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30 results about "Multi-source agreement" patented technology

A multi-source agreement (MSA) is an agreement between multiple manufacturers to make products which are compatible across vendors, acting as de facto standards, establishing a competitive market for interoperable products.

Systems and methods for ethernet extension and demarcation

The present invention provides Ethernet extension and demarcation functionality through a Multi-Source Agreement (MSA) pluggable transceiver in a customer or remote device. The pluggable transceiver is configured to frame an Ethernet client signal and to provide OAM&P functionality, such as with G.709 framing. The pluggable transceiver operates within existing multi-source agreement (MSA) specifications. Accordingly, the pluggable transceiver can operate in any customer device compliant to the MSA specifications. Additionally, the framing and OAM&P functionality are transparent to the customer device, but instead utilized by a service provider for demarcation functionality, eliminating the requirements for external demarcation equipment and for external transponders.
Owner:LUMENTUM OPERATIONS LLC

40g/100g MSA-compliant optical transceivers with advanced functionality

ActiveUS20130177309A1Transparent manner of operation of the circuitryError preventionTime-division multiplexCarrier gradeSmall form factor
Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, and the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. An optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device with advanced features and functionality. The optical transceiver can include CFP and variants thereof (e.g., CFP2, CDFP, CXP), OIF-MSA-100GLH-EM-01.0, CCRx (Compact Coherent Receiver), Quad Small Form-factor Pluggable (QSFP) and variants thereof (e.g., QSFP+, QSFP2), 10X10 MSA, XFP, XPAK, XENPAK, X2, XFP-E, SFP, SFP+, 300-pin, and the like.
Owner:LUMENTUM OPERATIONS LLC

MSA transceiver testing device and interface for use therewith

A system for testing transceiver modules associated to different multi-source agreement standards, comprising a transceiver testing device and an interface connection unit. The transceiver testing device comprises a processor for performing at least one testing operation on an MSA transceiver module associated to a certain multi-source agreement standard. The interface connection unit is suitable for connecting the MSA transceiver module to the transceiver testing device. The transceiver module includes a certain type of electrical connector element. The interface connection unit comprises a first connector component and a second connector component. The first connector component is adapted for being removably connecting the interface connection unit to the transceiver testing device. The first connector component is different from the certain type of connector element of the MSA transceiver module. The second connector component is suitable for connecting the interface connection unit to the certain connector element of the MSA transceiver module.
Owner:DAITO PRECISION

40g/100g/200g/400g pluggable optical transceivers with advanced functionality

Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, and the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. A pluggable optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the pluggable optical transceiver to operate with any compliant MSA host device with advanced features and functionality, such as Forward Error Correction (FEC), framing, and OAM&P directly on the pluggable optical transceiver. The advanced integrated can be implemented by the pluggable optical transceiver separate and independent from the host device.
Owner:LUMENTUM OPERATIONS LLC

Systems and methods for the integration of framing, oam&p, and forward error correction in sfp optical transceiver devices

The present invention provides systems and methods for integrated framing functionality; optical layer operations, administration, maintenance, and provisioning (OAM&P); forward error correction (FEC); data encapsulation; and performance enhancement support in SFP optical transceiver modules. An SFP pluggable transceiver is configured to frame a client signal and to provide OAM&P functionality, such as with G.709 framing. The SFP pluggable transceiver operates within existing multi-source agreement (MSA) specifications for SFP. Accordingly, the pluggable transceiver can operate in any customer device compliant to the MSA specifications.
Owner:LUMENTUM OPERATIONS LLC

High-speed pluggable optical transceivers with advanced functionality

An optical transceiver configured to operate in a host device includes an electrical interface communicatively coupled to the host device to interface electrically with the host device, wherein the optical transceiver is compliant with a Multi-Source Agreement (MSA) which is supported by the host device; optical transceiver components communicatively coupled to the electrical interface, wherein the optical transceiver components are configured to optically interface signals with a second optical transceiver to form an optical link; and electronic dispersion compensation circuitry communicatively coupled to the optical transceiver components and configured to electronically compensate for optical fiber chromatic and / or polarization mode dispersion associated with the optical link, separate and independent from the host device.
Owner:LUMENTUM OPERATIONS LLC

Systems and methods for optical receiver decision threshold optimization

The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiver, such as FEC, to optimize performance of the receiver. The receiver is optimized through a change in the receiver threshold responsive to the performance metric. Advantageously, the present invention provides improved receiver performance through a continuous adjustment that is self-contained within the receiver, such as within a pluggable optical transceiver compliant to a multi-source agreement (MSA). The receiver threshold optimization loop can include a fine and a coarse sweep of adjustment from an initial setting.
Owner:LUMENTUM OPERATIONS LLC

Ejector apparatus and associated assembly method for pluggable transceivers

The present disclosure relates to a novel ejector apparatus for pluggable transceivers, such as transceivers defined by multi-source agreements (MSAs) including SFP, SFP+, XFP, and the like. The ejector apparatus utilizes a shrouded design where the ejector apparatus encapsulates the top, sides, and bottom of a pluggable transceiver thereby allowing an operator to grasp any side of the ejector apparatus to actuate engagement prongs. In keeping with MSA guidelines, the ejector apparatus utilizes prongs to disengage a locking mechanism in order for the kick out springs to release the module. Advantageously, the ejector apparatus enables high density placement of corresponding transceivers, allows access from all sides of the transceiver for ejection, and allows cables to remain connected to the transceiver during ejection.
Owner:CIENA

Extended reach XFP transceiver with integrated forward error correction

Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, or the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. An optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device with advanced features and functionality. An XFP module can include integrated circuitry configured to provide forward error correction encoding and decoding; a transmitter communicatively coupled to the integrated circuit; a receiver communicatively coupled to the integrated circuit; and a module housing in which the integrated circuitry, the transmitter, and the receiver are disposed, wherein the module housing is pluggable in a host device configured to operate the pluggable optical transceiver, and wherein the forward error correction encoding and decoding is performed transparently to the host device.
Owner:LUMENTUM OPERATIONS LLC

Optical network unit for passive optical network and signal processing method thereof

The invention relates to the field of optical fiber communication and discloses an optical network unit for a passive optical network. The optical network unit comprises an electric interface meeting SFF (Small Form-factor Pluggable) or SFPMSA (Small Form-factor Pluggable Transceiver Multi-Source Agreement) definition, a microprocessor unit, an integrated transceiver chip and an optical transceiver module interface component, wherein the electric interface is respectively connected to the microprocessor unit and the integrated transceiver chip; the microprocessor unit is connected to the integrated transceiver chip; and the integrated transceiver chip is connected to the optical transceiver module interface component. The invention also discloses a signal processing method of the optical network unit for the passive optical network. A limiting amplifier unit, a laser driving unit, a chip and a signal acquiring unit are integrated in the integrated transceiver chip. The integrated transceiver chip, the microprocessor unit and a high-pressure circuit converting chip are matched with each other, thereby forming the optical network unit. The optical network unit designed according to the scheme has the characteristics of simple structure, high integrated level, low cost, suitability for large-scale automatic production, and the like.
Owner:成都新易盛通信技术股份有限公司

Systems and methods for optical receiver decision threshold optimization

The present invention provides systems and methods for a receiver threshold optimization loop to provide self-contained automatic adjustment in a compact module, such as a pluggable optical transceiver. The receiver threshold optimization loop utilizes a performance metric associated with the receiver, such as FEC, to optimize performance of the receiver. The receiver is optimized through a change in the receiver threshold responsive to the performance metric. Advantageously, the present invention provides improved receiver performance through a continuous adjustment that is self-contained within the receiver, such as within a pluggable optical transceiver compliant to a multi-source agreement (MSA). The receiver threshold optimization loop can include a fine and a coarse sweep of adjustment from an initial setting.
Owner:LUMENTUM OPERATIONS LLC

Refrigeration coaxial light-emitting pipe core

The invention provides a refrigeration coaxial light-emitting pipe core, which comprises a TO (transmission optical) pipe shell and a sealing pipe cap with a light window. The TO pipe shell comprises a pipe shell base and a laser mounting sleeve connected with the pipe shell base in a sealing way, the pipe shell base is provided with a plurality of pins electrically connected with an external system, the inner sidewall of the laser mounting sleeve is provided with a mounting platform, a heat dissipating surface of a refrigerator is arranged on the surface of the mounting platform, a refrigeration surface of the refrigerator is used for the arrangement of a laser carrier, the surface of the laser is provided with an electro-absorption modulated n laser chip, a thermistor and a backlight detector, and the light-emitting optical axis of the laser chip is arranged coaxial with the central axis OA of the TO pipe shell and is output by the light window of the sealing pipe cap. Heat dissipation of the whole device is achieved by the laser mounting sleeve instead of the base of the traditional TO pipe shell, and the problem of laser cooling is solved. The pipe core with the structure is coupled with an external optical element of the TO pipe shell to manufacture the light-emitting component with the appearance complying with multi-source agreements XMD (Xilinx microprocessor debugger) for small devices of 10 Gb / s.
Owner:SHENZHEN NEOPHOTONICS TECH

Optical transceiver performance monitoring and alarming systems and methods

Performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); and alarming are provided in optical transceivers, such as multi-source agreement (MSA)-defined modules. The present disclosure provides an optical transceiver defined by an MSA agreement with integrated PM and alarming for carrier-grade operation. The integration preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device. Further, the host device can be configured through software to retrieve the PM and alarming from the optical transceiver. The optical transceiver can include XFP, XPAK, XENPAK, X2, XFP-E, SFP, SFP+, 300-pin, and the like. The optical transceiver is configured to frame incoming signals to provide overhead and FEC. The transceiver provides access to all alarms in ITU-T G.709, all Tandem Connection Monitoring (TCM) bytes in G.709, far end monitoring as specified in G.709, loopbacks, historical and real-time PM values, and the like.
Owner:LUMENTUM OPERATIONS LLC

Pluggable optical transceiver interface module

A pluggable optical transceiver interface module adapted to operate in a host device includes a housing compliant to a first Multi Source Agreement (MSA), wherein the housing is adapted to plug into the host device; a slot in the housing adapted to receive a pluggable optical transceiver, wherein the pluggable optical transceiver includes an optical transmitter and an optical receiver with associated connectors; and interface circuitry communicatively coupled to the pluggable optical transceiver and to the host device, wherein the interface circuitry is adapted to bridge data and power connectivity to the pluggable optical transceiver according to the first MSA, and wherein the pluggable optical transceiver is not compliant to the first MSA.
Owner:MENARA NETWORKS

Subscriber premise optical line terminating apparatus and optical transmission system

The present invention provides a subscriber premise optical line terminating apparatus, which comprises an electricity / light converting means (6) that is connected to a center-side optical transmission path (2) to perform a light-to-electricity conversion and an electricity-to-light conversion; an optical line terminating apparatus function part (7) that is connected to an electric signal input / output terminal of the electricity / light converting means (6); a serial / parallel converting means (8) that is connected to parallel signal terminals of the optical line terminating apparatus function part (7) to perform a serial-to-parallel conversion or a parallel-to-serial conversion; and a multi-source agreement interface (9) that is connected to a serial signal terminal of the serial / parallel converting means (8).
Owner:FURUKAWA ELECTRIC CO LTD

Apparatus and method for interfacing XFP optical transceiver with 300-pin MSA optical transponder

Provided are an apparatus and a method for interfacing a 10 Gbps small form factor pluggable (XFP) optical transceiver with a 300-pin multi-source agreement (MSA)_optical transceiver. The apparatus includes: a direct interface providing direct interfacing paths through which signals that can be directly interfaced with one another between the XFP optical transceiver and the 300-pin MSA optical transponder; and a processor converting clock signals and data between the XFP optical transceiver and the 300-pin MSA optical transponder so that formats of the clock signals and the data coincide with one another.
Owner:ELECTRONICS & TELECOMM RES INST

Management data input/output multi source agreement-based transmission method and device

The present invention discloses a transmission method and device based on management data input / output multi-source agreements, said method comprising: sending at least one frame, and a main computer indicating, in accordance with the operation code carried by the frame, to execute a read data operation or a continuous read data operation or a write data operation in regard to an optical module; said frame is used, during a check, at the main computer and at the optical module for respectively calculating a checksum, and it is determined, in accordance with the result of a comparison of the checksums, whether a checksum is correct, and the decision is made as to whether it is necessary to repeat said read data operation or continuous read data operation or write data operation.
Owner:NANJING ZHONGXING XIN SOFTWARE CO LTD

Quad small form factor-double density pluggable (qsfp-dd) transceiver module with heat sink

A Quad Small Form Factor-Double Density Pluggable (QSFP-DD) transceiver module which complies with the accepted specifications of the Quad Small Form Factor Pluggable Double Density (QSFP-DD) Multi Source Agreement (MSA) group has a body, a paddle card mounted in the body, and a plurality of conductive fins extending upwardly from top and bottom walls of the body. The QSFP-DD transceiver module is insertable into a cage and is configured to mate with mating connector in the cage and with a fiber optic cable. The conductive fins do not seat within the cage. The conductive fins dissipate heat generated by convection.
Owner:MOLEX INC

Small hot-swappable transceiver optical module for plastic optical fiber communication

ActiveCN102739318BStable transmit optical powerAchieve stabilizationFibre transmissionTransceiverEngineering
The invention discloses a small-sized hot-pluggable transceiving integration optical module for plastic optical fiber communication. The small-sized hot-pluggable transceiving integration optical module comprises an optical receiver and an optical transmitter. The small-sized hot-pluggable transceiving integration optical module further comprises an SFP optical module interface which accords with an SFP multi-source agreement. The optical receiver comprises an optical receiving component and a limiting amplifier, wherein the optical receiving component is used for converting inputted optical signals whose wavelength is in a visible light band into electric signals, and the limiting amplifier can amplify the electric signals outputted by the optical receiving component in a limiting mode. The optical transmitter comprises an optical transmitting component working in the visible light band and an optical transmitting component driver used for driving the optical transmitting component to give out light. The optical transmitting component driver is provided with an automatic power control circuit. The optical receiver and the optical transmitter are both connected to the SFP optical module interface. The optical transmitting component driver of the technical solution is provided with the automatic power control circuit and the SFP optical module interface is adopted by the transceiving integration optical module of the invention, so that high stability of light transmitting power and a function of energized hot plug can be realized.
Owner:广东一普实业有限公司

Extended reach XFP transceiver with integrated forward error correction

Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, or the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. An optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the optical transceiver to operate with any compliant MSA host device with advanced features and functionality. An XFP module can include integrated circuitry configured to provide forward error correction encoding and decoding; a transmitter communicatively coupled to the integrated circuit; a receiver communicatively coupled to the integrated circuit; and a module housing in which the integrated circuitry, the transmitter, and the receiver are disposed, wherein the module housing is pluggable in a host device configured to operate the pluggable optical transceiver, and wherein the forward error correction encoding and decoding is performed transparently to the host device.
Owner:LUMENTUM OPERATIONS LLC

Subscriber premise optical line terminating apparatus and optical transmission system

The present invention provides a subscriber premise optical line terminating apparatus, which comprises an electricity / light converting means (6) that is connected to a center-side optical transmission path (2) to perform a light-to-electricity conversion and an electricity-to-light conversion; an optical line terminating apparatus function part (7) that is connected to an electric signal input / output terminal of the electricity / light converting means (6); a serial / parallel converting means (8) that is connected to parallel signal terminals of the optical line terminating apparatus function part (7) to perform a serial-to-parallel conversion or a parallel-to-serial conversion; and a multi-source agreement interface (9) that is connected to a serial signal terminal of the serial / parallel converting means (8).
Owner:FURUKAWA ELECTRIC CO LTD
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