Exchange interfaces and tasks, V1
		n Purpose of exchange is to organizes connection between exchange terminators! n V1: Access to basic ISDN (This is user’s ISDN-u interface that can be used to connect small PBX also) n Basic ISDN V1-functions: n 2 B + D (2x64 kbps + 16 kbps) channeling structure n timing and frame synchronization n activate and deactivate terminator n operation and maintenance n feeding power supply n ISDN basic access parameters defined in G.961