Patent ID: 6208796
Filing Date: 2001-03-27
Classification: G02B

Abstract:
A fiber optic module mountable to a chassis comprising:a module housing having front and rear faces, opposed major sides, and opposed minor sides defining an enclosed interior, the front face including mounting flanges for mounting the module to the chassis;a plurality of exposed first adapters along the front face, each of the plurality of first adapters connectable to a fiber optic connector external to the module;a plurality of exposed second adapters along the rear face, each of the plurality of second adapters connectable to a fiber optic connector external to the module;wherein the plurality of first adapters define:a first signal transmit output port;a first signal receive input port;a first signal identification input port;a second signal transmit output port;a second signal receive input port; anda second signal identification port;wherein the plurality of second adapters define:a first signal transmit input port;a first signal receive output port;a second signal transmit input port;a second signal receive output port;a first signal transmit monitor port;a first signal receive monitor port;a second signal transmit monitor port; anda second signal receive monitor port;wherein the front face further includes first and second visual indicators;wherein the plurality of first adapters and the first and second visual indicators are positioned between the mounting flanges along the front face;a first optical signal coupler disposed within the enclosed interior connecting the first signal transmit input port along the rear face to the first signal transmit monitor port along the rear face and the first signal transmit output port along the front face at a first wavelength, and wherein the first signal transmit output port is connected to the first visual indicator at a second wavelength;a second optical coupler disposed within the enclosed interior connecting the first signal receive input port along the front face to the first signal receive output port along the rear face and the first signal receive monitor port along the rear face at a third wavelength, and wherein the first signal identification input port along the front face is connected to the first signal receive input port along the front face at a fourth wavelength;a third optical signal coupler disposed within the enclosed interior connecting the second signal transmit input port along the rear face to the second signal transmit monitor port along the rear face and the second signal transmit output port along the front face at a fifth wavelength, and wherein the second signal transmit output port is connected to the second visual indicator at a sixth wavelength; anda fourth optical coupler disposed within the enclosed interior connecting the second signal receive input port along the front face to the second signal receive output port along the rear face and the second signal receive monitor port along the rear face at a seventh wavelength, and wherein the second signal receive identification input port along the front face is connected to the second signal receive input port along the front face at an eighth wavelength.