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Technology Stocks : AUTOHOME, Inc

ATHM 22.04

-4.0%

Jan 30 9:30 AM EST

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To: Frank A. Coluccio who wrote (23115)	6/12/2000 12:01:00 AM
From: KailuaBoy	Read Replies (1) of 29970

Frank, OTOTOTOTOT The introduction of the B8ZS line coding option (replacing AMI) happened around the same time,I believe, as ESF (extended super frame) replaced D4 as the default framing option. The line cards used by the phone companies were optionable at the T2 level which caused problems for years. What happened is that new customers were provisioned B8ZS/ESF and they would be put onto facilities that had D4/AMI optioned customers already running on them. The technicians had a couple of choices. Change the entire card to B8ZS/ESF thereby taking any D4/AMI customers out of service, leave the card alone and put the customer onto the card with the incorrect optioning which would shift the problem to the tech assigned to test and complete the circuit, and third they could send the circuit back for redesign. Option three rarely happened. We should talk timing schemes and the differing stratum levels. That's cool stuff as well. KB ps. I didn't know about the problems arising from uneven electrical loads. Were the leveling "bogus bits" identified at the receiving end of the transmission via leveling algorhythms?

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