MP-40x SIP MediaPack BRI Series
SIP User's Manual
30
Document #: LTRT-53301
Warning:
If Fallback is activated on two ports that are configured as user side,
damage can be caused to external equipment. Ports 2 and 0 must be
configured as Point to Point, User side interfaces. For additional
information on configuring the ISDN ports, refer to Chapter
640H660H
6
.
Notes:
•
If ports 0 and 1, and ports 2 and 3 are configured identically (both user
and both net side), Fallback does not function.
•
If ports 0 and 1, or ports 2 and 3 are configured as user side (i.e.,
connected to systems that provide power), Fallback does not function
and the external equipment can be damaged.
•
The MediaPack is protected against such invalid configurations as
described above.
3.4.7
Connecting the Power Source
The MediaPack is powered from an external power supply adapter (supplied), which
connects to a standard electrical outlet.
Figure
3-13: MediaPack Power Cabling