Isac-s Isdn Access Controller
ISDN S/T HDLC Interface 1-Line 128Kbps 5V 44-Pin LCC
ISDN S/T HDLC 1-Line 128Kbps 5V 40-Pin PDIP
ISDN S/T HDLC 1-Line 128Kbps 5V 44-Pin LCC
