CT400P is a 4 port FXS/FXO analog Asterisk PCI card. The PCI plug is based on PCI2.2. User could choose any of combinations of FXO_100 or FXS_100 modules according to their requirements. 

Main Features:

*  High security: It adopt tertiary thunder preventing technology, can prevent the thunder and lightning from striking effectively

*  Fully PCI 2.2 compliant, compatible with all commercially available motherboards, proper interrupt sharing without manual tuning.

*  32 bit bus master DMA data exchanges across PCI interface at 132Mbytes/sec for minimum host processor intervention.

*  World Wide Usable: Configurable line interface to meet global telephone line interface requirements.

*   Exchangable with Digium modules: It is mixable with X100M/S100M of Digium.

*   No additional power connector or supplier is required for the operation of FXS modules.

*   Support all functions of Asterisk PBX system needed.

*   Easy to stall: Both software and hardware compatible with Digiums TDM400P.

*   Humanization is designed: The module socket that should be nipped is all adopted and stuck to one slice of sockets, can prevent stabing users finger effectively.

*   Size(L*W*H): 140*104*12MM