Industrial Single Board Computer Expansion (SBX) Boards

uDX-221 Multifunction Multimodule (Dual Serial, Clock/Calendar and CMOS RAM)An SBX board providing two independent RS-232C or RS-422A/449 serial ports with individually programmable baud rates; a battery-maintained clock/calendar with programmable periodic, time-of-day alarm and power fail interrupts; and 8K, 32K or 128K bytes of battery-maintained CMOS RAM. Available in mixed TTL/MOS/CMOS logic or all-CMOS for low operating power applications. Double-wide SBX module.