OptiX OSN 7500 
Technical Manual - System Description  3 Hardware 
 
Huawei Technologies Proprietary 
2-2 
Table 2-1 Cross-connect capacity of the OptiX OSN 7500 
Board  Higher-order 
cross-connect capacity 
Lower-order cross-connect 
capacity 
Access 
capacity  
GXCSA  240 Gbit/s  
(1536 x 1536 VC-4) 
20 Gbit/s (128 x 128 VC-4), 
equivalent to (8064 x 8064 VC-12) 
or (384 x 384 VC-3) 
200 Gbit/s 
(1280 x 
1280 VC-4)
GXCSB  240 Gbit/s  
(1536 x 1536 VC-4) 
40 Gbit/s (256 x 256 VC-4), 
equivalent to (16128 x 16128 
VC-12) or (768 x 768 VC-3) 
200 Gbit/s 
(1280 x 
1280 VC-4)
 
2.1.2  Slots Access Capacity 
The OptiX OSN 7500 provides 22 service slots, with the maximum access capacity of 
200 Gbit/s. Figure 2-1 shows the access capacity of each slot.