Cable Forum - View Single Post - 350M Are Post-RS errors acceptable? Will VM care?

Sephiroth · 20-06-2018, 18:53

To explain the OP's particular post-RD errors:

When the hub reboots, the first moments are chaotic. Data is pouring in, but the modem hasn't yet sync'd with the CMTS at the VM end. So, with the synchronisation taking place at the same time, corrupt data occurs hence the post-RS errors. Sometimes they will be as high as the pre-RS errors.

As mentioned by Jon22, if post-RS errors are mounting during normal data sessions, then there is a problem and would be signalled by poor SNR on one or more channels. One buggered channel makes all the associated data useless.

20-06-2018, 18:53	#6
Sephiroth Sulking in the Corner Join Date: Jul 2009 Location: RG41 Services: 1 Gbps; Hub 4 MM; ASUS RT-AX88U; Ultimate VOLT. BT Infinity2; Devolo 1200AV Posts: 11,955	Re: Are Post-RS errors acceptable? Will VM care? To explain the OP's particular post-RD errors: When the hub reboots, the first moments are chaotic. Data is pouring in, but the modem hasn't yet sync'd with the CMTS at the VM end. So, with the synchronisation taking place at the same time, corrupt data occurs hence the post-RS errors. Sometimes they will be as high as the pre-RS errors. As mentioned by Jon22, if post-RS errors are mounting during normal data sessions, then there is a problem and would be signalled by poor SNR on one or more channels. One buggered channel makes all the associated data useless. __________________ *Seph.* My advice is at your risk.