Unspecified
ISDN BRI controller for Terminal Equipment with built-in DSU
Yamaha Corporation
ISDN BRI controller with B-ch HDLC controllers
Yamaha Corporation
DSU LSI for the ISDN Terminal Equipment
Unspecified
IDNPHS User Network Interface for ISDN Basic Access
Yamaha Corporation
ISTC ISDN BRI controller with S/T ref. pt. analog D/R
Yamaha Corporation
ISDN BRI controller with B-ch HDLC controllers