Product information:

Dual Slot Base Management Module
The CPSMM-200 should be used when the user intends to manage multiple stacked chassis (up to 8 chassis per stack) via a single IP or if the application requires an FCC/CISPR Class B rating.

This device occupies two slots in a Point System chassis and will also fully support all management features. The CPSMM-200 has a DB-9 serial interface as well as a 10BASE-T interface similar to the CPSMM-120. However, it also includes two (2) additional RJ-45 ports ("in" and "out") to accommodate stacking of multiple Point System Chassis. The CPSMM-200 also differs from the CPSMM-120 in that it is FCC/CISPR Class B rated (can be used in residential applications.)