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Posted by Nathan Mates on October 21, 2006, 8:26 pm
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I've got a Motorola SB5100 here that's been working fine for months.
However, the past few days, I've had some issues with internet
connectivity seeming to drop out until I powercycled the Linksys
WRT54G v5 (1.06 firmware, just upgraded that to 1.10 last night). All
day today, the SB5100 has been going thru its normal startup cycle
when I unplug it (sometimes >15 minutes). I see the following cycle of
lights:
1: Power: Solid (5-10 seconds)
2: Power: S, Receive Blinky (5-20 seconds)
3: Power: S, Receive S, Send: Blinky (5-20 seconds)
4: Power: S, Receive S, Send: S, Online blinky (5-10 seconds)
5: Power: S, Receive & Send lights blink at same time. [Permanent]
It stays in state #5 forever (at least 2-3 hours). I have rebooted
it many times today, sometimeswith the WRT54G connected to it,
sometimes with only the cable & power cords connected to the
SB5100. Doing some scouring online, I could not find a single FAQ or
guide that explains what a double-blink means.
An older netgear CG814WGv2 (Comcast-supplied, though TimeWarner
recently took them over) cable box that I used to have *could* connect
to the cable line here, which is how I was able to do some research &
post this. [Netgear box got the boot because it was (1) not able to
support more than 4 DHCP clients at once (2) connections seemed flaky,
(3) unable to find new firmware to try and update that thing to see if
that would fix issues 1 & 2 (4) WRT54G supports dyndns.org. Replacing
the CG814WG with the SB5100 and WRT54G made things great for months]
Connecting my computer to the SB5100 while it was connected, I got
the following info. Note that it thinks everything is "done" while
the double-blink was happening. I don't know how to read the frequency,
signal/noise, or power level items, so please advise. The logs (scroll
down) are the most interesting-- it seems like it can't lock on to the
signals.
Sorry for the exceptionall long post, but I'd rather err on the
side of too much info. Is this a problem with my TW Cable? Does the
SB5100 need a firmware update? (Didn't see any items on the webpages
when connected to it). Is the SB5100 dead and needing replacement?
Thanks to all who can reply.
Nathan Mates
--- Logs from SB5100's webpages
Acquire Downstream Channel Done
Obtain Upstream Parameters Done
Upstream Ranging Done
Establish IP Connectivity using DHCP Done
Establish Time Of Day Done
Transfer Operational Parameters through TFTP Done
Register Connection Done
Cable Modem Status Operational
Initialize Baseline Privacy Skipped
Frequency 739786900 Hz Locked
Signal to Noise Ratio 35 dB
Power Level -4 dBmV The Downstream Power Level reading is a snapshot taken at
the time this page was requested. Please Reload/Refresh this Page for a new
reading
Upstream Value
Channel ID 2
Frequency 25344000 Hz Ranged
Power Level 42 dBmV
[Logs page]
1970-01-01 00:00:10 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
1970-01-01 00:00:16 3-Critical T001.0 SYNC Timing Synchronization failure -
Failed to acquire QAM/QPSK symbol timing
1970-01-01 00:00:02 3-Critical T002.0 SYNC Timing Synchronization failure -
Failed to acquire FEC framing
1970-01-01 00:00:13 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 19:30:40 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
2006-10-21 19:30:18 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 19:30:06 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:13 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 18:56:17 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:12 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 18:16:24 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:13 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 17:31:21 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:12 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 16:44:59 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:14 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 16:18:58 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:13 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 16:15:21 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:10 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-21 14:17:07 3-Critical D006.0 TFTP failed - configuration file NOT FOUND
1970-01-01 00:00:11 3-Critical D003.0 DHCP WARNING - Non-critical field invalid
in response.
2006-10-20 22:19:07 3-Critical T002.0 SYNC Timing Synchronization failure -
Failed to acquire FEC framing
2006-10-20 22:19:06 3-Critical T001.0 SYNC Timing Synchronization failure -
Failed to acquire QAM/QPSK symbol timing
--
<*> Nathan Mates - personal webpage http://www.visi.com/~nathan/
# Programmer at Pandemic Studios -- http://www.pandemicstudios.com/
# NOT speaking for Pandemic Studios. "Care not what the neighbors
# think. What are the facts, and to how many decimal places?" -R.A. Heinlein
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