3EM23952AA
Issue 01, September 2009
UDS-101
MSS-8 Microwave Service Switch Shelf
3-9
MSS-8 shelves equipped with P8ETH modules, the main P8ETH is required in 
slot 3 for unprotected configurations. For protected P8ETH applications, the 
main P8ETH module is required in slot 3 and the spare (protection) P8ETH is 
required in slot 4.
See figure 101-7 to see an example of the MSS-8 shelf configured as an all 
indoor mount, 1+0 4-way junction in slot 3, with a pair of P32E1DS1s in slots 
5 and 6 in the protected 1+1 EPS configuration. 
Figure 101-6. MSS-8 Stand-Alone Shelf, Equipped with P32E1DS1
950-0008-1
072209
CSM
(Protect)
P2E3DS3
(Main)
P2E3DS3
(Protect)
P2E3DS3
(Main)
P2E3DS3
(Protect)
P2E3DS3
(Unprotected)
P2E3DS3
(Unprotected)
CSM
(Main)
Fan
92
4
6
8
1
3
5
7