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bigd0g

join:2001-08-09
Middletown, RI

[RI] Random Slowdowns & Disconnects

Hi,

I'm in Tiverton, RI and have been experiencing random Internet slowdown and disconnects recently. I am using the same hardware that I was using at my prior address in Middletown, RI -- and I used to have no problems getting full speed there.

I have the Premier Internet package and HDTV. I do not see problems with the HDTV when I encounter Internet slowdowns and/or disconnects. My townhouse has separate wiring (provided in-unit) in the living room, office, and master bedroom for cable. The HDTV is in the living room and the cable modem is located in the office.

Here's the following router information. I'm intermittently getting between 4-10 Mbps down this evening. Speed tests are being run through speedtest.net using the closest server.

>> RF Parameters

Downstream
Freq/Power: 855.000 MHz 1 dBmV
Signal to Noise Ratio: 39 dB
Modulation: QAM256
Upstream
Freq/Power: 25.600 MHz 49 dBmV
Channel Type: DOCSIS 2.0 (ATDMA)
Symbol Rate: 5120 kSym/sec
Modulation: QAM64

>> CM Hardware Information

System: ARRIS DOCSIS 2.0 / PacketCable 1.0 Touchstone Telephony Modem HW_REV: 04
VENDOR: Arris Interactive, L.L.C.
BOOTR: 6.03
SW_REV: 6.1.120.MAXF861
MODEL: TM602G
Product Type: 00000006 010a3be2
Product Release: 00000004
Flash Part: AM29LV320MB
Download Revision: 2
Firmware Revision: 6.1.120.MAXF861
Serial Number: 87HBNE8AC412967
Battery Charger FW Rev: 07.30

>> Firmware Build and Revisions

Firmware Name: TS0601120_051211_MODEL_6_MAXF861
Firmware Build Time: Thu May 12 11:39:36 EDT 2011

>> Other Info

Linksys N610 Dual-Band WiFi w/ Gigabit Ethernet
Connected both WiFi and Wired to Router
Slowness not restricted to any particular web site when it happens.

Any ideas?

Thanks, in advance.



MarkRH
Premium
join:2005-02-08
Oklahoma City, OK

Hmmm.. I was just installing a new game that had to download 4.5 Gigs of data and I noticed all the lights on my modem would go off except for the Power and the DS (or the DS just came back on real quick). Everything would come back real quick and the installer kept going fairly quickly. This happened numerous times.

Once it had finished downloading, it quit doing this. Here's the stats from the game downloading:

Finished downloading 4,804,166,934 bytes in 1,501.529 seconds (3,199,516 bytes per second)

I looked in the modem's event log and saw nothing relating to this period of time. Also have an Arris modem.

RF Parameters
Downstream
Freq/Power: 843.000 MHz -3 dBmV
Signal to Noise Ratio: 37 dB
Modulation: QAM256
Upstream
Freq/Power: 35.100 MHz 42 dBmV
Channel Type: Mixed (TDMA and ATDMA)
Symbol Rate: 2560 kSym/sec
Modulation: QAM16

CM Hardware Information
System: ARRIS DOCSIS 2.0 / PacketCable 1.0 Touchstone Telephony Modem HW_REV: 02
VENDOR: Arris Interactive, L.L.C.
BOOTR: 5.01
SW_REV: 6.1.120
MODEL: TM502G
Product Type: 00000006 010a3aa2
Product Release: 00000002
Flash Part: AM29LV320MB
Download Revision: 2
Firmware Revision: 6.1.120
Serial Number: 74PBMU5C4233299
Battery Charger FW Rev: 02.21

MTA Hardware Information
Mta Serial Number 74PBMU5C4233299
Mta Type Identifier pktc1.5:05220101010201020901010B0A010305060708090A0B0C0C01000D010110010912020007

Firmware Build and Revisions
Firmware Name: TS0601120_051211_MODEL_4_5
Firmware Build Time: Thu May 12 11:39:06 EDT 2011

Just did a speedtest:



Right now I'm uploading a 1.5 Gig file and I'm going to download it back to see if I can replicate this. This may be a completely different thing. Wonder if it's Power Boost kicking in and out. I'm also in Oklahoma City.

Hoss
Sauters A Walrus

join:2000-10-05
Tulsa, OK
reply to bigd0g

Might be time for both of you to look into a Docsis 3 modem/EMTA. That solved my slowdown issues. I used to have an Arris EMTA (have Cox phone). Just have them issue you D3 EMTA (I'm using a Cisco DPQ4212).


bigd0g

join:2001-08-09
Middletown, RI
reply to bigd0g

After manually verifying all my signal levels are well above tolerances based on literature on the web, I've decided to take your advice and purchase a DOCSIS 3.0 modem.

I'll have the Motorola SB6121 SURFboard by friday. Ordered off Amazon with Prime Shipping.

I'll let you know if this solves my problem.


codydog

join:2001-11-29
Newport, RI
Reviews:
·Verizon FiOS
reply to bigd0g

I've recently had some marked slowdowns during the day as well. My guess is Cox is doing some sort of infrastructure work in anticipation of their new speed levels.

I'm on Ultimate, but some afternoons recently speeds have dropped me into the high 20s/low 30s and then bounce back up. And yes, running a Cisco dpc3010.

But even with higher speeds, Cox needs to drop latency into Verizon type latency numbers or this long standing Cox customer is leaving too.


bigd0g

join:2001-08-09
Middletown, RI
reply to bigd0g

Following up after the installation/activation of my Motorola SURFboard SB6121 modem, I'm seeing improved line stability readings and dramatic improvements in upload/download speed.

Fastest reading from SpeedTest.net this morning shows...




32+ Mbps down / 12+ Mbps up

Very happy with the new modem, which I purchased new from Amazon for less than $90 USD.

Cheers!