EICON TECHNOLOGY, INC. ISDN-S2M MCA Card Type ISDN TA Processor 80486 Processor Speed 33MHz Chip Set Unidentified Transfer Rate 64Kbps x 30 Data Bus MCA ISDN Protocol X.75, LAPD, SDLC Switch Type 1TR6, DSS1 [Image] CONNECTIONS Function Label ISDN line CN1 Note: Standard ISDN connectors are provided on an included adapter cable.