Overview Connect a TLNETEM module to a Tripp Lite TLNETCARD on a compatible UPS system and gain the ability to monitor your networks environmental conditions from anywhere in the world. The TLNETEM contains a temperature and humidity sensor as well as a dry contact interface to monitor up to four compatible devices, such as smoke detectors, fire alarms and security systems. By ensuring the optimum environment in your network closet or data center, the TLNETEM helps prevent equipment failure and costly downtime caused by excessive heat and high-humidity conditions.