China 4 SIM GSM Gateway for Telephone /PBX, Find details about China 4 SIM GSM Gateway from 4 SIM GSM Gateway for Telephone /PBX
FXS | 4 RJ11 POTS connectors,FXS to connect 4 Telephones or PBX |
Power input | 12v from your Power Adapter |
Antenna connection | 4 SMA Connector for the GSM antenna |
LEDs | LED indicators for status (see LED display explanation) |
SIM card slot | 4 SIM card slots |
Power (red) | Device Powered On indicator |
FXS (orange) | On when the FXS is in use |
GSM(green) | On when the talking is going on |