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ISDN BRI
48
Smart-DTA Getting Started Guide
C • Cabling
ISDN BRI
The ISDN port connects to ISDN terminals (phones, PBXs) or an ISDN S-BUS using cables terminated with
RJ-45 connectors. Use straight-though cables to connect to the TE port of your phone, PBX, or
residential S-BUS.
Figure 14. Connecting an ISDN device
Note:
Other pins are not used.
ISDN
Phone
RJ-45, male
RJ-45, male
3
4
5
6
3
4
5
6