1.the first to sixth slots and the ninth to fourteenth slots are totally twelve slots that arbitrarily are reserved for branch dish and other business dish which provide E1、V.35 and Ethernet interfaces.
2.business stabilization: channels and fiber protection ensure working well.
absolute telecom bus: two absolute telecom buses connected to two optical dish in every slots resolves stabilization puzzles because of common used buses.
3.arbitrary bandwidth justment: maximum bandwidth reaches one hundred and twenty six VC-12 as to transfer clearly.
top protection: special bus connection with RC7883F,convenient construction of four ADM devices.
MSAP chassis(19inch/6U)totally has 17slots, including : 2 up-link optical platform, 2 crossing platform, 1 SNMP platform (consist of 1 SNMP module and 1 public module, 1+1 protection), and 12 service platform