mm
- High protection rating: IP53
- Power supply voltage: 100 to 240 V AC
- Broad range of operating temperatures: -25 to +60°C
- Sealed connector cover to protect against unauthorized access
- Clear status and signal level indications with LEDs on the front panel
- Power consumption: 5 W (average)
- DIN rail mounting capability
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
- Compliance with industry standards in terms of technical and security specifications
Equipment
- RS-485 serial interface with a power supply line (terminal block)
- mini USB 2.0 configuration port
- SMA antenna port
- SIM card slot (2FF USIM)
- Potential-free input