20 Evolution Series - XPAND NGP\00329 Rev. C 23-06-2006
3.4. Node configuration
Evolution series XPAND can be configured as a traffic node with up to eight unprotected or four
protected antenna directions. The node performs digital x-connect of traffic at E1/T1 level between the
directions.
This node can be connected to a SDH/SONET system by using the STM-1/OC-3 LIU in combination
with a DXC plug in unit.
Figure 3-4 System Block Diagram XPAND Traffic Node