Optical Transceiver Device

• US 20140241718A1
• Filed: 02/24/2014
• Published: 08/28/2014
• Est. Priority Date: 02/25/2013
• Status: Active Grant

• Current Assignee: Agileiots Investment Co., Ltd.
• Original Assignee: Jo-Chieh Chiang
• Inventors: JIANG, SEAN
• Granted Patent: US 9,473,243 B2
• Time in Patent Office: Days
• US Class Current: 398/48
• CPC Class Codes: H04B 10/40 Transceivers

Abstract

An optical transceiver device is provided, including an O/E transceiver module, an optical switching module and a switching control module, for providing network communication services for a first and a second optical fiber network equipment. The O/E transceiver module is an integrated chip having multiple transceiver units integrated therein. The switching control module is connected to an in-line equipment and the optical switching module for controlling the optical switching module to execute corresponding optical path switching operation according to an optical path switching control signal output from the inline equipment. In comparison with conventional optical transceiver devices, the invention is advantageous of simple structure, smaller volume and more flexible optical path switching.

Claims

1. An optical transceiver device, which is used to connect a first, second optical network equipments and an in-line equipment, respectively, in order to form an optical fiber network to provide network communication services for said first, second optical network equipments, said device including:

an O/E transceiver module, which is formed by an integrated chip integrating a plurality of O/E transceiver units, said integrated chip being integrated with multiple full duplex transmitting parallel channels for receiving optical signal in parallel, and converting the received optical signal into electrical signal, and transmitting the converted electrical signal to said in-line equipment;

or for receiving electrical signal of said in-line equipment, and converting the received electrical signal into optical signal;

a control module for transceiver, which electrically connects said in-line equipment, for receiving an O/E transceiving control signal output from said in-line equipment, thereby each of said O/E transceiver units on the integrated chip in said O/E transceiver module being controlled to perform a corresponding O/E transceiving operation;

an optical wave guide for changing the traveling direction of optical signal;

an optical switching module, which has optical switches for performing a switching operation of optical channels, being optical coupled with said first, second optical network equipments for receiving the optical signal of said first, second optical network equipments, and optically coupling said O/E transceiver module through said optical wave guide in order for optical signal transmitting with said O/E transceiver module; and

a switching control module, which electrically connects said in-line equipment and said optical switching module, for receiving the optical switching control signal output from said in-line equipment, thereby said optical switching module being controlled to perform a corresponding optical channel switching operation.

2. The optical transceiver device according to claim 1, further including an optical coupler, which optically couples said first, second optical network equipments, an external monitoring equipment and said optical switching module, in order for said external monitoring equipment to monitor the optical signal transmitting between said first, second optical network equipments and in-line equipment.

3. The optical transceiver device as claim 1, wherein, said in-line equipment connects said control module for transceiver and said switching control module through an I2C bus, respectively;

further including a wavelength division multiplexer provided between said O/E transceiver module and the optical switching module.

4. The optical transceiver device as claim 3, wherein, said in-line equipment further includes a control signal output unit, which connects said control module for transceiver and said switching control module through said I2C bus, respectively, for controlling both said control module for transceiver and said switching control module.

5. The optical transceiver device as claim 1, wherein, said in-line equipment connects said switching control module through a GPIO port for controlling said switching control module.

6. The optical transceiver device as claim 1, wherein, said optical switching module forms said optical wave guide by extending one end, or optically couples said optical wave guide by a MPO connector.

7. The optical transceiver device as claim 1, wherein, the optical switches of said optical switching module includes:

an optical input port, which inputs optical signal sent from an optical transceiving port;

an optical output port, which outputs optical signal for an optical transceiving port to receive;

a space for optical path, which provides a plurality of optical channel for optical signal at said optical input port and said optical output port to travel;

an optical element for switching the optical channel with respect to which optical signal travels in said space for optical path; and

a driving unit, which connects said optical element and electrically connects said switching control module, for receiving the optical switching control signal output from said switching control module, thereby the movement of said optical element to or from said space for optical path is controlled;

wherein, said optical input port and said optical output port are located at the same side of said optical switching module, and as said driving unit controls said optical element to move to said space for optical path, the optical signal input by said optical input port will be reflected by said optical element, the channel for the optical signal to travel will be switched from the optical channel of said optical input port to the optical channel of said optical output port.

8. The optical transceiver device as claim 1, wherein, the optical element is a total reflection mirror with a V-shaped or W-shaped reflection mirror plane on at least one side;

the optical channel of the optical input port and the optical channel of the optical output port are parallel to each other.

9. The optical transceiver device as claim 1, wherein, said switching control module monitors the operation status of said in-line equipment by the optical switching control signal;

as said in-line equipment is monitored as in normal operation, said switching control module send a first control instruction to the optical switching module for said first, second optical network equipment to perform optical signal transmitting to said O/E transceiver module;

as said in-line equipment is monitored as in abnormal operation, the switching control module send a second control instruction to said optical switching module for the optical signal to be transmitted between the first, second optical network equipment mutually.

10. The optical transceiver device as claim 1, wherein, said switching control module further including:

a monitoring unit, which receives a return-to-zero signal and performs timing operation;

as the return-to-zero signal is received at the timing of a default time, a first state signal is generated;

as the return-to-zero signal is not received at the timing of the default time, a second state signal is generated and an operating system on the in-line equipment is rebooted; and

a process unit, which receives a state signal generated by the monitoring unit;

as the received signal changes from the second state signal to the first state signal, a first control instruction is sent to said optical switching module;

as the received signal changes from the first state signal to the second state signal, the second control instruction is sent to said optical switching module.

11. The optical transceiver device as claim 10, wherein, said monitoring unit is a watch dog timer chip, and said process unit is a complex programmable logic device.

12. The optical transceiver device as claim 10, wherein, said monitoring unit and said process unit are integrated as a chipset.

13. An optical transceiver device, which is used to connect a first, second optical network equipments and an in-line equipment, respectively, in order to form an optical fiber network to provide network communication services for said first, second optical network equipments, said device including:

an O/E transceiver module, which is formed by an integrated chip integrating a plurality of O/E transceiver units, a wavelength division multiplexer, and multiple full duplex transmitting parallel channels for receiving optical signal in parallel, and the O/E transceiver module is for converting the received optical signal into electrical signal and transmitting the converted electrical signal to said in-line equipment, or for receiving electrical signal of said in-line equipment and converting the received electrical signal into optical signal;

a control module for transceiver, which electrically connects said in-line equipment, for receiving an O/E transceiving control signal output from said in-line equipment, thereby each of said O/E transceiver units on the integrated chip in said O/E transceiver module being controlled to perform a corresponding O/E transceiving operation;

an optical switching module, which has optical switches for performing a switching operation of optical channels, being optical coupled with said first, second optical network equipments for receiving the optical signal of said first, second optical network equipments, and optically coupling said O/E transceiver module through said wavelength division multiplexer in order for optical signal transmitting with said O/E transceiver module; and

a switching control module, which electrically connects said in-line equipment and said optical switching module, for receiving the optical switching control signal output from said in-line equipment, thereby said optical switching module being controlled to perform a corresponding optical channel switching operation.

14. The optical transceiver device as claim 13, wherein, said switching control module monitors the operation status of said in-line equipment by the optical switching control signal;

as said in-line equipment is monitored as in normal operation, said switching control module send a first control instruction to the optical switching module for said first, second optical network equipment to perform optical signal transmitting to said O/E transceiver module;

as said in-line equipment is monitored as in abnormal operation, the switching control module send a second control instruction to said optical switching module for the optical signal to be transmitted between the first, second optical network equipment mutually.

15. The optical transceiver device as claim 14, wherein, said switching control module further including:

a monitoring unit, which receives a return-to-zero signal and performs timing operation;

as the return-to-zero signal is received at the timing of a default time, a first state signal is generated;

as the return-to-zero signal is not received at the timing of the default time, a second state signal is generated and an operating system on the in-line equipment is rebooted; and

a process unit, which receives a state signal generated by the monitoring unit;

as the received signal changes from the second state signal to the first state signal, a first control instruction is sent to said optical switching module;

as the received signal changes from the first state signal to the second state signal, the second control instruction is sent to said optical switching module.

16. The optical transceiver device as claim 15, wherein, said monitoring unit is a watch dog timer chip, and said process unit is a complex programmable logic device.

17. An optical transceiver device, which is used to connect a first, second optical network equipments and an in-line equipment, respectively, in order for forming an optical fiber network to provide network communication services for said first, second optical network equipments, said device including:

an O/E transceiver module, which is formed by an integrated chip integrating a plurality of O/E transceiver units, said integrated chip being integrated with multiple full duplex transmitting parallel channels for receiving optical signal in parallel, and converting the received optical signal into electrical signal, and transmitting the converted electrical signal to said in-line equipment;

or for receiving electrical signal of said in-line equipment, and converting the received electrical signal into optical signal;

a control module for transceiver, which electrically connects said in-line equipment, for receiving an O/E transceiving control signal output from said in-line equipment, thereby each of said O/E transceiver units on the integrated chip in said O/E transceiver module being controlled to perform a corresponding O/E transceiving operation;

a wavelength division multiplexer, which is optically coupled to O/E transceiver module;

an optical switching module, which has optical switches for performing a switching operation of optical channels, being optical coupled with said first, second optical network equipments for receiving the optical signal of said first, second optical network equipments, and optically coupling said O/E transceiver module through said wavelength division multiplexer in order for optical signal transmitting to said O/E transceiver module; and

a switching control module, which electrically connects said in-line equipment and said optical switching module, for receiving the optical switching control signal output from said in-line equipment, thereby said optical switching module being controlled to perform a corresponding optical channel switching operation.

18. The optical transceiver device as claim 17, wherein, said switching control module monitors the operation status of said in-line equipment by the optical switching control signal;

as said in-line equipment is monitored as in normal operation, said switching control module send a first control instruction to the optical switching module for said first, second optical network equipment to perform optical signal transmitting to said O/E transceiver module;

as said in-line equipment is monitored as in abnormal operation, the switching control module send a second control instruction to said optical switching module for the optical signal to be transmitted between the first, second optical network equipment mutually.

19. The optical transceiver device as claim 18, wherein, the switching control module further including:

a monitoring unit, which receives a return-to-zero signal and performs timing operation;

as the return-to-zero signal is received at the timing of a default time, a first state signal is generated;

as the return-to-zero signal is not received at the timing of the default time, a second state signal is generated and an operating system on the in-line equipment is rebooted; and

a process unit, which receives a state signal generated by the monitoring unit;

as the received signal changes from the second state signal to the first state signal, a first control instruction is sent to said optical switching module;

as the received signal changes from the first state signal to the second state signal, the second control instruction is sent to said optical switching module.

20. The optical transceiver device as claim 19, wherein, said monitoring unit is a watch dog timer chip, and said process unit is a complex programmable logic device.