下列哪些是M600的特点()。
A、A. 成本低
B、B. 透明性,传输业务种类多;(Transparent and various types of transmission service)
C、C. 简单,集成度高;(Simple and highly integrated)
D、D. 具有保护;(With the protection function)
E、E. 没有保护;(Without the protection function)
F、F. 最高速率可达10G (The highest rate can reach 10G)