The RUGGEDCOM RX1100 is an industrially hardened advanced cyber security appliance with integrated router, firewall, VPN and Intrusion Detection functionality (IDS). Physical Ports Ethernet Options (up to 4 ports) 10/100BaseTX, 100BaseFX Cellular Modem WAN Port Options (up to 8 ports) T1/E1, G.703, PPPoE/Bridged Ethernet via ADSL T3 DS3, 56 Kbps DDS Serial Ports (up to 8 ports) Fully compliant EIA/TIA RS485, RS422, RS232 serial ports Embedded Modem Port Precision Time Protocol HI = 88-300VDC or 85-264VAC, screw terminal block HI = 88-300VDC or 85-264VAC, screw terminal block RM = 19 Rack Mount Kit" F = Ethernet on front LED panel on front " power connector on rear XX = Manufacturing modification none XX = noneM1 = V90 Modem TX01 = 2 x 10/100Tx RJ45 TX01 = 2 x 10/100Tx RJ45 TS1 = Precision Time Protocol (PTP) Card GPS, NTP, IRIG-B, IEEE 1588 Time Synchronization (2) S01 = 4 x RS232/RS422/RS485 via RJ45