12
2.2 Interface options
Front-side connectors
1 – 2 x USB 1.1 host connector for USB device socket
2 – Micro-SD card socket
3 - Antenna SMA connector
4 – GSM network response LEDs (colours: green, red; signal: GPRS/3G)
5 – Interface connector socket (RS485, MBUS (for ex. calorimeter))
6 – case fixing screw
7 – hard-wire mounting (C-slide)