DS2409P/T&R,接口 - 专用
DS2409P+,
DS2411P,序列号注册
DS2411P/T&R,序列号注册
DS2411P+,IC SILICON SERIAL NUMBER 6-TSOC
DS2411P+T&R,IC SILICON SERIAL NUMBER 6TSOC
DS2411R/T&R,序列号注册