The BIM-232D-4 is a 4-channel RS-232 bus monitor card for use in Curtiss-Wright’s EDAU/CDAU/WDAU/nDAU-2000 data acquisition unit products. The card supports serial communications per the EIA-RS-232 standard at baud rates from 50 baud up to 460.8 Kbaud on a per-channel basis (921.6 Kbaud in Kulite mode). One channel operation up to 921.6 Kbaud per channel pair. High, low and micro timestamping are provided on a per-data-packet basis.