Sangoma A400X Voice Interface Card - The Sangoma A400 Card consists of an A400 Remora™ daughterboard mounted on the Sangoma AFT Series PCI or PCI Express base card. The A400 Remora™ Card has six sockets each, which can accept an FXO-2 or FXS-2 module. Each FXO-2 or FXS-2 module supports two FXO or FXS lines respectively.