Auerswald Analog/ISDN Converter Installations- Und Bedienungshandbuch Seite 44

Fig. 9: ISDN Synchronization (fixed Wiring)
ISDN PBX
NT
Analog/ISDN Converter
(e.g. by Auerswald)
(by network provider)
U Connection
K0
ISDN
Connect the clamps "Sync ISDN (b2, b1, a1 and a2)" with the external S port on the PBX
0
Connect the clamps "Sync ISDN (b2, b1, a1 and a2)" with the NT of the network provider
Terminators on the external S port of the PBX are switched on
0
Terminators on the NT are switched on