3EM23952AA
Issue 01, September 2009
9500 MPR General System Description
2-22
NOTE: Adjacent slot must be same P32E1DS1, MD300 or P2E3DS3 
module for protection. Not all slots may require protection. Any 
P32E1DS1, MD300 or P2E3DS3 module can be installed in any not 
protected slot(s). The Main CSM (Control and Switching Module - Core) 
must always be in slot 1 and the Protect CSM must be in slot 2.
Figure 2-4. MSS-8 Typical Configuration
Figure 2-5. MSS-8 Not Protected Configuration