转码卡设计分为软件和硬件两部分。
The design of transform card is divided into two part, software and hardware.
但由于各设备接口协议不同，故需要通过网关(转码卡)实现连接。
However due to the difference of the interface devices, the gate which called transform card is need.
但由于各设备接口协议不同，故需要通过网关(转码卡)实现连接。
However due to the difference of the interface devices, the gate which called transform card is need.
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