Labels:text | screenshot | rectangle | diagram | font OCR: IEEE 802.9 ISLAN INTERFACE CONFIGURATION Voice Voice TE Data JE ISTER Dolo TE Server Data Server terminal Adapter 802.9 ISLAN Interface Premises Based Access Unit Backbone (802.3/4/5/6, FDDI) WAN LAN-PBX/C.O. Interface Including ISDIN and Voice B-ISDN Switch Computer-PBX/C.O. Interface FIGURE 1: The Integrated Services LAN (ISLAN) standard defines an interface between integrated services terminal equipment (ISTE) and a backbone network. ISTEs connect to an access unit in a physical star topology.