PDII "-", 140 /, ( : 2→8, 8→34 34→140), . .
, PDH 80- . . 140 / , , 1920 (64 /), , .
(, - ) "" 64 32 /, 1 1 48 60 , . 16, 8, , 6.3/5,3 / (. G.723.1). ITU-T .
, , PDII ( ) , , , 64 / .25. , PDH . . PDH .
PDH , , , 64 / 2 /, "" 140 /, , "", . "" "" . - / PDH . 64 / 2 / 140 /, , 64 / 2 / 140 /.
/, PDH- / ( ) .
|
|
( 2 /) .8-7.
.8-7. / 2 / / 140 / PDH
, / (2 / 64 /) , , .
PDH - , PDII .
-------------------------------------
8-1. PDH, ?
8-2. 1 1 "" 1/1 ?
8-3. PDH : 1,5 6 /, .. ?
8-4. - TDM ? "", , ?
8-5. ?
8-6. , ?
8-7. PDH?
8-8. - 1 , - ?
8-9. 2, 1, -?
8-10. - ?
8-11. G.703, ?
8-12. . G.703 64 /?
8-13. , PDH?
8-14. PDH, SDH, SDH?
8-15. PDH ATM?
9
(SDH)