=?iso-8859-1?q?maine=20dude?= wrote: > > Hi All, > > Quick question I hope you can help me with. > > How many D channels does a PRI have? > > I always thought it was two, but its states 1 in most places. > > Text taken from the CCNP remote access guide (to make it more > confusing): > > there are 30 timeslots, leaving 2 timeslots for signalling and > framing. > Timeslot 0 is used for framing and timeslot 16 is used for > signalling (counting 0-31). E1 PRI makes use of this same > principle. Timeslot 16 is the D channel and timeslot 0 is used > for framing information. Please advise. Regards,DJ > > > > --------------------------------- > With Yahoo! Mail you can get a bigger mailbox -- choose a size > that fits your needs > >
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