Patton SmartNode 4120 User Manual download pdf (Page 44)

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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