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ISDN BRI 44
SmartNode 4120 User Manual 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 10. Connecting an ISDN device
Note: Other pins are not used.
ISDN NT
or PBX
RJ-45, male RJ-45, male
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