Well... In North America a PRI is a T-1, but a T-1 is not necessarily a
PRI. The T-1 will provide 1.536 Mbps in usable bandwidth, assuming it
is using B8ZS linecoding... The PRI will offer 1.472 if it is
configured as 23B+D (and the underlying T-1 is B8ZS)... Hope this helps
some.
-Ben
>
> Actually they are both one and the same. The coding in the way the T1 is
> setup at the CO makes it viable to be used as a T1. Both provides 1.544mbs
> bandwidth. The test is wrong unless it gears towards voice technology.
>
> Derek S. Winchester
> Sr. WAN Engineer(CCNP)
> Data Communications
> [EMAIL PROTECTED]
> Phone: 410-953-4887
> Cell: 443-562-3456
>
> -----Original Message-----
> From: NetEng [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, September 28, 2000 10:44 AM
> To: [EMAIL PROTECTED]
> Subject: PRI vs T1
>
> Is there a difference between a PRI and a T-1? What has 23B + 1D? What one
> has 24B? The reason I ask is I have a practice question that asks, "what
> provides 1.544Mbs bandwidth." PRI and T-1 are answers, but only PRI is the
> correct answer (according to the test). What's the final answer????
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