Connecting to FXO Interfaces

The procedure below describes how to connect the FXO port interfaces to telephone exchange analog lines or PBX extensions.

● To protect against electrical shock and fire, use a 26 AWG min wire to connect FXO ports to the PSTN.
● Make sure that FXO ports are connected to the appropriate external devices; otherwise, damage to the device may occur.
● FXO ports are considered as ES2 (Energy Source class 2).

(French) Avertissements:

● Pour vous protéger contre l’électrocution et le feu, utilisez un fil de 26 AWG au minimum pour connecter le port FXO au PSTN.
● Assurez-vous que le port FXO soit connecté à un appareil externe approprié ; autrement, vous risquez d’endommager l’appareil.
● Le port FXO est considéré être un ES2.

The FXO module is a separate orderable item. This section is applicable only if your device is installed with such a module.