Conceptronic 128Kbps Internal PCI ISDN Adapter, X.75 V120. HDLC. PPP, 14,4 Kbit/s, DSS1: Euro-ISDN. AT&T 5ESS DMS-100, 2 (128Kbps), 1x Conceptronic 128Kbps Internal PCI ISDN Adapter. Protocoles de liaison de données: X.75 V120. HDLC. PPP. Vitesse du modem: 14,4 Kbit/s, Protocoles pris en charge: DSS1: Euro-ISDN. AT&T 5ESS DMS-100, Protocoles canal-B: 2 (128Kbps). Ports E/S: 1x