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B1 line

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limejudo

Technical User
Aug 4, 2004
110
US
Have anyone ever heard of a "b1"? If so what is it?

Eric - A+, Net+, INet+ CCNA next week.
Network Admin/Helpdesk II
 
Hmmm I've seen Some BRI's done with just 1 B + D so it is possible. Kinda vauge though
 
I agree, never heard that term, but 1B+D exists and maybe that is what they mean.

 
B1 generally refers to the first 64K data channel of an ISDN line whether it's 2B+D (ISDN 2/BRI) or 30B+D (ISDN 30/PRI)

eg in a PRI there's B1 thru B30 - in a BRI there's just B1 and B2

 
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