Abstract: Application note 400 describes how to connect the Dallas Semiconductor DS2155 single chip transceivers (SCTs) in a monitor mode interface. In monitor mode, the T1/E1 line is tapped by a secondary receive circuit to monitor the data flow. In monitor mode, a pair of resistors are used to split the signal from the main T1/E1 line to the monitor path. While there is an insignificant drop in the signal level of the main T1/E1 line, the monitor path can be orders of magnitude lower than the original signal. To compensate for the signal loss, the transformer winding can be altered or the receiver can integrate an active linear (flat) gain amplifier. Either of these methods will provide an additional signal boost. To simplify the external receive circuit design, the DS2155 was created with integrated linear-gain amplifiers. This application note contains the general overview of the monitor mode application and also the specifics on how to properly design and program the DS2155. 你所查询的应用笔记提供Acrobat PDF格式： APPLICATION NOTE 400:DS2155 Monitor Mode Design (PDF, 140kB) 免费Acrobat PDF阅读软件可从以下网站获得： http://chinese-s.adobe.com/products/acrobat/readstep2.html 相关型号   APP 400: Mar 13, 2003 DS21455 四路T1/E1/J1收发器 完整的数据资料 (PDF, 1.8MB) DS21458 四路T1/E1/J1收发器 完整的数据资料 (PDF, 1.8MB) DS2155 T1/E1/J1单芯片收发器 完整的数据资料 (PDF, 2.0MB) 免费样品 DS21Q55 四路T1/E1/J1收发器 完整的数据资料 (PDF, 1.4MB) 自动更新 需要自动接收最新发布的应用笔记吗？请订阅EE-Mail™ (English only)。 我们期待您的反馈！ 喜欢？不喜欢？有待改善？或为我们提供建议？请与我们联系 — 我们将根据您的意见或建议改善我们的工作。 网页评价或提供建议   下载，PDF格式 (140kB)  AN400, AN 400, APP400, Appnote400, Appnote 400