ISDN Master Company BSC, Germany   Date 1992   Amiga A2000, A3000, A4000   Interface Zorro II   Autoconfig ID 2049 / 64 2092 / 64 the card is basically a Siemens ISDN standard design with a Zorro interface ISDN-In and ISDN-Out connectors RCA connector for Audio-In phone handset connector two 32 byte FIFO buffers driver (bscisdn.device) emulates a Hayes compatible modem supports the X.75 and V.110 protocols X.75: 64 kbit/s V.110: 38400 bps supported by NetBSD when CE-certification became necessary in Germany, BSC had to develop a new version of the card, the ISDN Master II Photo front side back side