|Re: Superframing and ESF ... A Little Confused|
|Robert Bonomi (firstname.lastname@example.org)|
Sun, 16 Jul 2006 02:45:09 -0000
In article <email@example.com>,|
> Hi folks, I could really do with some help with something.
> I'm studying telecoms in particular T1 circuits. Currently its on about
> I've been reading something:
> D4 Voice and Data Signaling
> The transport of signaling states is required in Switched voice or data
> (Switched 56K service). Signaling is accomplished through a "Robbed
> But i cant figure out how they got to 666.66Bps?
> Looking at the diagram on the webpage, the least significant bit in
> Could someone explain this to me.
> Thanks in advance.
How many times per second, on each channel, does 'frame 6' occur?
I don't know where you got that 8000 multiplier from, but it is _way_
A superframe has _12_ frames, each containing 1 sample from each
A superframe passes once every 12/8000 second. this means that there are
Thus, there is 1 bit per superframe *per*channel* used for 'A' signalling,
666.666666 ... superframes /second means 666.6666 ... 'A' bits
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