The multi BRI device can be looked upon as a universal hardware platform with plenty of line resource that can supply not more than 8 independent BRIs or random combinations of these 8 BRIs for various high layer applications.

• 该设备可以看作是一个提供了丰富线路资源的通用硬件平台 ；它提供至多 8个基本速率接口或其中任意几个基本速率接口的任意组合 ；为不同的高层应用服务 .