30 results about "Small form-factor pluggable transceiver" patented technology

A small form factor pluggable (SFP) optical transceiver module and method for performing optical communications are provided. The SFP optical transceiver module has a housing to which a duplex receptacle is secured. The duplex receptacle has a C-shaped opening, the upper and lower portions of which are defined by upper and lower flexible retaining elements for receiving and retaining a duplex optical connector therein. An electrical assembly of the module is secured within the transceiver module housing. The electrical assembly comprises a PCB, the back end of which is configured as a plug end for removably plugging the PCB into a receptacle of an external communications management system.

A housing of a Quad Small Form-Factor Pluggable transceiver module includes a metallic casing and a plurality of elastic grounding assemblies. The metallic casing has a lower casing, a plurality of partitions and an upper casing. The lower casing is connected to the upper casing. The partitions are provided between the lower casing and the upper casing at intervals, thereby separating the interior of the metallic casing into a plurality of accommodating spaces. The accommodating spaces each receives a connector of a transceiver module, thereby forming a plurality of ports. Thus, the connectors of the transceiver modules share the common housing, thereby reducing the occupied space on the circuit board and increasing the number of the transceiver modules arranged on the circuit board.

A SFP checking device (SFP Check) connects to a SFP transceiver and a PC or laptop via a USB cable. The SFP Check uses the default web browser of the PC, without an internet connection, to display details of the SFP transceiver such as wavelength, description, range, manufacturer, among other information, in accordance with program code provided to the PC via the SFP Check. All of the information a technician in the field needs to determine which SFP transceiver is the right one for a selected application and optical link is available from the SFP Check. The SFP Check and SFP transceiver both receive power via the USB cable connection to the PC. The SFP Check appears to the PC as a memory stick. A method is provided for determining the drive letter associated with the SFP Check and the program coder or file(s) it provides to the PC.

A housing of a Quad Small Form-Factor Pluggable transceiver module includes a metallic casing and a plurality of elastic grounding assemblies. The metallic casing has a lower casing, a plurality of partitions and an upper casing. The lower casing is connected to the upper casing. The partitions are provided between the lower casing and the upper casing at intervals, thereby separating the interior of the metallic casing into a plurality of accommodating spaces. The accommodating spaces each receives a connector of a transceiver module, thereby forming a plurality of ports. Thus, the connectors of the transceiver modules share the common housing, thereby reducing the occupied space on the circuit board and increasing the number of the transceiver modules arranged on the circuit board.

The invention discloses a laser transceiving device, a manufacturing method thereof and a method for improving temperature operation range thereof. A low-cost laser transmitter module TOSA (transmitter optical subassembly) is utilized to broaden the temperature operation range of laser transceiving integration modules of a small form-factor pluggable transceiver (SFP) or an SFP+ and the like, and a heater and a laser diode are packaged and integrated in the TOSA of a TO-CAN. Operation temperature of the SFP+ laser transceiving module is monitored by integrating a temperature sensor on a circuit board of the SFP+, or operation temperature of a TOSA laser is calculated by detecting bias current and output power of the laser, the heater in the TOSA positioned on the laser transceiving module is controlled through a heat control circuit and software, the software starts the control circuit and supplies power to the heater to heat the laser diode if the detected temperature is lower than a set threshold, and the software switches off the control circuit to stop heating the laser diode if the detected temperature is higher than the set threshold.

An out-of-band to optical conversion component is provided that uses a transmit disable signal and a receive loss of signal (LOS) signal built into optical small form-factor pluggable transceiver and cable to pass the out-of-band protocol between serial attached SCSI enclosures. The transmit disable signal, when asserted, turns off the optical output, while the receive LOS signal detects the loss of signal. The out-of-band to optical conversion component sits in line on the serial attached SCSI data traffic and strips off the out-of-band signals from the serial attached SCSI expander so that only data flows over the optical cable. The out-of-band to optical conversion component sends the out-of-band signals to the other enclosure using the transmit disable pin on the small form-factor pluggable transceiver and cable. The other enclosure receives the message on the receive LOS signal and transmit it back onto the serial attached SCSI receive data pair.

The invention discloses a detecting device and a detecting method of time sequence parameters of a small package pluggable transceiver. The device comprises a test board, a module to be tested, a standard module, singlechips and an upper computer, wherein the test board is provided with two slots, the module to be tested is plugged in one slot, the standard module is plugged in the other slot, a transmitting terminal of the module to be tested is connected with a receiving terminal of the standard module via optical fiber, a receiving terminal of the module to be tested is connected with a transmitting terminal of the standard module via optical fiber, the singlechips are plugged in parallel on the test board, the singlechips are respectively a control-type singlechip and a bus-type singlechip, time sequence pins of the module to be tested and the standard module are respectively electrically connected with input / output ports of the control-type singlechip via the test board, the control-type singlechip is electrically connected with the bus-type singlechip via a serial bus, and the bus-type singlechip is communicated with the upper computer via a USB conversion chip and a serial conversion chip on the test board. The invention can realize the effects of automated testing, simple operation and high measurement accuracy.

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.

An out-of-band to optical conversion component is provided that uses a transmit disable signal and a receive loss of signal (LOS) signal built into optical small form-factor pluggable transceiver and cable to pass the out-of-band protocol between serial attached SCSI enclosures. The transmit disable signal, when asserted, turns off the optical output, while the receive LOS signal detects the loss of signal. The out-of-band to optical conversion component sits in line on the serial attached SCSI data traffic and strips off the out-of-band signals from the serial attached SCSI expander so that only data flows over the optical cable. The out-of-band to optical conversion component sends the out-of-band signals to the other enclosure using the transmit disable pin on the small form-factor pluggable transceiver and cable. The other enclosure receives the message on the receive LOS signal and transmit it back onto the serial attached SCSI receive data pair.

A small form factor transceiver module that incorporates an externally modulated laser (EML). The transceiver module has a transmitter optical subassembly with a header assembly having a base with a platform extending through. The platform has a plurality of conductive traces extending through the platform for making connections on both sides of the base. A thermoelectric cooler (TEC) is used to dissipate heat from a laser within the header assembly. The TEC dissipates heat sufficiently to allow the EML to be used in the header assembly. In this manner, EMLs can be used in relatively small optical devices, including small form factor transceivers that comply with the XFP standard. The XFP modules with EMLs can be used for longer links than XFPs without EMLs. In addition, EMLs can be stabilized using TECs so that XFP modules can be used for DWDM-type applications.

The invention discloses an XFP (10 Gigabit Small Form-Factor Pluggable transceiver) belonging to the field of electronics. The XFP is mounted in a cage, comprises a base, a lower cover and a master PCB (Printed Circuit Board) from outside to inside and also comprises a self-supporting unlocking device and a self-supporting locking device, wherein the unlocking device comprises a suspension link and a slide bar, the locking device is formed by mutually overlapping the slide bar, the cage and the combination part of the base, the slide bar is arranged in the base, and the suspension link can rotate corresponding to the slide bar and can drive the slide bar to move along the horizontal direction; and an automatic resetting mechanism is arranged between the slide bar and the base and used forautomatically resetting the slide bar. By additionally arranging the automatic resetting mechanism between the slide bar and the base, the slide bar can automatically return to an initial state afterbeing used, without manual manipulation, so that the operation complexity is decreased.

The present invention relates to small form factor pluggable (SFP) transceiver modules. The SFP transceiver module of the present invention comprises a cage corresponding to SFP dimensions, at least one serial digital interface for receiving and / or transmitting an electrical signal, at least one signal conditioning unit for conditioning a received signal, and a host connector for receiving and / or transmitting a conditioned signal.

The present invention relates to small form factor pluggable (SFP) transceiver modules. The SFP transceiver module of the present invention comprises a cage corresponding to SFP dimensions, at least one coaxial connector for receiving and / or transmitting an electrical signal, at least one processing unit for processing a received signal, and a host connector for receiving and / or transmitting a processed signal.

A SFP checking device (SFP Check) connects to a SFP transceiver and a PC or laptop via a USB cable. The SFP Check uses the default web browser of the PC, without an internet connection, to display details of the SFP transceiver such as wavelength, description, range, manufacturer, among other information, in accordance with program code provided to the PC via the SFP Check. All of the information a technician in the field needs to determine which SFP transceiver is the right one for a selected application and optical link is available from the SFP Check. The SFP Check and SFP transceiver both receive power via the USB cable connection to the PC. The SFP Check appears to the PC as a memory stick. A method is provided for determining the drive letter associated with the SFP Check and the program coder or file(s) it provides to the PC.

A small form factor pluggable (SFP) optical transceiver module is provided. It includes a shell assembly that encloses an optical fiber connector configured to connect to a SFP optical transceiver and a retaining mount that is configured to be attached to a body portion of a device housing of a network device. The SFP optical transceiver is configured to interface a network device motherboard to a fiber optic at a given port of the network device. The shell assembly is configured to removably latch onto the retaining mount. The shell assembly includes a base and a body coupled to each other. The body has a latch to securely attach the optical fiber connector and the SFP optical transceiver to the retaining mount while allowing the SFP optical transceiver to be swapped as needed to reconfigure the given port of the network device.

The invention discloses an XFP (10 Gigabit Small Form-Factor Pluggable transceiver) belonging to the field of electronics. The XFP is mounted in a cage, comprises a base, a lower cover and a master PCB (Printed Circuit Board) from outside to inside and also comprises a self-supporting unlocking device and a self-supporting locking device, wherein the unlocking device comprises a suspension link and a slide bar, the locking device is formed by mutually overlapping the slide bar, the cage and the combination part of the base, the slide bar is arranged in the base, and the suspension link can rotate corresponding to the slide bar and can drive the slide bar to move along the horizontal direction; and an automatic resetting mechanism is arranged between the slide bar and the base and used forautomatically resetting the slide bar. By additionally arranging the automatic resetting mechanism between the slide bar and the base, the slide bar can automatically return to an initial state afterbeing used, without manual manipulation, so that the operation complexity is decreased.

A small form-factor pluggable (SFP) transceiver provided for being inserted into an electrical connection slot includes a housing, two electrical signal connectors, a circuit board, and two flexible assemblies. The housing defines an accommodating space. Each electrical signal connector has an inserting end arranged outside a front end of the housing and an opposite connecting end arranged in the accommodating space. The circuit board is fixed to the housing and is arranged in the accommodating space. Each flexible assembly has an end detachably connected to the circuit board and an opposite end detachably connected to the respective electrical signal connector. The SFP transceiver is configured to receive a signal, and the signal travels from the each electrical signal connector to the circuit board through the corresponding flexible assembly. Each flexible assembly, the corresponding electrical signal connector, and the circuit board are configured to be independently tested.

A small form-factor pluggable (SFP) transceiver is provided for being inserted into an electrical connection slot of an electronic apparatus. The SFP transceiver includes a housing, two electrical signal connectors disposed a front end of the housing, and an unlocking assembly having an unlocking member and an interlock member. The housing includes an engaging portion disposed on a bottom surface thereof and configured to be engaged with the electrical connection slot, thereby firmly fastening the SFP transceiver into the electrical connection slot. The unlocking member has a manipulating portion exposed at the front end and arranged adjacent to a top surface of the housing. The interlock member is movably disposed on the housing. When the manipulating portion is rotated in a direction away from the front end and the top surface, the unlocking member moves the interlock member to separate the engaging portion from the electrical connection slot.

A small form-factor pluggable transceiver includes a housing, which includes an upper cover, a lower cover fastened to the upper cover, and a front plate arranged between an end of the upper cover and an end of the lower cover. The front plate, the upper cover, and the lower cover are assembled together so as to jointly define an accommodating space. The front plate includes a metallic layer defining a main surface thereof and two plastic structures connected to the metallic layer. The front plate has two through holes penetrating through the metallic layer for respectively accommodating two electrical signal connectors, and the two plastic structures are respectively arranged in the two through holes. When the two electrical signal connectors are respectively disposed in the two through holes, the plastic structures are arranged between the metallic layer and the electrical signal connectors separated from the metallic layer.

The disclosure relates to a data transmission system, a small form factor pluggable transceiver, and a method for modifying the same. A method for modifying a low-cost small form factor pluggable optical-electrical bidirectional transceiver (hereinafter "SFP transceiver") by converting the SFP transceiver (2) into a dual-in-line package. Such conversion enables the SFP transceiver (2) to be soldered directly on a printed circuit board (30) of a line replaceable unit of an avionics system, thereby eliminating the concern that the SFP transceiver (2) may become detached due to vibration during aircraft operation. The method also includes a sealing process to protect contact pads (24) on the SFP transceiver (2), thereby eliminating any concern that the contact pads (24) could corrode due to long-term moisture and humidity exposure. The product of the method is a ruggedized SFP transceiver (1) capable of withstanding the rigors of operating in a harsh avionics environment onboard an aircraft (102).

The invention provides an adapter card, which comprises a board body including 230 contacts, a first slot which supports a PCIe-16 protocol and is suitable for providing a PCIe-16 interface card for insertion, a second slot which supports a PCIe-8 protocol and is suitable for providing a PCIe-8 interface card for insertion, a small-package pluggable transceiver which is suitable for being electrically connected with an Ethernet chip and providing an optical fiber transmission line for insertion, and a third slot which supports the M.2 standard and is suitable for providing M.2 card insertion. The adapter card can provide insertion of three interface cards supporting: the PCIe-16 protocol, the PCIe-16 protocol and the M.2 standard at the same time by only utilizing the 230 contacts, and simultaneously provides a dual 10G Ethernet.

The invention discloses an SFP (Small Form-Factor Pluggable Transceiver) optical module electrifying circuit comprising an MOS (Metal Oxide Semiconductor) switch group, wherein the MOS switch group comprises two MOS switches; the S end of each MOS switch is connected with VCCIN; the G end of each MOS switch is earthed by a resistor; a capacitor is connected in series between the G end and the S end; and the D end of each switch is connected with output VCCOUT. According to the electrifying circuit disclosed by the invention, the damage of surge current in the electrifying process of the SFP optical module on a system can be effectively lowered, and parameters are regulated as required so that the electrifying times of the power supply of the optical module transmitting and receiving end circuit are respectively controlled.

The invention discloses a detecting device and a detecting method of time sequence parameters of a small package pluggable transceiver. The device comprises a test board, a module to be tested, a standard module, singlechips and an upper computer, wherein the test board is provided with two slots, the module to be tested is plugged in one slot, the standard module is plugged in the other slot, a transmitting terminal of the module to be tested is connected with a receiving terminal of the standard module via optical fiber, a receiving terminal of the module to be tested is connected with a transmitting terminal of the standard module via optical fiber, the singlechips are plugged in parallel on the test board, the singlechips are respectively a control-type singlechip and a bus-type singlechip, time sequence pins of the module to be tested and the standard module are respectively electrically connected with input / output ports of the control-type singlechip via the test board, the control-type singlechip is electrically connected with the bus-type singlechip via a serial bus, and the bus-type singlechip is communicated with the upper computer via a USB conversion chip and a serial conversion chip on the test board. The invention can realize the effects of automated testing, simple operation and high measurement accuracy.

The invention discloses a laser transceiving device, a manufacturing method thereof and a method for improving temperature operation range thereof. A low-cost laser transmitter module TOSA (transmitter optical subassembly) is utilized to broaden the temperature operation range of laser transceiving integration modules of a small form-factor pluggable transceiver (SFP) or an SFP+ and the like, and a heater and a laser diode are packaged and integrated in the TOSA of a TO-CAN. Operation temperature of the SFP+ laser transceiving module is monitored by integrating a temperature sensor on a circuit board of the SFP+, or operation temperature of a TOSA laser is calculated by detecting bias current and output power of the laser, the heater in the TOSA positioned on the laser transceiving module is controlled through a heat control circuit and software, the software starts the control circuit and supplies power to the heater to heat the laser diode if the detected temperature is lower than a set threshold, and the software switches off the control circuit to stop heating the laser diode if the detected temperature is higher than the set threshold.

A small form factor pluggable transceiver module (100) comprises an RJ connector (1) with a robust interface, a printed circuit board assembly (2), a cage (4), a frame (5) and a latch mechanism (6). The RJ connector further includes a shielding shell (11), a housing (12) received in the shielding shell, an RJ contact module (13) received in the housing, and an engaging clamp (3). The RJ connector attaches to the printed circuit board assembly. The engaging clamp provides a stronger, more reliable mechanical connection between the printed circuit board assembly and the RJ connector.

The invention discloses an SFP (Small Form-Factor Pluggable Transceiver) optical module electrifying circuit comprising an MOS (Metal Oxide Semiconductor) switch group, wherein the MOS switch group comprises two MOS switches; the S end of each MOS switch is connected with VCCIN; the G end of each MOS switch is earthed by a resistor; a capacitor is connected in series between the G end and the S end; and the D end of each switch is connected with output VCCOUT. According to the electrifying circuit disclosed by the invention, the damage of surge current in the electrifying process of the SFP optical module on a system can be effectively lowered, and parameters are regulated as required so that the electrifying times of the power supply of the optical module transmitting and receiving end circuit are respectively controlled.