Read Panasonic KX-UT248RU / KX-UT248RU-B (serv.man3) Service Manual online
8
KX-UT248RU/KX-UT248RU-B
4.2.3.
Ethernet Circuit
IC401 has PHY function for the interface of ETHERNET and has ETHERNET function 10Base-T, 100Base-TX and
1000Base-T.
It is composed of a simple circuit as shown in the above figure.
1000Base-T.
It is composed of a simple circuit as shown in the above figure.
LAN port, PC port, and IC401 are insulated mutually electrically.
The power supply for PoE is obtained from JK402 on LAN port side.
As for the voltage generated from PoE, 12V is output by IC402 (PoE Power Circuit).
The power supply for PoE is obtained from JK402 on LAN port side.
As for the voltage generated from PoE, 12V is output by IC402 (PoE Power Circuit).
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