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SmartNode 4650 ADSL2+ Getting Started Guide
ISDN BRI
The ISDN ports are connected to ISDN terminals (Phones PBXs) or an ISDN NT using cables terminated
with RJ-45 connectors. Use straight-though cables to connect to the S/T port of your NT or phones/PBX.
CAUTION
CAUTION
A C
T
L IN
K
RJ-45, male
ISDN BRI
The interconnecting cables shall be acceptable for external use
and shall be rated for the proper application with respect to volt-
age, current, anticipated temperature, flammability, and
mechanical serviceability.
When this device is used in North America, it shall be connected
to a Network Termination Device and not connected directly to
an outside POTS line.
3
4
5
6
Note: Other pins are not used
Figure 13. Connecting an ISDN device
C • Cabling
RJ-45, male
3
4
5
6
57
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