Description :
S0 2B+D
Bus ISA
Plug and Play
Installation simple
Performances optimum
ISDN API (CAPI) version 2.0
Protocole canal B : HDLC transparent, X.75, T.70, T.90 
Protocole canal D : DSS1, Euro ISDN/NET 3/ETSI, NI-1, USA, 5ESS, AT&T,
USA
DOS, Windows 3.1x, W95, Windows NT