UP0
U
P0
The U
interface is used as PTMP connection to link up digital end
P0
devices via a single twin wire. System phones of the COMfortel series are
directly connected to the internal U
port; other ISDN devices can be
P0
connected to the U
port the via a U
/S
adapter.
P0
P0
0
COMpact 5200/5200R/5500R - Firmware V7.4A - Advanced Information V08 06/2019
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