Samsung OFFICESERV 7100 Service Manual page 129

3.4.6.6 Abnormal LAN Port Operation
The procedure for resolving the problem that occurs in the LAN port of the TEPRI2 board.
Start
Yes
LAN port of the front is used?
Yes
PING test result is normal?
Yes
LAN port normally operates?
Yes
End
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No
Connect the LAN cable.
No
Check U5(CPLD) K14, R25 clocks.
Replace U2 PHY CHIP.
No
Replace U12 CPU.
OfficeServ 7100 Service Manual
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