User's Manual

Confidential & Proprietary 20/26
2.1.3.6 System interface unit (SIU)
This unit connect with RDU, R CPU, R Optic and RPSU. SIU distributes power and signals to
each module. Each unit need to connected to the correct slot of the SIU.
Figure 10. SIU Outer Look
2.1.4 Bottom of MPROU
2.1.4.1 Functions
Figure 11. The name of each port on the bottom of MPROU