interpreting pre-eq data | docsis.org

You are here

interpreting pre-eq data

3 posts / 0 new
Last post
derytelecom
interpreting pre-eq data

Hi

does anyone have some informations on how to interpret the data collected from modem when pre-eq is activated

for example

SNMPv2-SMI::transmission.127.1.2.2.1.17.2 = Hex-STRING: 08 01 18 00 00 26 FF 94 FF CC 00 B4 00 48 FF 2E
FF 89 01 85 00 A3 FD 59 FF 21 05 2D FE E1 EE CA
7D 58 00 00 01 C6 EE 77 FD 1E 01 76 02 48 FD 6F
00 6F 00 9C FF BF 00 34 FF FA 00 33 00 00 FF BF
00 1B 00 0D FF EF FF EC FF C8 00 78 FF D4 00 3C
FF DB 00 0B FF EF 01 37 00 13 FF FB FF ED 00 08
00 8D 00 58

this modem was helped by pre-eq so we know there is something to repair there.
it had packet loss before but not after so pre-eq is helping

I know there is a software here that can decode the data

http://www.msarmento.com.br/pre_eq.php

But I want to have a script loop throught the modems and point out the ones that need more attention

thanks

wittmann
CableLabs PNM

Check out CableLabs PNM Documents. There is nearly all what you need to understand the hexdump:

https://apps.cablelabs.com/specification/proactive-network-maintenance-u...

Get the latest version (I03) and take a look at chapter 6: METHODOLOGY FOR PNM USING UPSTREAM EQUALIZATION

Enjoy!

Best regards,

derytelecom
Thanks I will look into that

Thanks

I will look into that