华为设备办卡类型：
<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业务板卡
SPU（Service Process Unit）是交换机的增值业务板，提供负载均衡、防火墙、NAT（Network Address Translation ）、IPSec（IP Security）、NetStream等业务功能，满足多种行业网的应用场景需求。http://support.huawei.com/enterprise/docinforeader.action?contentId=DOC1000069552&idPath=7919710|9856733|7923144|16531|7341888|21099479|21099481
MPU 主控板
SFU 交换网板
CLK 时钟接口
PWR 电源
FAN 风扇
LCD 液晶显示板
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