The present invention is related to a network interface device 10 and a network interface module 50 for mounting therein. The network interface device 10 features two covers 12, 32. The first cover 32 restricts access to the service provider section of the device, and the second cover 12 covers both...http://www.google.de/patents/US5901220?utm_source=gb-gplus-sharePatent US5901220 - Network interface device
