   830    IP .
    MAC-   :
1.     .
2.     T4.80G   .
3.  MP20  MP40      MAC-   .
4.  .
5.   MAC   MMC830   .
 -   MAC Write.
 -   MAC .
 -        MAC   .
6.    System Reset  MMC830.
7.       V4.80     T4.80G.
8.      1.