Model 7020 Digital I/O Interface Card is employed to switch the digital signals used to set the phone to various operating modes during testing.
利用一块7020型数字I/O接口卡来切换测试期间用以将电话设置为各种工作模式的数字信号。
Model 7020 Digital I/O Interface Card is employed to switch the digital signals used to set the phone to various operating modes during testing.
利用一块7020型数字I/O接口卡来切换测试期间用以将电话设置为各种工作模式的数字信号。
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