He examined the wiring scheme carefully.

他仔细检查线路图。

Compareing with single fingerprint Door-lock system, utilizing this scheme, we have three merits: 1, it can decrease system cost, we do not need other special wiring where there is exit network.

和以往的指纹门禁单机系统相比，利用此方案，有以下优点：1可以节省系统成本，采用以太网结构对很多已有以太网网络系统的地方，不需要另外的专门布线，安装简单方便，便于扩容。

Electronic type lamp holder, need to remove the circuit part, rewiring, wiring principle scheme as follows.

电子式灯座，需除去里面电路部分，重新布线，布线原理图如下。