3com 3CRWDR101A-75 Sync Problem

[Remos]

i have 3com 3CRWDR101A-75

Model : WL-552

Version 1.10.00.A



my problem is after like 6 hours i power on the router .. Sync and Online Lamps Goes down

and keep Sync keep flashing till it's stay green .. then online goes green too and after 10 sec

Sync and Online Lamps goes down again .. and keep doing this Till .. i unplug the power and keep it powerd off for 1min then power on again

and it stays for 5~6 hours powered on and then the same problem happen again



i changed my main telephone line .. and splitter .. and tried without splitter too so it's not a telephone line problem i think



i hope you help me and sorry for my english.