212N TELEKOMUNIKACE a.s., www.2n.cz®Power Supply ConnectionUse only the power supply adapter included in the delivery. Make sure that the electricdistribution network voltage is in compliance with the data on the supply adapter platebefore plugging the adapter and that the antenna is connected properly. If you connectthe power supply without having connected the antenna, the GSM module transmittermay get damaged. Plug the supply adapter into the mains socket and only thenconnect the adapter connector to the gateway. Refer to the status indicators.WarningConnecting a defective or inappropriate power supply adapter maylead to a temporary or permanent 2N BRI Enterprise / BRI Lite®error!Check whether the antenna is connected before plugging the adapter.Feeding the device without antenna connection may result inthe GSM module transmitter damage.Ethernet Cable ConnectionTo connect into the Ethernet network, use a standard2N BRI Enterprise/Lite®straight cable terminated with RJ–45 connectors (included in the package). The GSMgateway supports the 10BaseT and 100BaseT standards, the Ethernet connectionstatus is indicated by the status LED indicators located on the RJ–45 connector (referto for details).S. 2.1CautionThe Ethernet interface is used for remote supervision andconfiguration only, i.e. does not contain the VoIP interface.With a proper licence, the device provides the VoIP–SIP support.