.


:




:

































 

 

 

 


.25




 

.25, , . , , : - ISDN .25 1997 ., - : 2 /, m=32768, , - HDLC, PAD-, -, .164.

. . .25 . - : DTE - . , n×64 /, - 9,6 - 48 /, ISDN - 128, 384, 1536 1920 /. , .25 , : 2,4-2048 /.

.25 . , ( ) . 0,6 ( ). - , , .

.25 TCP/IP, , . : TCP/IP , .25

 

. , .25 IP-, - IP .25, 1.25. .25 IP , .

.25, FR, ATM, IP, ISDN .25 , .

.25 Ethernet () (NM) (TMN) SDH. -, , IBM SUN, .

1.25 TCP/IP .25, IP , "-".

 

 

-----------------------------------

 

4-1. .25?

4-2. OSI .25?

4-3. NACK .25?

4-4. .25?

4-5. .25?

4-6. .25?

4-7. .25 ?

4-8. LAPB?

4-9. , ?

4-10. .25?

4-11. .25?

4-12. ( .25), ?

4-13. .25?

4-14. .25?

4-15. ., .28, .29 .75?

 

 

5





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