Tuning in
  • 25
  • 0
  • 1
Registered: ‎04-03-2010
Message 1 of 2 (932 Views)

Downstream/Upstream Figures. What do they mean?

Does anyone know if this is good or bad?





Cable Modem Downstream
Downstream Lock : Locked
Downstream Channel Id : 1
Downstream Frequency : 330750000 Hz
Downstream Modulation : QAM256
Downstream Symbol Rate : 6952 Ksym/sec
Downstream Interleave Depth : taps12Increment17
Downstream Receive Power Level : 8.4 dBmV
Downstream SNR : 39.0 dB
Cable Modem Upstream
Upstream Lock : Locked
Upstream Channel ID : 2
Upstream Frequency : 22200000 Hz
Upstream Modulation : QAM16
Upstream Symbol Rate : 2560 Ksym/sec
Upstream transmit Power Level : 40.0 dBmV
Upstream Mini-Slot Size : 2


Error Log:

Mon Apr 26 21:13:56 2010 Mon Apr 26 21:13:56 2010 Critical (3)Started Unicast Maintenance Ranging - No Response received -



Can someone please explain if this means everything is ok

0 Kudos
Forum Team (Retired)
  • 2.22K
  • 39
  • 109
Registered: ‎18-03-2010
Message 2 of 2 (914 Views)

Re: Downstream/Upstream Figures. What do they mean?

Hi Charasmatic_One,

The downstream power level is a little bit high, but modems can still fully finction with no problem at all with this level.  I will need you modem switched on and leaving on whilst we run some tests from our end.




Help & Support Forum Team

If someone's helped you out say thanks by clicking on the Kudos Star. If someone's solved your problem, why not mark their message as an Accepted Solution? You can also help other users find useful posts by Tagging them with keywords.

If you are new to the forum, please remember to search the forum before posting your question.