Patent ID: 7010233
Filing Date: 2006-03-07
Classification: G02B,H04B,H04J,H04Q

Abstract:
1. An interface device for a fiberoptic communication network, the interface device comprising: an electric circuit arrangement, a first receiving section for receiving a first transceiver module including a second receiving section for receiving a second transceiver module including a switching unit for switching said electric circuit arrangement between at least a first and a second state, wherein, in the first state the electrical signals from the first receiver unit are conducted to said first transmitter unit and in said second state the electrical signals from said second receiver unit are conducted to said first transmitter unit, and a controller arranged to automatically control the switching unit in response to at least one control signal such that said first state is selected when said at least one control signal indicates either that no transceiver module is attached to said second receiving section or that no optical signal above a certain signal level is received by a transceiver module attached to said second receiving section;