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  9. 3.2.3 Confirming the Delivered Components of the Expansion Rack

3.2.3 Confirming the Delivered Components of the Expansion Rack


3.2.3 Confirming the Delivered Components of the Expansion Rack
The expansion rack is a dedicated rack necessary for connecting multiple SPARC M12-2S units together via a crossbar box. In the expansion rack, a dedicated receptacle box for supplying power (PDU), a crossbar box, crossbar cables, and XSCF cables are mounted as standard.
There are two types of expansion racks, namely expansion rack 1 and expansion rack 2. Expansion rack 1 is used for up to 8BB, and expansion rack 2 is used from 9BB up to 16BB configuration.
Figure 3-1 is a list of accessories for expansion rack 1 and expansion rack 2. Figure 3-2 is a list of connecting kit components supplied with expansion rack 2.
Figure 3-1  Accessories for Expansion Racks 1 and 2
Figure 3-1  Accessories for Expansion Racks 1 and 2
*1 Power cord for the single-phase power feed model
*2 Power cord for the three-phase delta power feed model
*3 Power cord for the three-phase star power feed model
Table 3-6  Reference: List of Accessories for Expansion Rack 1
Number in Figure Name Quantity Remarks
1 to 3
PDU power cord (for connecting PDU and customer facilities)
8 or 6
(*1)
4 Binding band 8  
5 Hook-and-loop fastener strip
1 set
 
6 Cage nut attachment tool 1  
7 Key (for both front and rear doors) 2  
8 Cable holder (F) 10  
9 Cable holder (R) 2  
10 M5 flathead screw (for attaching cable holder) 12  
11 M5 core spring nut (for attaching cable holder) 12  
12 Protection bushing (for top cover opening) 3  
*1 Eight cables are supplied for the single-phase power supply, and six cables for the three-phase power supply.
Table 3-7  Reference: List of Accessories for Expansion Rack 2
Number in Figure Name Quantity Remarks
1 to 3
PDU power cord (for connecting PDU and customer facilities)
8 or 6
(*1)
4 Binding band 8  
5 Hook-and-loop fastener strip
1 set
 
6 Cage nut attachment tool 1  
7 Key (for both front and rear doors) 2  
8 Cable holder (F) 10  
9 Cable holder (R) 2  
10 M5 flathead screw (for attaching cable holder) 12  
11 M5 core spring nut (for attaching cable holder) 12  
12 Protection bushing (for top cover opening) 3  
13 Crossbar unit 2 (*2)
- Connecting kit
1 set
(*3)
*1 Eight cables are supplied for the single-phase power supply, and six cables for the three-phase power supply.
*2 If this component is ordered at the same time as expansion rack 1, it is shipped mounted in a crossbar box. Otherwise, it is an accessory.
*3 This is an accessory. For details, see Figure 3-2.
Figure 3-2  Connecting Kit Components
Figure 3-2  Connecting Kit Components
Table 3-8  Reference: List of Connecting Kit Components
Number in Figure Name Quantity Remarks
1 Lower coupling bracket 2  
2 Upper coupling bracket 2  
3 Horizontal coupling seal 1 1 Length: 880 mm (34.6 in.)
4 Vertical coupling seal 1 2 Length: 1000 mm (39.4 in.)
5 Vertical coupling seal 2 2 Length: 860 mm (33.9 in.)
6 M6 core spring nut 8 For connecting lower part
7 M6 flathead screw 8 For connecting lower part
8 M12 hexagon head bolt 4 For connecting upper part