The STAM-BOX case facilitates easy expansion of monitoring stations using additional telephone and TCP/IP receiver cards. The case has 14 PCI slots for STAM-1 P/STAM-1 R/STAM-1 K/STAM-1 PE/STAM-1 RE cards. Its internal backup power supply can be connected to a backup battery, ensuring uninterruptable operation of the station in the event of 230V mains supply issues.