The HDLC Protocol Controller can be used as a D-channel interface in a digital line card comprised of multiple DNICs.

HDLC协议控制芯片也可以作为D通道接口，用在包含多个DNIC的数字线路卡上；

youdao

Product Mechanical Dimensions, external electrical signal, communication bus protocol and the standard memory card line, and currently on the market with memory card interface device is compatible.

产品机械尺寸、外部电气信号、通讯总线协议与标准的存储卡保持一致，与目前市场上的带有存储卡接口的终端设备兼容。

youdao

SD card reader and configure the USB interface, user can pass throw in audio line will be it with computers, music, play device to connect.

配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。

youdao

SD card reader and configure the USB interface, user can pass throw in audio line will be it with computers, music, play device to connect.

配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。

youdao