paolo bevilacqua Tue, 03/03/2009 - 16:47
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T1 it's purely layer 1.

Frame-relay is layer 2 for example.

rayroyaleverest Tue, 03/03/2009 - 17:26
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What Layer 2 technologies are commonly used with T-1 to provide WAN connectivity? Please provide a link to a discussion about this topic.

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ohassairi Tue, 03/03/2009 - 21:33
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with T1 you can configure many L2 protocols:

PPP (synchronous and asynchronous)

HDLC

X25

frame relay...


paolo bevilacqua Wed, 03/04/2009 - 02:31
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Nitpick on ohassairi's answer, PPP on T1 is always synchronous.

ohassairi Wed, 03/04/2009 - 21:00
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thank you p.bevilacqua for the correction.

i confused it with WIC-1T !!!

rayroyaleverest, please consider my answer for WIC-1T. i am not sure about T1.

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