BX900 S2 Upgrade and Maintenance Manual 141
Connection blades
Supported combinations for connection blade stacks
The following table shows the possible combinations of connection blade
stacks. Columns a - f contain permissible numbers and distributions of the
connection blades for the different combinations of BX900 S2 system units and
racks.
Rack (R)
System
unit (Z)
Fitting variants of connection blades
abcde f
1 rack, 1 system unit R1 Z1 2 4 6 8
1 rack, 2 system units R1 Z1 2 4 6 2 4 2
Z2 222446
1 rack, 3 system units R1 Z1 2 4 2 2
Z2 2 2 4 2
Z3 2 2 2 4
1 rack, 4 system units R1 Z1 2
Z2 2
Z3 2
Z4 2
2 racks, 2 system units R1 Z1 2 4 6 2 4 2
R2 Z2 2 2 2 4 4 6
2 racks, 3 system units R1 Z1 2 4 2 2
R1 Z2 2242
R2 Z3 2224
2 racks, 4 system units R1 Z1 2
R1 Z2 2
R1 Z3 2
R2 Z4 2
3 racks, 3 system units R1 Z1 2 4 2 2
R2 Z2 2242
R3 Z3 2224
3 racks, 4 system units R1 Z1 2
R1 Z2 2
R2 Z3 2
R3 Z4 2