PARAMETRIC MONITORING OF OPTOELECTRONIC MODULES ON HOST SYSTEM

• US 20080166131A1
• Filed: 01/05/2007
• Published: 07/10/2008
• Est. Priority Date: 01/05/2007
• Status: Active Grant

• Current Assignee: Sumitomo Electric Device Innovations, U.S.A., Inc. (Sumitomo Corporation)
• Original Assignee: Emcore Corporation
• Inventors: McGlynn, Daniel, Hudgins, Clay E.
• Granted Patent: US 7,853,150 B2
• Time in Patent Office: Days
• US Class Current: 398/117
• CPC Class Codes: H04B 10/40 Transceivers

Abstract

An optoelectronic module for converting and coupling an information-containing electrical signal with an optical fiber including a housing having an electrical input for coupling with an external cable or information system device and for transmitting and receiving information-containing electrical signals over such input, and a fiber optic connector adapted for coupling with an external optical fiber for transmitting and receiving an optical signal; an electro-optic subassembly coupled to the information containing electrical signal and converting it to and/or from a modulated optical signal corresponding to the electrical signal; parametric data collection means disposed in the housing acquiring environmental and/or operational data associated with the module; and a communication interface for transferring the data to an external device.

Claims

1. An optoelectronic module for converting and coupling an information-containing electrical signal from an information system device with an optical fiber comprising:

a housing including an electrical connector for coupling with an external electrical cable or information system device and for transmitting information-containing electrical signals over said connector, and a fiber optical connector adapted for coupling with an external optic fiber for transmitting an optical signal;

an electro-optic subassembly disposed in said housing coupled to the information system device for converting the electrical signal to a modulated optical signal corresponding to the electrical signals at a predetermined wavelength;

parametric collection means disposed in said housing for collecting operational data associated with the module; and

communication interface means disposed in said housing for electrically transferring said operational data to an external device for storage therein.

2. The module of claim 1, wherein said parametric collection means records the total operating time of the optical transmitter.

3. The module of claim 2, wherein said parametric collection means records the temperature of the housing.

4. The module of claim 3, wherein said parametric collection means records the time rate of change of the temperature of the housing.

5. The module of claim 2, wherein said parametric collection means records a temperature of a laser or light emitting diode within the housing.

6. The module of claim 5, wherein said parametric collection means records a time rate of change of the temperature of the laser or light emitting diode.

7. The module of claim 1, wherein the communication interface means is a circuit connected to said electrical connector for transferring said operational data to said information system device for storage therein.

8. The module of claim 1, wherein the external device is the host information system unit into which the optical transceiver is plugged.

9. The module of claim 1, further comprising a network operating system associated with said information system device for polling said module.

10. An optoelectronic module for converting and coupling an information-containing electrical signal from an information system device with an optical fiber comprising:

a housing including an electrical connector for coupling with an external electrical cable or information system device and for transmitting information-containing electrical signals over said connector, and a fiber optical connector adapted for coupling with an external optic fiber for transmitting an optical signal;

an electro-optic subassembly disposed in said housing coupled to the information system device containing electrical signal and converting it to a modulated optical signal corresponding to the electrical signal at a predetermined wavelength;

parametric collection means disposed in said housing for collecting operational data associated with the module;

data compression means disposed in said housing for compressing the operational data; and

interface means for transferring the compressed data to an external information system device.

11. The module of claim 10, wherein said parametric collection means records the total operating time of the optical transmitter.

12. The module of claim 10, wherein said parametric collection means records the temperature of the housing.

13. The module of claim 10, wherein said parametric collection means records the time rate of change of the temperature of the housing.

14. The module of claim 10, wherein said parametric collection means records a temperature of a laser or light emitting diode disposed within the housing.

15. The module of claim 14, wherein said parametric collection means records a time rate of change of the temperature of the laser or light emitting diode.

16. In a data communications network including a plurality of network units and a plurality of pluggable optoelectronic modules coupled to one or more of such network units, the modules functioning to couple the associated network unit to an optical fiber for transmitting and/or receiving optical signals over such fiber, each module having a unique electronic identifier that is selectable from a set of identifiers and is utilized by the network to activate such module when the module is plugged into the network unit, an optoelectronic module comprising:

a processor disposed in the module for detecting when a module is plugged into the network unit and transmitting the identifier associated with said module to the network unit and for receiving an authorization response; and

an encryption based authenticator for processing said authorization response for determining whether the module is authorized to operate.