| CompactFlash card interface (for IntraMail software loading and database backup). Conference circuits DTMF receivers and DTMF generators. Real Time Clock. NAND Flash for storing the system database. Battery for short term (14 day) backup of the Real Time Clock and station parameters. Two audio inputs for Background Music and Music on Hold (1/8 mono minijacks). One audio output for External Paging (1/8 mono minijack). Ethernet and USB ports for local and remote PC Programming. RS-232 serial port for Station Message Detail Recording. Built-in V.32BIS 14.4K BPS modem for remote maintenance. |













