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Cable Modem
Local
Motorola Surfboard SB5120
Signal Levels
External
What cable modem signal levels are considered good?
http://www.speedguide.net/faq_in_q.php?qid=78
What kind of signal levels do I want on my cable modem?
http://www.dslreports.com/faq/3412
Signal Levels
Name
Optimal
Range
Description
Downstream Signal to Noise Ratio
Greater than 35db
Greater than 30db
Downstream Power
-8dbmV to +8dbmV
-15dbmV to +15dbmV
Upstream Power
48dbmV to 51dbmV
37dbmV to 55dbmV
Motorola Surfboard SB5120
Modem web pages:
http://192.168.100.1
