CN210839575U - Laser one-way signal transmission device based on atmospheric space - Google Patents
Laser one-way signal transmission device based on atmospheric space Download PDFInfo
- Publication number
- CN210839575U CN210839575U CN202020216240.6U CN202020216240U CN210839575U CN 210839575 U CN210839575 U CN 210839575U CN 202020216240 U CN202020216240 U CN 202020216240U CN 210839575 U CN210839575 U CN 210839575U
- Authority
- CN
- China
- Prior art keywords
- signal
- laser
- signal output
- transmission device
- signal transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008054 signal transmission Effects 0.000 title claims abstract description 43
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 24
- 230000003287 optical effect Effects 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model provides a one-way signal transmission device of laser based on atmosphere space, include: the laser light source comprises a shell and a substrate arranged in the shell, wherein a signal input unit and a signal output unit are arranged on the substrate, a signal input terminal and a signal modulation part are arranged on the side of the signal input unit, the signal modulation part is connected with a light emitting head, a laser signal is emitted by the light emitting head, and the signal input terminal is used for being connected with external network equipment; and a signal demodulation part and a signal output terminal are arranged on the side of the signal output unit, the signal demodulation part is connected with a light receiver, the light receiver receives the laser signal, and the signal output terminal is used for connecting intranet equipment. The laser unidirectional signal transmission device realizes unidirectional transmission of data without physical line connection, and ensures the safety of data transmission between an external network and an internal network or between a secret-involved network and a non-secret-involved network.
Description
Technical Field
The embodiment of the utility model relates to a signal transmission technical field to more specifically, relate to one-way signal transmission device of atmosphere space laser.
Background
In the technical field of signal transmission, in order to meet the requirement of signal confidentiality, a non-feedback one-way transmission technology is adopted. The traditional one-way feedback-free transmission technology is composed of a 2+1 structure, namely an intranet host, an extranet host and a one-way transmission unit. The inner network processing unit and the outer network processing unit are respectively connected with two networks with different safety levels, and the one-way transmission unit is formed by connecting two universal optical transmission modules (respectively arranged on an inner network host and an outer network host) and a single optical fiber. The outer net processing unit transmits signals to the inner net processing unit in a single direction through the unique optical fiber line. Thus, a unidirectional transmission system from the low-security-level network to the high-security-level network is formed. In summary, the conventional optical fiber-based unidirectional transmission technology needs to establish a signal path by using a single optical fiber for connection between the optical transmitter module and the optical receiver module. According to the requirements of the current security and privacy policy, the secret-involved network and the non-secret-involved network cannot be physically connected, and the use of the technology has certain risks.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an embodiment provides a one-way signal transmission device of laser need not physical connection signal input and output, can follow the outer net to the one-way transmission data of intranet, guarantees the security of intranet data.
The utility model discloses an aspect provides a one-way signal transmission device of laser, and this signal transmission device includes:
a housing, and a substrate disposed within the housing,
a signal input unit and a signal output unit are arranged on the substrate,
a signal input terminal and a signal modulation part are arranged on the side of the signal input unit, the signal modulation part is connected with the light emitting head to emit laser signals, and the signal input terminal is used for connecting external network equipment;
the signal output unit is provided with a signal demodulation unit and a signal output terminal, the signal demodulation unit is connected with a light receiver to receive the laser signal, and the signal output terminal is used for connecting intranet equipment.
In the aspect and any one of the possible implementations described above, there is further provided an implementation in which a bracket is further fixedly provided in the housing, and the bracket is provided with a base for mounting the light emitting head and the light receiving unit at both ends of the substrate, respectively, so that the light emitting head and the light receiving unit are opposed to each other.
The above aspect and any possible implementation manner further provide an implementation manner, wherein an authentication information pickup unit is disposed on the top wall of the housing, the authentication information pickup unit is connected to the signal output unit, and the picked-up authentication information can be sent to the intranet equipment through the signal output terminal.
The above-described aspects and any possible implementations further provide an implementation in which the authentication information pickup unit includes at least one of an NFC pickup and a fingerprint pickup.
The above aspects and any possible implementations further provide an implementation in which, as the light emitting head, the signal input unit has a laser generating element connected to the emission laser lens through a pigtail;
the signal output unit includes a laser light receiving element as the light receiver, and is connected to a reception laser lens through a pigtail.
The above aspects and any possible implementations further provide an implementation in which the signal input terminal includes at least one of PCIe, USB interface, network interface, and lightning interface; the signal output terminal comprises at least one of PCIe interface, USB interface, network interface and thunder and lightning interface.
The above aspect and any possible implementation manner further provide an implementation manner, where the bracket includes an elongated bottom plate and two bases disposed at two ends of the bottom plate, and the bases are fixed to the bottom plate by screws.
The above aspect and any possible implementation manner further provide an implementation manner, wherein the bottom plate is a metal plate 9-30 cm long and 3-10 cm wide.
The above aspects and any possible implementations further provide an implementation where the transmit and receive laser lenses are of the model CCX-L007-FC-f 10.
The above aspect and any possible implementation manner further provide an implementation manner, wherein the signal output unit is provided with an indicator for displaying a connection state with the intranet equipment, and the indicator is exposed to the outer surface of the housing through the opening of the housing.
The utility model provides a pair of one-way signal transmission ware of laser, the signal transmission of telecommunication that the signal input unit sent the extranet equipment that signal input terminal received is to signal modulation portion, signal modulation portion converts the signal of telecommunication into optical signal, optical signal transmission to light emitting head, light emitting head transmission laser signal, the laser signal of light emitting head transmission is received to the photic device of signal output unit, the signal modulation portion of the signal output unit who is connected with the photic device converts optical signal into the signal of telecommunication, signal transmission to signal output terminal, send the signal of telecommunication to intranet equipment by signal output terminal, thereby realize not having the one-way transmission of physics circuit connection to carry out data, guarantee extranet and intranet or the security of data transmission between secret involved net and the non-secret involved net.
The authentication information pickup unit is connected to the signal output terminal of the signal output unit, and transmits authentication information to the internal network device to identify whether or not the signal transmitted from the external network device is allowed to be transmitted.
The signal input unit is provided with a laser generating element which can only emit laser, the signal output unit is provided with a laser light receiving element which can only detect received laser, so that the signal can flow in one direction from the signal input unit to the signal output unit and cannot be transmitted from the signal output unit to the signal input unit, and the irreversible transmission of the signal in one direction is realized.
The signal input terminal and the signal output terminal respectively adopt PCIe (peripheral component interface express), a USB (universal serial bus) interface, a network port and a thunder and lightning interface, so that the signal transmitter can be installed on a machine mainboard and also can be connected with an external interface of a machine, and the connection and placement flexibility of the signal transmitter is improved.
The light emitting head and the light receiver are laser lenses for emitting and receiving respectively, the model is CCX-L007-FC-f10, and the laser lens with large beam diameter is adopted, so that the coverage area of the beam in the free space is increased.
The base of the signal transmitter is provided with the light emitting head and the light receiver which are oppositely arranged on the bottom plate so as to be on the same straight line. The base controls the relative position of the light emitting head and the light receiver, the distance between the light emitting head and the light receiver is adjusted, and the attenuation of light waves in free space is reduced while the accurate receiving of laser signals is guaranteed. The shell and the substrate cover the outside of the light-emitting head and the light receiver, and the shell shields and protects the laser lens, so that dust is prevented from being attached to the laser lens to influence signal emission and reception, and pollution resistance is realized.
The signal output unit is provided with an indicator which can display the connection state of the signal transmitter and the intranet equipment, and the signal transmission state can be conveniently checked.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
fig. 1 is a schematic structural diagram of a signal transmission device according to an embodiment of the present invention;
fig. 2 shows a signal transmission schematic block diagram of a signal transmission device according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 2 is:
100 signal input unit, 110 signal input terminal, 120 signal modulation part, 130 laser generating element, 140 laser lens for emission, 200 signal output unit, 210 signal output terminal, 220 signal demodulation part, 230 laser light receiving element, 240 laser lens for reception, 310 housing, 320 substrate, 330 support, 331 bottom plate, 332 base, 400 authentication information pickup unit, 500 indicator.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The laser unidirectional signal transmission device according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
The laser unidirectional signal transmission device comprises a signal input unit 100 and a signal output unit 200, wherein the signal input unit 100 is used for performing electro-optical conversion on signals sent by an external network device and sending the signals to the signal output unit 200, and the signal output unit 200 is used for performing electro-optical conversion on received signals and transmitting the signals to an internal network device. The signal input unit 100 and the signal output unit 200 are disposed on a substrate 320 within a housing 310, and are respectively mounted on both ends of the substrate 320, and the housing 310 covers the signal input unit 100 and the signal output unit 200 therein.
The signal input unit 100 side includes a signal input terminal 110, a signal modulation section 120, a laser light generating element 130, and a laser lens 140 for emission. The signal input terminal 110 is connected to an external network device and receives a signal transmitted from the external network device, and an output end of the signal input terminal 110 is connected to the signal modulation unit 120 and transmits the signal transmitted from the external network device to the signal modulation unit 120. The signal input terminal 110 includes at least one of a USB interface, a network port, and a lightning interface. The signal input unit 100 can be easily connected to an external network device using the signal input terminal 110, and can receive an information signal or the like transmitted from the external network device.
In the present embodiment, a signal transmitted from an external network device via the signal input terminal 110 is modulated by the signal modulation unit 120. The signal modulation unit 120 modulates the information signal received from the external network device in accordance with the signal demodulation unit 220 described later, and can encrypt the signal and perform processing that satisfies the internal protocol of the signal transmission device.
The signal modulated by the signal modulation section 120 is emitted as laser light by the laser light generating element 130 of the signal input unit 100, and the laser light including the received information signal is formed. The laser generating element 130 is connected to a laser lens 140 for emission through a pigtail, and the laser lens 140 for emission is a laser collimator, and collimates laser and emits the laser to the signal output unit 200.
In this embodiment, the laser lens 140 for emission preferably uses a laser lens of the type CCX-L007-FC-f10, and the lens is a K9 ball lens.
In the present embodiment, the signal transmission from the signal input unit 100 to the signal output unit 200 is performed using a system in which the laser light generating element 130 provided on the substrate is connected to the emission laser lens 140 via a pigtail, that is, the emission laser lens 140 is used as a light emitting head. A laser lens integrated with a laser generating element may be directly used as the light emitting head, and the signal light emitting head may be connected to the signal input unit 100 using a lead wire electrically connected thereto.
The signal output unit 200 includes a signal output terminal 210, a signal demodulation unit 220, a laser light receiving element 230, and a reception laser lens 240. The signal demodulating unit 220 is connected to the laser light receiving element 230 via a pigtail, and the laser light receiving element 230 is connected to the receiving laser lens 240 via a pigtail. The laser light emitted from the light emitting head enters the receiving laser lens 240 and is transmitted to the laser light receiving element 230, and the laser light receiving element 230 receives the laser light signal and transmits the laser light signal to the signal demodulating unit 220. In this embodiment, the laser lens for reception 240 is preferably a laser lens of the type CCX-L007-FC-f10, and the lens is preferably a K9 ball lens.
In the present embodiment, the signal output unit 200 receives a signal from the signal input unit 100 by using a system in which the laser light receiving element 230 provided on the substrate is connected to the reception laser lens 240 via a pigtail, that is, the reception laser lens 240 serves as a light receiver. A laser lens integrated with a laser light receiving element may be used as the light receiver, and in this case, the signal light receiver may be connected to the signal output unit 200 using an electrically connected lead wire.
The signal demodulation unit 220 demodulates the received signal in accordance with the signal modulation unit 120, and the signal demodulation unit 220 is a photoelectric converter that converts the optical signal input from the laser light receiving element 230 into an electrical signal. The signal demodulation unit 220 is connected to an input terminal of the signal output terminal 210, and transmits an electric signal to the signal output terminal 210, and the signal output terminal 210 is connected to an intranet device and transmits the received electric signal to the intranet device. The signal output terminal 210 includes at least one of a USB interface, a network port, and a lightning interface. The signal output unit 200 can be connected to an intranet device by a signal output terminal 210 and can transmit an information signal or the like to the intranet device.
The signal input unit 100 and the signal output unit 200 are disposed on a substrate 320, a housing 310 is disposed on the substrate 320 in a covering manner, and a support 330 is further fixedly disposed in the housing 310. Two ends of the side wall of the housing 310 are provided with openings, and the openings respectively correspond to the signal input terminal 110 and the signal output terminal 210, and are used for connecting the signal input terminal 110 with an external network device and connecting the signal output terminal 210 with an internal network device. The holder 330 includes a base plate 331 and a base 332, the base plate 331 is fixed to the substrate 320 by screws, the base 332 is provided at each of both ends of the base plate 331, the base 332 is fixed to the base plate 331 by screws, the base 332 fixes the signal input unit 100 and the signal output unit 200 to the base plate 331, respectively, and the base 332 adjusts the relative positions of the signal input unit 100 and the signal output unit 200 so that the transmission laser lens 140 and the reception laser lens 240 face each other. The base plate 331 is a metal plate 9 to 30cm long and 3 to 10cm wide, and the base 332 adjusts the distance between the transmission laser lens 140 and the reception laser lens 240 on the base plate 331, and preferably, the distance between the transmission laser lens 140 and the reception laser lens 240 is 10 cm. The housing 310 and the substrate 320 are covered outside the transmitting laser lens 140 and the receiving laser lens 240, and are shielded and protected to prevent dust from adhering to the laser lenses to affect signal transmission and reception and prevent pollution. The substrate 320 is provided with a power supply unit for supplying power to each unit and component.
An authentication information pickup unit 400 is further provided on the top wall of the housing 310, the authentication information pickup unit 400 is connected to the signal output terminal 210 of the signal output unit 200, the authentication information pickup unit 400 includes at least one of an NFC pickup and a fingerprint pickup, authentication information of a signal sender is extracted through the NFC pickup and/or the fingerprint pickup, the NFC pickup and/or the fingerprint pickup transmits authentication information of a user who performs a data transfer operation to the intranet device through the signal output terminal 210, and the intranet device authenticates whether the transfer operation is performed by an authorized user, thereby ensuring that a specified user having an operation authority can perform the transfer operation.
The signal output unit 200 is provided with an indicator 500, and the indicator 500 is exposed to the outer surface of the housing 310 through the opening of the housing 310. In the present embodiment, the indicator 500 is an LED indicator for displaying the connection state of the signal output unit 200 and the intranet equipment. Preferably, when the LED indicator of the indicator 500 is turned on, it indicates that the connection between the signal output unit 200 and the intranet device is completed, and at this time, the user can operate the extranet device connected to the signal input unit 100 to transmit data to the intranet device. In addition, in the event of an unexpected error during transmission, the indicator 500 may display an error message to the user by causing the LED indicator to color/flash, prompting the user to terminate the current transmission process and resume the transmission. In other embodiments, the indicator 500 may also be an information display screen or the like for displaying the connection state of the intranet device, the signal receiving state of the signal output unit 200, the signal sender and the authentication information pickup state, and the like, and facilitating viewing of the signal transmission state. The status of authentication of the user of the transmission operation can be displayed by the indicator 500, and in the case of the present embodiment, the status can be similarly realized by using different colors and blinking states of the LED indicator lamps. The side wall of the housing 310 is provided with a window at a position corresponding to the indicator 500 for observing the LED indicator or connecting a display screen.
According to the utility model discloses a one-way signal transmission device of laser can avoid having the physics to connect, guarantee information transmission's safety between signal input unit 100 and the signal output unit 200 completely. Just the utility model discloses an one-way signal transmission device of laser holds and in the casing, and extranet equipment and intranet equipment are connected respectively to net twine, USB line, the thunder and lightning data line that the accessible used usually, improve one-way signal transmission device's portability and convenience of use greatly. In addition, the signal input terminal 110 on the signal input unit 100 side or the signal output terminal 210 on the signal output unit 200 side may be provided as a dedicated PCIe terminal, and the housing may be configured as a PCIe interface card of the computer; or also can form the lead wire form into PCIe plug to conveniently will the utility model discloses a one-way signal transmission device of laser and the PCIe slot connection of extranet equipment or intranet equipment realize the one-way signal transmission of extranet equipment to the intranet equipment. According to the utility model discloses an among the one-way signal transmission device of laser, utilize laser to convey data signal etc. to signal output unit 200 from signal input unit 100 through the atmosphere space to make signal input unit 100 and signal output unit 200 realize complete physics and keep apart, thereby ensure and utilizing the utility model discloses a when one-way signal transmission device of laser carries out the signal transmission of extranet equipment to intranet equipment, there is not because of unexpected action or the artificial modification that goes on equipment and the danger of the leakage of intranet equipment information that leads to.
Whether the transmission is allowed to be started or not can be conveniently confirmed by setting the indicator 500, and the usability of the laser unidirectional signal transmission device is greatly improved.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A laser unidirectional signal transmission device based on atmospheric space is characterized in that,
the method comprises the following steps: a housing, and a substrate disposed within the housing,
a signal input unit and a signal output unit are arranged on the substrate,
a signal input terminal and a signal modulation part are arranged on the side of the signal input unit, the signal modulation part is connected with the light emitting head, the light emitting head emits laser signals, and the signal input terminal is used for connecting external network equipment;
and a signal demodulation part and a signal output terminal are arranged on the side of the signal output unit, the signal demodulation part is connected with a light receiver, the light receiver receives the laser signal, and the signal output terminal is used for connecting intranet equipment.
2. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 1,
the casing is also fixedly provided with a bracket, and the two ends of the substrate of the bracket are respectively provided with a base used for installing the light-emitting head and the light receiver so that the light-emitting head and the light receiver are opposite.
3. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 1,
and an authentication information pickup unit is arranged on the top wall of the shell, is connected with the signal output unit and can send picked authentication information to the intranet equipment through the signal output terminal.
4. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 3,
the authentication information pickup unit includes at least one of an NFC pickup and a fingerprint pickup.
5. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 2,
the signal input unit is used as the light emitting head and is provided with a laser generating element and is connected with the laser lens for emission through a tail fiber;
the signal output unit includes a laser light receiving element as the light receiver, and is connected to a reception laser lens through a pigtail.
6. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 5,
the signal input terminal comprises at least one of a USB interface, a network port and a lightning interface;
the signal output terminal comprises at least one of a USB interface, a network port and a lightning interface.
7. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 2,
the support includes microscler bottom plate and sets up two at bottom plate both ends the base, the base pass through the screw with the bottom plate is fixed.
8. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 7,
the bottom plate is a metal plate 9-30 cm long and 3-10 cm wide.
9. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 8,
the type of the laser lens for transmitting and receiving is CCX-L007-FC-f 10.
10. The one-way signal transmission device of laser based on atmospheric space as claimed in claim 1,
the signal output unit is provided with an indicator for displaying the connection state with intranet equipment, and the indicator is exposed out of the outer surface of the shell through the opening of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216240.6U CN210839575U (en) | 2020-02-26 | 2020-02-26 | Laser one-way signal transmission device based on atmospheric space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216240.6U CN210839575U (en) | 2020-02-26 | 2020-02-26 | Laser one-way signal transmission device based on atmospheric space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210839575U true CN210839575U (en) | 2020-06-23 |
Family
ID=71253092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216240.6U Active CN210839575U (en) | 2020-02-26 | 2020-02-26 | Laser one-way signal transmission device based on atmospheric space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210839575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113344163A (en) * | 2021-05-24 | 2021-09-03 | 南通大学 | Mobile memory and method for realizing one-way data transmission based on NFC |
-
2020
- 2020-02-26 CN CN202020216240.6U patent/CN210839575U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113344163A (en) * | 2021-05-24 | 2021-09-03 | 南通大学 | Mobile memory and method for realizing one-way data transmission based on NFC |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104539640B (en) | Managed connectivity devices, systems and methods | |
| US7331819B2 (en) | Media converter | |
| US8165297B2 (en) | Transceiver with controller for authentication | |
| US8687966B2 (en) | Fiber optic transceiver module with optical diagnostic data output | |
| JP2005518146A5 (en) | ||
| JPH07162186A (en) | Optical transceiver unit | |
| US20090015419A1 (en) | Multipurpose indicator lights | |
| WO2022037115A1 (en) | Composite connector, composite module, composite cable assembly, and optical plug | |
| CN210839575U (en) | Laser one-way signal transmission device based on atmospheric space | |
| CN112751619A (en) | Photoelectric composite optical module | |
| CN106027148A (en) | Visible light communication system and method | |
| EP4002772A1 (en) | Poe power supply device, poe power supply system, and interface part | |
| CN210405311U (en) | Active wired sky leads to satellite communication equipment | |
| CN217007780U (en) | Optical module | |
| US8295702B2 (en) | Optical media converter system | |
| JPH1114852A (en) | Photoelectric composite instrument | |
| JP2001185783A (en) | Device and method or preventing laser beam unnecessary leakage and optical communication system using the same | |
| CN217655449U (en) | Multi-machine emission control system | |
| US10374920B2 (en) | Communication media and methods for providing indication of signal power to a network entity | |
| CN214799501U (en) | Network system with power supply system | |
| CN1197560A (en) | System, method and device for monitoring a fiber optic cable | |
| CN210016448U (en) | Isolation communication circuit for realizing self-checking | |
| CN108023897A (en) | Communication port and the electronic equipment with the communication port | |
| KR102011711B1 (en) | Patch panel with function of port extension | |
| CN110677745A (en) | Power distribution apparatus, system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |