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Can't talk to modem
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Old 15-03-2011, 17:57   #1
mshhal
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Can't talk to modem

Just had my ten year old NTL modem replaced by a VMDG280, everything works, but it won't respond to 192.168.0.1 Only suggestion I've found so far is to try another browser, but Chrome , Firefox and IE all time out. Anyone have any suggestions?
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Old 15-03-2011, 18:34   #2
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Re: Can't talk to modem

Well the modem control panel address at least on the 256 is http://192.168.100.1 try that
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Old 15-03-2011, 19:25   #3
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Re: Can't talk to modem

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Originally Posted by Graham M View Post
Well the modem control panel address at least on the 256 is http://192.168.100.1 try that
Hi Graham, I've tried that. 192.168.0.1 is the address the engineer left and it's also written on the modem label so I'm pretty sure it's correct, plus I can ping it and get a response.

---------- Post added at 19:25 ---------- Previous post was at 18:40 ----------

A reboot has fixed it, but ominous after only one day
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Old 15-03-2011, 19:52   #4
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Re: Can't talk to modem

Please post the Upstream and Downstream stats from your modem just click http://192.168.0.1/ the username is admin and the password is changeme, then click on the small red writing that says advanced settings then look down the left hand side and under Maintenance click on connection and copy and post the details from there.
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Old 15-03-2011, 22:34   #5
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Re: Can't talk to modem

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Originally Posted by Masque View Post
Please post the Upstream and Downstream stats from your modem just click http://192.168.0.1/ the username is admin and the password is changeme, then click on the small red writing that says advanced settings then look down the left hand side and under Maintenance click on connection and copy and post the details from there.
Obviously not read the question there Masque!
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Old 16-03-2011, 06:03   #6
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Re: Can't talk to modem

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Originally Posted by Jonnymeg View Post
Obviously not read the question there Masque!
The reboot fixed it after one day but as he can now access the config pages it would be interesting to see if they are within spec, I read the both the first and post and his answer to Graham before posting the above.
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Old 16-03-2011, 07:58   #7
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Re: Can't talk to modem

Hi Masque, power levels look much the same as with the old modem and SNR is 6dB better so I think all should be well now, But as an engineer myself I always think there is a reason for problems!

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 402750000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK
Security Enabled BPI+
Downstream Channel
Lock Status Locked Modulation QAM256
Channel ID 4 Symbol Rate 5360537
Downstream Frequency 402750000 Hz Downstream Power 9.0 dBmV
SNR 42.6 dBmV
Upstream Channel
Lock Status Locked Modulation QAM16
Channel ID 1 Symbol Rate 2560 Ksym/sec
Upstream Frequency 25800000 Hz Upstream Power 39.0 dBmV
Primary Downstream Service Flow
Downstream(0)
SFID 11440
Max Traffic Rate 10240000 bps
Max Traffic Burst 3044 bytes
Mix Traffic Rate 0 bps
Primary Upstream Service Flow
Upstream(0)
SFID 11439
Max Traffic Rate 1072000 bps
Max Traffic Burst 8160 bytes
Mix Traffic Rate 0 bps
Max Concatenated Burst 8160 bytes
Scheduling Type Best Effort
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Old 19-03-2011, 16:29   #8
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Re: Can't talk to modem

Power 9.0 dBmV isn't good ..

Although if you don't see any issues, not worth worrying about ..
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Old 19-03-2011, 16:43   #9
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Re: Can't talk to modem

Quote:
Originally Posted by mshhal View Post
Hi Masque, power levels look much the same as with the old modem and SNR is 6dB better so I think all should be well now, But as an engineer myself I always think there is a reason for problems!
As Nopanic says if it is working then leave it alone, the engineers who post say 8/9 on the hubs are usually fine.
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Old 19-03-2011, 20:52   #10
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Re: Can't talk to modem

Most will work +15 to -15 however its not wise to be at the extremes.
If you dont get issues at 9db (your return power is great) then dont worry.
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