Before you go demand they do something, make sure you are not going to waste your time. B8ZS is of no help on a CT1. The purpose of B8ZS is to ensure timing by preventing lots of consecutive zeros on the line. This can't happen with a CT1. The control bits in each channel will ensure enough ones density to maintain timing. ESF is better than D4 is you are doing monitoring of the line or are going to run advanced diagnostics using test equipment. Not having ESF doesn't hurt untill you have problems then its a benefit. The bad news is that ESF requires that both ends of the line be ESF capable. Many switches aren't ESF capable on CT1s. Marshall Morgan wrote:
If you are paying for it then get what you ordered. Period. Ask them to change it and in the mean time you will use the T1's provided. They are a public utility so make them work for you.
Marshall Morgan
Internet Doorway, Inc (aka NETDOOR) http://www.netdoor.com
-----Original Message----- From: owner-usr-tc@lists.xmission.com [mailto:owner-usr-tc@lists.xmission.com]On Behalf Of Bryan Wann Sent: Saturday, January 22, 2000 12:15 PM To: usr-tc@lists.xmission.com Subject: (usr-tc) AMI/D4 provisioning on CT1
I don't like surprises.
Especially when I order a CT1 provisioned with B8ZS/ESF, and on the day of the turnup the switch tech tells me "oh, your stuff is configured wrong, it needs to be set up for AMI and D4, the DTC you're on can't do B8ZS/ESF on this T. Don't worry, I set your stuff up like everyone else's."
AFAIK, it is a trunk-side circuit (don't hold me to this). We have no problem hitting 45333-50333 both local and long-distance dialing into the TC at this POP, with an assortment of modems.
Will AMI/D4 cause things to break, or should I contact the telco and beg to have it reprovisioned for B8ZS/ESF?
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