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Chatter about DOCSIS, provisioning, networks, and CMTS gear.

Vanished MAC in Arris CM820""B"" ?

Forums: 

Hi!

I just got a bunch of CM820B modems. There is an interesting thing about those. I used to read by snmp an address from the CM's using:

snmpwalk -v1 -c community 10.130.0.123 .1.3.6.1.2.1.17.4.3.1 and I have always got smth like that:
(any modem, any vendor)

Problem with motorola BSR 1000

Forums: 

Hello everyone,

I have a problem with motorola BSR 1000, is quite similar to the one in this post http://docsis.org/node/457.

when I tryed to accces the BSR trough console, nothing appeared on the screen so i hit the reset button and this appeared.

VxWorks System Boot

Copyright 1984-1998 Wind River Systems, Inc.

CPU: RDN CMTS 740/750
Version: 5.4
BSP version: 1.1/0
Creation date: Jan 25 2002, 16:46:43

FS: Motorola BSR 2000 & Terayon BW 3230/3240 pair

Forums: 

Hello everyone!

We have for sale,

3 Motorola BSR 2000 CMTS Router's $2100 USD each

1 Terayon BW 3230 Switch Control Unit and BW 3240 CMTS Servers Pair w/Manual $1500 USD

Please see http://look-sales.com for more info. We are flexible with the price and will except any reasonable offers.

We are located in Toronto, Canada and if you are in the area we can always arrange for you to drop by and see the equipment we have.

You can contact us at: sales@look-sales.com

How phy command work

Forums: 

Hello everyone.

Apex1000 ***FAILURE - Error programming MUX FPGA(s)

Forums: 

I started getting this error and the QAMs are not seen anymore. I just recently swapped out the QAMs with known good ones from ones that were failing and everything looked fine with the known good ones until I rebooted the unit and now I am seeing the following on bootup.

BSR64000 breakdown

Forums: 

Backplane of our BSR64K is a little damaged, but each card (SRM4, 2*TX32, HSIM) seems to boot normally (seen on serial port of each).
SRM has detected each card as I/O RM module with an x, but doesn't detect the type of card.

SRM is resetting regularly the HSIM and the two TX32 cards, with ipc problems.

Looking for CM and MTA config file sample for Cisco EPC3208G

Forums: 

Hi There,

We have obtained a number of these modems and I am looking for a provisioning guide or sample CM & MTA config files.
We provision our MTAs using a seperate MTA config file. We have Hitron and Technicolor eMTAs on our network with no issues.

Many thanks,

Q.

Return correction rate delay Euro-Docsis 3.0

Forums: 

Hello,
Someone here know how good the correction mechanism is for a normal CMTS receiver in docsis 3.0? how fast is the QAM correction mechanism? does it gives higher ping if there is for example 100% corrected of the signal? if so, how much?

I want to run returnsignal with QAM256 in a difficult network, if we could have correctables in plenty; maybe it would work even with low return SNR
Frequency 30->60[MHz].

ubr7246vxr docsis 2 throughput

Forums: 

I have a ubr7246vxr with mc28u setup where modems lock on, but i am limited to 10Mb down and 2Mb up. Single modem using ftp across the connection to test throughput.

Cable Modem Moto SB6141-RB

LLV-cmts-VXR#sh cable modem
MAC Address IP Address I/F MAC Prim RxPwr Timing Num BPI
State Sid (dBmv) Offset CPE Enb
f80b.bede.61aa 10.1.114.23 C5/0/U0 online(pt) 27 0.00 1492 1 Y

Possible DSG issue?

Forums: 

Hi Guys! I'm new here.

I could use some assistance troubleshooting a possible DSG problem on Arris E6000.
My STB seem to not be in two way mode. The CM portion of the STB register fine, they get IP addresses, and I can ping the addresses across the network. But they are not getting guide data, and their time is showing wrong. The DSG counts in the CMTS are not incrementing at all. But the DSG configuration seems to be fine. Right now it is running in DSG 2.0. The STB in question are MotoDCX3600.

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