Digium S110M 1-Port FXS Module - Open Box

Single Channel Station (FXS) ModuleThe S110M FXS module allows the TDM400P card or TDM800P card to terminate analog telephones.Because of the modular design, a user can activate additional ports at any time with more S110M or X100M daughter cards. The S110M module passes all the call features any standard analog telephone will support.