2.4 Overview of Connectors
Connector Layout and Meanings
| ||
| FXS | Analog line | |
| RELAY | NO (Normally Open): contact that is open against the COM contact at relax. | |
| COM: contact that switches between NO and NC after voltage is applied to the coil. | ||
| NC (Normally Closed): contact that is connected with the COM contact at relax. | ||
| INPUT | Shorting input. Not used for voltage connection. | |
| RS232 | Used for connecting the device with the serial bus (in some controller types, e.g.). | |
| TX, output from 2N® EasyGate IP. | ||
| RX, input to 2N® EasyGate IP. | ||
| GND, grounding. | ||
| RESET | A short press restarts the device. A long press (20 s) resets the device factory values.
| |
| USB | Used for local access to the web interface settings via the 2N® EasyGate IP – 2N Web Configuration Utility. | |
| SIM1 | Primary SIM card slot without PIN. | |
| ANTENNA CONNECTOR | SMA antenna connector. For US version with Verizon support two antenna connectors used (Main and Diversity). | |
| SIM2 | Secondary SIM card slot for primary SIM backup at signal loss. | |
| POWER | Power supply connector. | |
| EXT BATTERY | Connector for remote connection of 4 external NiMH batteries outside the device. Power is withdrawn from the external battery automatically in the case of an electrical power failure. Make sure that the internal batteries are removed before connecting external batteries! | |
| O/I | Device on/off switch. | |
