4 SIM GSM Fixed Wireless Terminal with 4 Rj-11 FXS Port for Telephone

1, General Description

GSM FWT ETS-4S is a newly designed 4 ports GSM to POTS (Plain Old Telephone Service) line Converter, also known as Fixed Wireless Terminal. The device has 4 line connections that allow 4 regular analog telephones to be connected to 4 Cellular GSM service just like connecting to 4 local PSTN (Public Switched Telephone Network) land-lines. Your calls are connected on the GSM network. This device receives and makes phone calls.

Model GSM FWT ETS-4S is 4 GSM modules + 4 FXS ports.

2, Installation and Connections

1. The GSM FWT ETS-4S has to be in an area with a good GSM network coverage. Poor signal may affect the quality of the voice.
2. Insert the SIM card into the SIM card holder at the back of the GSM FWT ETS-4S.
3. Connect the antenna. In order to ensure a good quality of voice, it is recommended to locate the antenna at least 1.5m from the telephone and from the GSM FWT ETS-4S.
4. Plug the RJ-11 cable to the back of the GSM FWT ETS-4S marked as FXS (1-4) and the other end to your telephone.
5. Plug the Power Adapter to the wall power socket and its 12v plug to the Power (PWR) connector on the back of the GSM FWT ETS-4S.
6. Your Telephone will ring twice when the GSM FWT ETS-4S has completed the boot process, it takes about 5 seconds.
7. You can make and receive calls after you can hear the Dial Tone on the telephone and Network Signal indicator (GSM) is ON.