Siemens HiPath 3000 Service Manual page 128

boards.fm
Boards for HiPath 3000
Central Boards
Calculating the number of LUNA2 modules required
The number of LUNA2 modules required in relation to the number and type of peripheral
boards installed can be calculated using the following table.
Table 3-26 Determining the Number of LUNA2 Modules Required Per Cabinet
Basic cabinet
Expansion cabi-
net
Examples for a one-cabinet system:
a) Basic cabinet with CBSAP and peripheral boards (without STMI2, SLMA or SLCN)
A single LUNA2 can supply a CBSAP and up to four peripheral boards.
●
A second LUNA2 is required for five or more peripheral boards.
●
A third LUNA2 can be used as a battery charger or as a redundant LUNA2.
●
b) Basic cabinet with CBSAP and peripheral boards (with STMI2, SLMA and/or SLCN)
Two LUNA2s are always required to supply a CBSAP, peripheral boards and
●
STMI2, SLMA and/or SLCN.
A third LUNA2 can be used as a battery charger or as a redundant LUNA2.
●
3-62
Number of peripheral
boards per cabinet
< 5
< 5
5
5
< 5
< 5
5
5
10
10
STMI2, SLMA and/or
SLCN available
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
P31003-H3550-S403-4-7620, 02/05
HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
Number of
LUNA2s required
per cabinet
1
2
2
2
1
2
2
3
3
3