OptiX OSN 8800/6800/3800 
Hardware Description 
 
Huawei Proprietary and Confidential                                     
Copyright © Huawei Technologies Co., Ltd. 
 
 
 
These two types of subracks cannot be exchanged. 
 
Board area: All the boards are installed in this area. 50 slots are available. 
 
Fiber cabling area: Fiber jumpers from the ports on the front panel of each board are 
routed to the fiber cabling area before being routed on a side of the open rack.   
 
Fan tray assembly: Fan tray assembly contains three fans that provide ventilation and 
heat dissipation for the subrack. The front panel of the fan tray assembly has four 
indicators that indicate subrack status. 
 
Air filter: It protects the subrack from dust in the air and requires periodic cleaning.   
 
Fiber spool: Rotable fiber spools are on two sides of the subrack. Extra fibers are coiled 
in the fiber spool on the open rack side before being routed to another subrack. 
 
Mounting ears: The mounting ears attach the subrack in the cabinet. 
4.3.2 Slot Description 
The OptiX OSN 8800 T32 subrack provide 50 slots. 
Slots of the OptiX OSN 8800 T32 subrack are shown in Figure 4-12.