是要配合機房沒錯,要換小烏龜,是什麼型號要換什麼型號
1.用一段時間的,叫它換線不是更好
2.要換,應該要有原因吧,自己也可以先檢查看看小烏龜內數據,是什麼照成
Signal to Noise (SNR):
5db or below =bad, no sync/intermittent sync
8db-13db = average - and no sync issues
14db-22db = very good
23db-28db = excellent
29db-35db = rare, can throw a rock at co/remote
Line attenuation
teens = rare, great copper lines, close to C.O./Remote
20-30 = excellent
30-40 = very good
40-60 = average
60-65 = poor
65 and above will have issues
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