Regards.. something wrong at last few day.. my THG520 cable modem disconect 4-5times/h. the event log says:
Date/Time
Event ID
Event Level
Description
03/13/2008 23.34
68000300
03
DHCP WARNING - Non-critical field invalid in response.
03/13/2008 23.34
82000200
03
No Ranging Response received - T3 time-out
03/13/2008 23.34
82000400
03
Received Response to Broadcast Maintenance Request, But no Unicast
Maintenance opportunities received - T4 timeout
03/13/2008 23.33
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 23.16
73000200
03
REG RSP not received
03/13/2008 23.16
68000300
03
DHCP WARNING - Non-critical field invalid in response.
03/13/2008 23.16
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 23.16
82000200
03
No Ranging Response received - T3 time-out
03/13/2008 23.15
82000400
03
Received Response to Broadcast Maintenance Request, But no Unicast
Maintenance opportunities received - T4 timeout
03/13/2008 23.15
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 23.08
68000300
03
DHCP WARNING - Non-critical field invalid in response.
03/13/2008 23.08
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 23.08
82000200
03
No Ranging Response received - T3 time-out
03/13/2008 23.07
82000400
03
Received Response to Broadcast Maintenance Request, But no Unicast
Maintenance opportunities received - T4 timeout
03/13/2008 23.07
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 23.06
82000200
03
No Ranging Response received - T3 time-out
03/13/2008 23.06
82000400
03
Received Response to Broadcast Maintenance Request, But no Unicast
Maintenance opportunities received - T4 timeout
03/13/2008 23.06
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
03/13/2008 22.30
68000300
03
DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.01
68000300
03
DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.01
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
01/01/1970 00.01
68000300
03
DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.01
68000300
03
DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.01
82000500
03
Started Unicast Maintenance Ranging - No Response received - T3
time-out
01/01/1970 00.01
82000200
03
No Ranging Response received - T3 time-out
01/01/1970 00.01
82000200
03
No Ranging Response received - T3 time-out
01/01/1970 00.01
82000300
03
Init RANGING Critical Ranging Request Retries exhausted
01/01/1970 00.01
82000200
03
No Ranging Response received - T3 time-out
01/01/1970 00.01
82000200
03
No Ranging Response received - T3 time-out
01/01/1970 00.00
68000300
03
DHCP WARNING - Non-critical field invalid in response.
01/01/1970 00.00
82000200
03
No Ranging Response received - T3 time-out
01/01/1970 00.00
82000200
03
No Ranging Response received - T3 time-out
Below 55dBmv TX is a lot better. Could be a bad service line. Also if you call the cable company and have them come out again. Have them put their DSAM meters on the house lines as well as the service tap and have them check for upstream ingress. a lot of things can cause this. It could be a loose fitting somewhere in the house. A t.v.'s shielding may be going out causing unwanted frequencies bleeding in and creating all kinds of noise on the upstream spectrum going back to the node. It could even be a neighbor causing this with their own equipment. If that's the case their maintenance techs should be able to find that.
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Bad upstream transmit path call your cable company, what are the stats off of the diagnostics page. upstream transmit should be below 58 when connected.
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I have the same issue, tried 2 modems , keeps saying in the LOG Started Unicast Maintenance Ranging - No Response received - T3 time-out my downstream and upstream are great SNR is good even the Charter Tech's are unable to fix, they seem to think it's a Mainline issue,, if anybody has any answers please help
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