No.  | Description  | No.  | Description  | 
|---|---|---|---|
1  | PSU  | 8  | HVP  | 
2  | Main Power Switch  | 9  | Cooling Fan  | 
3  | NFC Board  | 10  | PSU Fan  | 
4  | Speaker  | 11  | Wireless LAN  | 
5  | OPRB (Operation Panel Relay Board)  | 12  | CTL  | 
| 6 | Fusing Fan | 13 | EGB | 
| 7 | New PCDU Detection Board | - | - | 
No.  | Description  | No.  | Description  | 
|---|---|---|---|
1  | PSU  | 8  | HVP  | 
2  | Main Power Switch  | 9  | Cooling Fan  | 
3  | NFC Board  | 10  | PSU Fan  | 
4  | Speaker  | 11  | Wireless LAN  | 
5  | OPRB (Operation Panel Relay Board)  | 12  | CTL  | 
| 6 | Fusing Fan | 13 | EGB | 
| 7 | New PCDU Detection Board | - | - |