Cable Modem issue Arris Surfboard SB6190

[owenkalu]

Hi,

I have had a lot of issues with my Arris SB6190 lately dropping the internet connection.  Sometimes it helps to do a reboot other times it doesn't.   I did a factory reset of the modem. That didn't seem to help right away but the modem is currently working now.  I am just afraid it is going to drop the internet again.  I had issues like this with an older cheap cable modem and I replaced it with this one which has worked great with few issues for at least the last year. 

One thing I noticed checking connections is that on the outside of my house I have a cable with a coupler joining the two cables together.  I tried to push the cables together better.  Wondering if the recent cold weather could have caused some issues with that connection.

See status details below.  Please let me know if you see anything that is really out of wack.  Thanks.

__________________________________________________________________

Status

The statuses listed show the connection state of the cable modem. They are used by your service provider to evaluate the operation of the cable modem.

Startup Procedure
Procedure	Status	Comment
Acquire Downstream Channel		Locked
Connectivity State	OK	Operational
Boot State	OK	Operational
Configuration File	OK
Security	Enabled	BPI+
DOCSIS Network Access Enabled	Allowed

Downstream Bonded Channels
Channel	Lock Status	Modulation	Channel ID	Frequency	Power	SNR	Corrected	Uncorrectables
1	Locked	256QAM	17	591.00 MHz	-3.40 dBmV	38.98 dB	1978	1239
2	Locked	256QAM	1	483.00 MHz	-1.10 dBmV	40.95 dB	11	0
3	Locked	256QAM	2	489.00 MHz	-0.90 dBmV	40.37 dB	8	0
4	Locked	256QAM	3	495.00 MHz	-1.00 dBmV	40.37 dB	7	0
5	Locked	256QAM	4	507.00 MHz	-0.80 dBmV	40.37 dB	0	0
6	Locked	256QAM	5	513.00 MHz	-1.10 dBmV	38.98 dB	0	0
7	Locked	256QAM	6	519.00 MHz	-0.40 dBmV	40.37 dB	0	0
8	Locked	256QAM	7	525.00 MHz	0.00 dBmV	40.37 dB	0	0
9	Locked	256QAM	8	531.00 MHz	0.00 dBmV	40.95 dB	4	0
10	Locked	256QAM	9	543.00 MHz	-0.90 dBmV	38.98 dB	0	0
11	Locked	256QAM	10	549.00 MHz	-0.70 dBmV	38.98 dB	1	0
12	Locked	256QAM	11	555.00 MHz	-0.50 dBmV	40.37 dB	1	0
13	Locked	256QAM	12	561.00 MHz	-0.60 dBmV	40.37 dB	10	0
14	Locked	256QAM	13	567.00 MHz	-1.80 dBmV	38.61 dB	0	0
15	Locked	256QAM	14	573.00 MHz	-2.00 dBmV	40.37 dB	0	0
16	Locked	256QAM	15	579.00 MHz	-1.80 dBmV	40.37 dB	0	0
17	Locked	256QAM	16	585.00 MHz	-1.80 dBmV	40.37 dB	1	0
18	Locked	256QAM	18	597.00 MHz	-3.60 dBmV	38.98 dB	0	0
19	Locked	256QAM	19	603.00 MHz	-3.10 dBmV	38.98 dB	2	0
20	Locked	256QAM	20	609.00 MHz	-2.40 dBmV	38.98 dB	0	0
21	Locked	256QAM	21	615.00 MHz	-2.40 dBmV	40.37 dB	0	0
22	Locked	256QAM	22	621.00 MHz	-3.00 dBmV	38.98 dB	0	0
23	Locked	256QAM	23	627.00 MHz	-3.80 dBmV	38.61 dB	1	0
24	Locked	256QAM	24	633.00 MHz	-4.00 dBmV	38.98 dB	0	0
25	Locked	256QAM	25	639.00 MHz	-4.20 dBmV	38.90 dB	0	0
26	Locked	256QAM	26	645.00 MHz	-4.80 dBmV	38.90 dB	1	0
27	Locked	256QAM	27	651.00 MHz	-5.40 dBmV	38.90 dB	1	0
28	Locked	256QAM	28	657.00 MHz	-5.60 dBmV	38.60 dB	0	0
29	Locked	256QAM	29	663.00 MHz	-6.10 dBmV	38.60 dB	2	0
30	Locked	256QAM	30	669.00 MHz	-5.30 dBmV	38.60 dB	3	0
31	Locked	256QAM	31	675.00 MHz	-5.40 dBmV	38.60 dB	0	0
32	Locked	256QAM	32	681.00 MHz	-6.10 dBmV	38.20 dB	7	0

Upstream Bonded Channels
Channel	Lock Status	US Channel Type	Channel ID	Symbol Rate	Frequency	Power
2	Locked	ATDMA	4	5120 kSym/s	23.70 MHz	57.00 dBmV

[CCAndrew]

You only have 1 out of a possible 3 or 4 upstream channels. And the one you have is way out of spec. Do you have extra splitters that you can remove? It may be that coupler you spotted is corroded, and you may have to have a tech out. Your docsis channels are also gradually losing signal as the frequencies get higher