查看華爲板卡用途
<SD-RZ-NHDS-S-1.CN2>dis device NE80E's Device status: Slot # Type Online Register Status Primary - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 LPU Present Registered Normal NA 16 SPU Present Registered Normal NA 17 MPU Present NA Normal Master 18 MPU Present Registered Normal Slave 19 SFU Present Registered Normal NA 23 CLK Present Registered Normal Master 24 CLK Present Registered Normal Slave 25 PWR Present Registered Normal NA 27 FAN Present Registered Normal NA 29 LCD Present Registered Normal NA
LPU業務板卡
SPU（Service Process Unit）是交換機的增值業務板，提供負載均衡、防火牆、NAT（Network Address Translation ）、IPSec（IP Security）、NetStream等業務功能，滿足多種行業網的應用場景需求。華爲官方資料：http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000069552&idPath=7919710|9856733|7923144|16531|7341888|21099479|21099481
MPU 主控板
SFU 交換網板
CLK 時鐘接口
PWR 電源
FAN 風扇
LCD 液晶顯示板