FPGA based DMA supported Serial Communication Controller; Support of RxD, TxD, RxC, TxC, RTS, CTS, CD and GND per channel; 3 on board clock sources; several clock options programmable; maximum data rates up to 10 Mbit/s; Physical interface programmable per channel: EIA-232, EIA-422, EIA-449, EIA-530, EIA-530A, V.35, V.36 and X.21; Front panel HD68 SCSI-3 Type Connector; Operating temperature -40°C to +85°C