ES0Z1B06ACS0 S7706基本引擎交流組合配置(含一體化非PoE總裝機箱,SRUA主控板*2,800W交流電源*2)
LE0W01DPDB 直流配電盒組件(共4路40A輸出,單路1600W,含電源線)
新聞:大慶華為模塊化交換機廠家
IN6W18L10A 交流分線盒組件(共8路10A輸出,單路1600W,含電源線)
IM1W24APD 交流分線盒組件(共4路16A輸出,單路2500W,含電源線)
EH1M00PDBS01 直流配電盒組件(共8路60A輸出,單路2200W,含電源線)
EH1FP01 框式交換機假拉手條
ES0DG48CEAT0 36端口十兆/百兆/千兆以太網(wǎng)電接口和12端口百兆/千兆以太網(wǎng)光接口板(EA,RJ45/SFP)
ES0D0X4UXC00 4端口萬兆以太網(wǎng)光接口板(EC,XFP)
ES0D0S24XA00 24端口百兆/千兆以太網(wǎng)光接口和2端口萬兆以太網(wǎng)光接口板(EA,SFP/XFP)
ES0D0G48VA00 48端口十兆/百兆/千兆以太網(wǎng)POE電接口板(EA,RJ45,POE)
ES0D0X4UXA00 4端口萬兆以太網(wǎng)光接口板(EA,XFP)
新聞:大慶華為模塊化交換機廠家
ES0D0G24CA00 24端口百兆/千兆以太網(wǎng)光接口和8端口十兆/百兆/千兆Combo電接口板(SA,SFP/RJ45)
ES0D0X2UXC00 2端口萬兆以太網(wǎng)光接口板(EC,XFP)
ES0D0T24XA00 24端口十兆/百兆/千兆以太網(wǎng)電接口和2端口萬兆以太網(wǎng)光接口板(EA,RJ45/XFP)
ES0D0X2UXA00 2端口萬兆以太網(wǎng)光接口板(EA,XFP)
ES0D0F48TA00 48端口十兆/百兆以太網(wǎng)電接口板(EA,RJ45)
ES0D0G48SA00 48端口百兆/千兆以太網(wǎng)光接口板(EA,SFP)
ES0D0G48SC00 48端口百兆/千兆以太網(wǎng)光接口板(EC,SFP)
ES0D0G48TC00 48端口十兆/百兆/千兆以太網(wǎng)電接口板(EC,RJ45)
ES0D0G48TA00 48端口十兆/百兆/千兆以太網(wǎng)電接口板(EA,RJ45)
ES0D0G24SC00 24端口百兆/千兆以太網(wǎng)光接口板(EC,SFP)
ES0D0G24SA00 24端口百兆/千兆以太網(wǎng)光接口板(SA,SFP)
ES0D00FSUA00 增強靈活業(yè)務(wù)子卡
新聞:大慶華為模塊化交換機廠家
ES0D00SRUB00 S7706/S7712主控處理單元B(可選配時鐘)
ES0D00SRUA00 S7706/S7712主控處理單元A
ES0D0F48TC00 48端口十兆/百兆以太網(wǎng)電接口板(EC,RJ45)
ES0DG48TFA00 48端口十兆/百兆/千兆以太網(wǎng)電接口板(FA,RJ45)
ES0D0X12SA00 12端口萬兆以太網(wǎng)光接口板(SA,SFP+)
ES0DG24TFA00 24端口十兆/百兆/千兆以太網(wǎng)電接口板(FA,RJ45)
EH1D200CMU00 集中監(jiān)控板
ES1D2L02QFC0 2端口40GE以太網(wǎng)光接口板(FC,QSFP+)
ES1D2X04XED0 4端口萬兆以太網(wǎng)光接口板(ED,XFP)
ES1D2G48SFA0 48端口百兆/千兆以太網(wǎng)光接口板(FA,SFP)
ES1D2G48SED0 48端口百兆/千兆以太網(wǎng)光接口板(ED,SFP)
ES1D2X16SFC0 16端口萬兆以太網(wǎng)光接口板(FC,SFP+)
ES1D2X40SFC0 40端口萬兆以太網(wǎng)光接口板(FC,SFP+)
ES1D2X08SED4 8端口萬兆以太網(wǎng)光接口板(ED,SFP+)
ES02VSTSA 集群業(yè)務(wù)子卡
新聞:大慶華為模塊化交換機廠家
ES1D2G24SED0 24端口百兆/千兆以太網(wǎng)光接口板(ED,SFP)
ES1D2G48TED0 48端口十兆/百兆/千兆以太網(wǎng)電接口板(ED,RJ45)
ES1D2G48SBC0 48端口百兆/千兆以太網(wǎng)光接口板(BC,SFP)
ES1D2G48TBC0 48端口十兆/百兆/千兆以太網(wǎng)電接口板(BC,RJ45)
ES1D2S24XEC0 24端口百兆/千兆以太網(wǎng)光接口和2端口萬兆以太網(wǎng)光接口板(EC,SFP/XFP)
ES1D2S08SX1E 8端口萬兆光接口和8端口百兆/千兆光接口和8端口十兆/百兆/千兆combo電接口板(X1E,RJ45/SFP/SFP+)
ES1D2G48TX1E 48端口十兆/百兆/千兆以太網(wǎng)電接口板(X1E,RJ45)
ES1D2S04SX1E 4端口萬兆光接口和24端口百兆/千兆光接口和8端口十兆/百兆/千兆combo電接口板(X1E,RJ45/SFP/SFP+)
ES1D2G48SX1E 48端口百兆/千兆以太網(wǎng)光接口板(X1E,SFP)
ACU2 WLAN ACU2 無線接入控制板(含128 AP控制資源)
ET1D2IPS0S00 入侵防御和入侵檢測業(yè)務(wù)處理板A-含華為通用安全平臺軟件
ET1D2FW00S00 下一代防火墻業(yè)務(wù)處理板A-含華為通用安全平臺軟件
ET1D2FW00S01 下一代防火墻業(yè)務(wù)處理板B-含華為通用安全平臺軟件
新聞:大慶華為模塊化交換機廠家
b電路用的是2N3906三極管，PNP型，同樣把蜂鳴器LS2接在三極管的集電極，驅(qū)動信號是5VTTL電平。由于2N3906其他參數(shù)和2N3904基本一致，因此計算過程不再贅述。以上這兩個電路圖都可以正常工作。的兩個電路和圖一相比，把蜂鳴器接在了三極管的發(fā)射極。在c電路，假設(shè)基極電壓為5V，基極電流Ib=(5V-0.7V-UL)/4.7K，其中UL為蜂鳴器上的壓降。如果UL比較大，那么相應(yīng)的Ib就小，很有可能Ib0.2mA，Ic20mA，無法驅(qū)動蜂鳴器。