TWI470295B - An optical transport module with bypass switch function and a device housing thereof - Google Patents

Description

Optical transmission module with bypass switch function and device housing matched with the same

The invention relates to an optical transmission module, and more particularly to an optical transmission module without a built-in photoelectric converter and having a bypass switch function and a device housing used therewith.

With the rapid development of network technology, it is known that copper cables for transmitting signals are gradually replaced by optical fiber cables. Compared with conventional copper cables, optical fiber cables are not only small in size but also free from electromagnetic interference. The advantage is that it can provide fast and large-scale signal transmission. The fiber-optic network technology using fiber-optic cable as a signal transmission medium is widely used in communication between various industries or devices.

The optical transmission module is a necessary device in the optical fiber network application, and the optical transmission module is respectively coupled to an in-line equipment (In-Line Equipment) and a fiber-optic network device, and the optical transmission module is provided with a photoelectric converter (O/ E Converter's circuit board converts electrical signals into optical signals and sends them to fiber-optic network devices. It also converts received optical signals into electrical signals and transmits them to online devices. However, since the optical signal is transmitted by optical refraction and total reflection in the optical fiber cable, the optical fiber cable in the optical transmission module must have a certain degree of bending radius (Bending Radius: according to EAI/TIA 568 specification) The multimode optical cable wiring has a bending radius of not less than 25 mm) so that the optical signal continues to be transmitted through the optical fiber cable without attenuating. As shown in FIG. 1, the optical transmission module 1 is wound with a plurality of optical fiber cables 11 each. The optical fiber cable 11 is wound along the inner wall surface 12 of the optical transmission module 1 or on a reel (not shown) so that the bending radius of the optical fiber cable conforms to the specification, so that the volume of the optical transmission module body cannot be It has been reduced, and the development trend of miniaturization of the optical transmission module body cannot be achieved.

In addition, the conventional optical transmission module usually has a built-in photoelectric converter, so that the manufacturing cost of the optical transmission module cannot be effectively reduced, and the brand and hardware specifications of the photoelectric converter in the optical transmission module cannot be arbitrarily replaced.

Based on the foregoing, how to provide an optical transmission module that can effectively reduce the manufacturing cost and the occupied volume is an urgent problem to be solved by those skilled in the art.

In view of the above problems of the prior art, the main object of the present invention is to provide an optical transmission module having a bypass switch function to effectively reduce the manufacturing cost of the optical transmission module.

A secondary object of the present invention is to provide an optical transmission module having a bypass switch function and reduce the volume occupied by the optical transmission module body.

In order to achieve the above and other objects, the present invention provides an optical transmission module having a bypass switch function, which is coupled to a plurality of sets of corresponding photoelectric converters and optical fiber network devices disposed outside, the optical transmission mode The group has a module outer casing, a plurality of sets of photoelectric conversion output optical connectors (optical connectors), and a plurality of sets of optical multiplexers (optical Adapters). The module housing system has a circuit board with a light switch and a telecommunication control port, and the telecommunication control system exposes the module outer body, and is coupled to the online device. The plurality of sets of photoelectric conversion output cable connectors extend out of the module outer casing, and are respectively coupled to a set of photoelectric converters. Each of the photoelectric conversion output cable connectors and one photoelectric conversion output cable coupling The input/output optical cable for photoelectric conversion extends at least inside the module outer casing until being coupled to the optical switch. The first end of each of the optical transceivers exposes the module outer casing to be coupled to a group of optical network devices. The second end of each of the optical transceivers is coupled to the optical transceiver cable, and the optical transceiver cable extends at least inside the module housing until being coupled to the optical switch; wherein the optical switch performs the general mode. Having each of the fiber optic network devices in communication with the corresponding photoelectric converter; or the optical switch is configured to perform a bypass mode to cut off communication between each of the fiber optic network devices and the corresponding photoelectric converter, and to cause each of the optical fibers The road devices communicate with each other to transmit optical signals.

In addition, the other end of the photoelectric conversion output cable can also extend through the module outer casing, and then extend into the module outer casing and then be coupled to the optical switch after bypassing the protrusion of the external interference of the module; The fiber optic cable also extends through the module outer casing, and then extends into the module outer casing to bypass the convexity of the outer portion of the module and is coupled to the optical switch. The optical transmission module of the present invention further includes a plurality of sets of converter outer casings, each of the converter outer casings having a storage space for housing the aforementioned photoelectric converter. The module housing system can be placed above or to the sides of each of the converter housings. The optical transmission module may further comprise a fiber protection cover, which is capable of covering the portion of the output and optical cable for photoelectric conversion and the optical transceiver cable to leave the module outer casing to protect the optical cable from external force damage. The optical fiber protective shell can be composed of various kinds of shells and the covered optical cable to form an armored cable, and the optical fiber protective shell can be made of at least Kevlar or aramid fiber. Moreover, the fiber protective cover can be adjusted in length according to the size of the interference protrusion to bypass the interference protrusion.

Furthermore, the outer wall surface of the module outer casing can extend out of the locking piece for locking the module outer casing to the fixed base. The optical transmission module may further include a prompting light exposing the outer casing of the module to indicate the connection state between the optical fiber network device and the corresponding photoelectric converter. The optical switch can also have a switching signal trigger pin or a level detecting pin.

The invention also provides an optical transmission module with a bypass switch function, which is provided and arranged The external plurality of corresponding photoelectric converters are coupled to the optical fiber network device, and have a module outer casing, a plurality of sets of photoelectric conversion output ports, and a plurality of sets of optical transceivers. The module housing system has a circuit board with a light switch and a telecommunication control port, and the telecommunication control system exposes the module outer body, and is coupled to the online device. The first end of each of the photoelectric conversion output ports exposes the module outer casing to be coupled to one of the plurality of photoelectric converters. The second end of each of the photoelectric conversion output ports is coupled to a photoelectric conversion output cable, and the photoelectric conversion output cable extends at least inside the module outer casing until being coupled to the optical switch. The first end of each of the optical transceivers exposes the module outer casing to be coupled to a group of optical network devices. The second end of each of the optical transceivers is coupled to an optical transceiver cable, and the optical transceiver cable extends at least inside the module housing until being coupled to the optical switch; wherein the optical switch performs the general mode Having each of the fiber optic network devices in communication with the corresponding photoelectric converter; or the optical switch is configured to perform a bypass mode to cut off communication between each of the fiber optic network devices and the corresponding photoelectric converter, and to cause each of the optical fibers Network devices communicate with each other to transmit optical signals.

In addition, the photoelectric conversion output cable can also extend through the module outer casing, bypass the interference protrusion outside the module, and then extend into the module outer casing to be coupled with the optical switch. The optical transceiver cable also extends through the module outer casing, and then extends into the module outer casing to bypass the interference protrusion and is coupled to the optical switch. The photoelectric conversion output port and the optical transceiver further expose an end of the module outer casing to have an MTP or MPO adapter. The photoelectric conversion output cable and the optical transceiver cable are coupled to one end of the optical switch to have an MTP or MPO connector.

The optical transmission module provided by the present invention is further provided, wherein the circuit board further includes a management unit, configured to monitor an operation state of the online device, and continuously monitor the online device when monitoring the online device to operate normally, or The optical switch performs a general mode, and when the online device is abnormally operated, the operating system of the online device is restarted, or the optical switch is caused to perform the bypass mode. The module outer casing may also be omitted and carried, for example, as a circuit board or a casing member capable of providing a fixed or load-bearing function. Seat, to set the light switch and telecommunications control.

The invention further provides a device housing matched with the above optical transmission module, the device housing comprising a shell body and a control socket. The shell body is recessed with a module storage space having an open port, and the light transmission module enters the module storage space through the open port. The control socket is exposed on the inner wall surface of the housing body of the housing body module, and has a coupling relationship with the online device, so that the telecommunications control module of the optical transmission module is plugged in to complete the coupling of the telecommunication control and the online device. The housing body may also be recessed with a converter housing space to receive the photoelectric converter.

In summary, the present invention provides an optical transmission module having a bypass switch function and a device housing for use therewith, and the optical cable for transmitting the optical signal can be wound inside the module outer casing or through the module outer casing. And bypassing the protrusions of the external interference of the module, so that the radius of the bending of the optical cable can conform to the standard specification, so that the optical signal can be continuously transmitted in the optical cable without attenuation, compared with the conventional optical transmission module, the present invention The optical transmission module is external rather than built-in photoelectric converter, which can reduce the production cost, and can be matched with various types of brand and hardware specifications of photoelectric converters, which can greatly enhance the versatility of the product.

1‧‧‧Optical transmission module

11‧‧‧Fiber Cable

12‧‧‧ inner wall

2, 2'‧‧‧ optical transmission module

21, 21'‧‧‧ module outer casing

211, 211 '‧‧‧ optical switch

212, 212'‧‧‧Telecom Controls

213‧‧‧Lock film

214, 214'‧‧‧Management Unit

22‧‧‧First photoelectric conversion output cable connector

22'‧‧‧The first photoelectric conversion output

221, 221 '‧‧‧first photoelectric conversion output cable

23, 23'‧‧‧First optical transceiver

231, 231'‧‧‧ first optical transceiver cable

24, 24'‧‧‧Second optical transceiver

241, 241'‧‧‧second optical transceiver cable

25‧‧‧Second photoelectric conversion output cable connector

25'‧‧‧Second photoelectric conversion output

251'‧‧‧Second photoelectric conversion output cable

26‧‧‧First converter housing

26'‧‧‧Second converter housing

27‧‧‧Fiber protective case

28, 28'‧‧‧ Carrier

29‧‧‧ Tip light

3‧‧‧Online equipment

4, 4'‧‧‧ first photoelectric converter

5, 5'‧‧‧ second photoelectric converter

6, 6'‧‧‧ first fiber optic network equipment

7, 7'‧‧‧Second fiber optic network equipment

8‧‧‧Subjects of interference

9‧‧‧Device housing

91‧‧‧Shell body

911‧‧‧Modular storage space

912‧‧‧Converter storage space

92‧‧‧Control socket

[Fig. 1] A schematic diagram of winding of a fiber optic cable in a conventional optical transmission module.

2 is a schematic view showing the state of use of the optical transmission module having the bypass switch function of the present invention.

[Fig. 3] is a front view of the optical transmission module having the bypass switch function shown in Fig. 2 .

[Fig. 4] is a rear view of the optical transmission module having the bypass switch function shown in Fig. 2 .

FIG. 5 is a system architecture diagram of a first embodiment of an optical transmission module having a bypass switch function according to the present invention.

6 is a system architecture diagram of a second embodiment of an optical transmission module having a bypass switch function according to the present invention.

7 is a system architecture diagram of a third embodiment of an optical transmission module having a bypass switch function according to the present invention.

8 is a block diagram of coupling a plurality of optical network devices using the optical transmission module having the bypass switch function of the present invention.

9 is a block diagram of a fiber optic network device and an online device coupled to an optical transmission module having a bypass switch function according to the present invention.

FIG. 10 is a system architecture diagram of a fourth embodiment of an optical transmission module having a bypass switch function according to the present invention.

FIG. 11 is a system architecture diagram of a fifth embodiment of an optical transmission module having a bypass switch function according to the present invention.

FIG. 12 is a schematic diagram of a device housing used in conjunction with the optical transmission module of the present invention.

The technical contents of the present invention are described below by way of specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure of the present specification. The invention may also be embodied or applied by other different embodiments. The details of the present invention can be variously modified and changed without departing from the spirit and scope of the invention.

In order to reduce the manufacturing cost and the occupied volume of the optical transmission module, the present invention provides an optical transmission module without a built-in photoelectric converter and having a bypass switch function. Referring to FIG. 2 to FIG. 5, it is the present invention. Schematic diagram of an optical transmission module with a bypass switch function. Please refer to FIG. 8 to FIG. 9 , which are schematic diagrams showing the use state of the optical transmission module with the bypass switch function of the present invention. As shown in FIG. 8, the optical transmission module 2 of the present invention is coupled to the external online device 3, the first photoelectric converter 4, the second photoelectric converter 5, the first optical network device 6 and the second The fiber optic network device 7, wherein the first and second photoelectric converters 4, 5 correspond to the first and second fiber optic network devices 6, 7, respectively. When the online device 3 is in normal operation, the optical transmission module 2 performs a normal mode. When the normal mode is executed, the first and second optical network devices 6 and 7 respectively pass through the first and second photoelectric converters. 4, 5 for photoelectric signal conversion, and coupled with the online device 3 for signal transmission, in particular, the first and second photoelectric converters 4, 5 can Converting the optical signals of the first and second fiber optic network devices 6, 7 into corresponding electrical signals, and transmitting the converted electrical signals to the online device 3, and further, the first and second photoelectric converters 4, 5 The electrical signals of the online device 3 can also be converted into corresponding optical signals and transmitted to the first and second optical network devices 6, 7 respectively. Thus, the optical transmission module of the present invention can be quickly provided by optical communication technology. With a lot of signal transmission. As shown in FIG. 9, when the online device 3 is interrupted or the power is interrupted, the optical transmission module 2 can perform a bypass mode. When the mode is executed, the optical transmission module 2 can utilize the provided side. The switch function interrupts the optical signal transmission of the first and second fiber optic network devices 6, 7 and the corresponding first and second photoelectric converters 4, 5, and causes the first and second fiber optic network devices 6, 7 to each other The effect of connecting and transmitting optical signals to each other to form an optical bypass is that the optical signal can pass through the optical transmission module 2 and pass between the first and second optical network devices 6, 7 even if the online device 3 stops operating. Without causing interruption of signal transmission by the network system.

As shown in FIG. 5, the optical transmission module 2 is adjacent to an interference protrusion 8 such as a heat sink disposed outside the module on the substrate, and has a module outer casing 21 and a first photoelectric conversion output cable 221 The first optical transceiver 23, the second optical transceiver 24, and the second photoelectric conversion output cable 251. The inside of the module outer casing 21 is provided with a circuit board (not shown) of the optical switch 211 and the telecommunication control unit 212. The telecommunication control unit 212 has an interface for exposing the module outer casing 21 for setting and setting. The online device 3 is externally coupled to the module, and the online device 3 can transmit a control signal to the optical switch 211 through the telecommunication control port 212 to switch the execution mode of the optical switch 211. As shown in FIG. 2 and FIG. 4, the telecommunication control is performed. The 埠212 is disposed on the module outer casing 21 to avoid the wall surface position of the interference protrusions 8 to prevent the excessive interference protrusions 8 from blocking the coupling of the line device 3 and the telecommunication control unit 212. The first ends of the first and second photoelectric conversion output cables 221 and 251 are externally exposed to the module outer casing 21, and have first and second photoelectric conversion output cable connectors 22 and 25, which are respectively inserted and connected. The first and second photoelectric converters 4 and 5 outside the module communicate with the first and second photoelectric converters 4 and 5 to perform optical signal transmission. The second ends of the first and second photoelectric conversion output cables 221 and 251 are respectively away from the module housing. The body 21 extends in the direction of the module outer casing 21 through the opening on the back side of the module outer casing 21, and then passes through the opening 8 on the back side of the module outer casing 21 after bypassing the interference protrusion 8 and then extends again. The module outer casing 21 is coupled to the optical switch 211. In the present embodiment, the first and second photoelectric conversion output cable connectors 22, 25 and the first and second optical transceivers 23, 24 are disposed on the module housing 21 with the protrusions 8 facing away from the interference. On the side, the first and second photoelectric conversion output cable connectors 22, 25 and the first and second optical transceivers 23, 24 are disposed at positions of the module outer casing 21, depending on the design.

The first ends of the first and second optical transceivers 23 and 24 have an interface for exposing the module outer casing 21 to be respectively inserted into the first and second optical network devices disposed outside the module. They are coupled to the first and second fiber optic network devices, respectively. The second ends of the first and second optical transceivers 23 and 24 are respectively coupled to the first and second optical transceiver cables 231 and 241, and the first and second optical transceiver cables 231 and 241 are respectively coupled by The first and second optical transceivers 23 and 24 extend away from the module outer casing 21, and pass through the module outer casing 21 through the opening on the back side of the module outer casing 21, and then bypass the interference convex After the workpiece 8 passes through the opening on the back side of the module outer casing 21, it extends into the module outer casing 21 and is coupled to the optical switch 211. It should be noted that the optical switch 211 is configured to perform the general mode, so that the first and second optical network devices are connected to the corresponding first and second photoelectric converters for optical signal transmission; or the optical switch 211 is The bypass mode is executed to disconnect the first and second fiber optic network devices from the corresponding first and second photoelectric converters, and the first and second fiber optic network devices are connected to each other to transmit optical signals. The photoelectric conversion output cables 221 and 251 and the optical transceiver cables 231 and 241 can pass through the module outer casing 21 and bypass the interference protrusions 8, so that the bending angle (or bending radius) can conform to the standard. The specification enables the optical signal to be continuously transmitted in the optical cable without being attenuated. Compared with the conventional optical transmission module, the optical transmission module of the embodiment does not need to wind the optical fiber cable inside the optical transmission module, and can effectively reduce the optical cable. The volume occupied by the body of the optical transmission module to meet the miniaturization development trend.

In addition, as shown in FIG. 5, the optical transmission module 2 may further include a fiber protective casing 27 for covering the first and second photoelectric conversion output cables 221, 251 and the first and second The optical transceiver cables 231, 241 pass through portions of the module outer casing 21 to prevent damage to the optical cable that passes through the module outer casing 21. The fiber protective shell 27 can be internally provided with a wave-shaped steel strip or a polyethylene layer, and the covered optical cable constitutes an Armored Cable to prevent the covered optical cable from being damaged by excessive lateral pressure. In order to achieve the purpose of cable protection. However, the fiber protective casing 27 may also be made of a material of Kevlar Fiber or Aramid Fiber.

In an embodiment of the invention, the optical switch 211 can be a latching optical switch, the optical switch 211 has a switching signal trigger pin, and the online device can transmit the signal through the telecommunication control 212. The trigger pin input triggers the control signal to the optical switch 211 to connect the first and second fiber optic network devices to each other and to transmit optical signals to each other. The optical switch 211 can also be a non-latching optical switch. The optical switch 211 has a level detecting pin. When the level detecting pin is detected by the telecommunication control port 212, the line is detected. When the device outputs a signal that is interrupted by the power supply or the power interruption, the optical switch 211 is configured to perform a bypass mode to connect the first and second optical network devices to each other and transmit optical signals to each other, so that the online device is in an abnormal state. Maintaining signal communication between the first and second fiber optic network devices.

As shown in FIG. 2, the optical transmission module 2 can also be provided with a first converter outer casing (Cage) 26 and a second converter outer casing 26' to provide a storage space for respectively housing the first and second photoelectric conversions. The outer casings 26, 26' may be made of a material such as metal to provide electromagnetic interference (EMI) protection to the first and second photoelectric converters 4, 5. In this embodiment, the first and second converter outer casings 26, 26' and the module outer casing 21 are not integrally provided, and are respectively disposed on the left and right sides of the substrate, but it should be noted that First and second converters The outer casing 26, 26' is integrally formed with the module outer casing 21; the first and second photoelectric converters 4, 5 housed in the first and second converter outer casings 26, 26' can pass through the substrate and the online device, respectively. Electrically connected, so that the first and second photoelectric converters 4, 5 can respectively transmit electrical signals to and from the online device. As shown in FIG. 2, the module outer casing 21 is disposed on the first and second converter housings. Above the body 26, 26', the support is provided by the first and second converter outer casings 26, 26', but not limited thereto, if the width is not limited, the module outer casing 21 may also be directly selected. The first and second converter outer casings 26 and 26' are disposed on the left and right sides of the module outer casing 21, and are disposed on the substrate. Furthermore, the outer wall surface of the module outer casing 21 extends out of the locking piece 213 for locking the module outer casing 21 to the substrate by a locking attachment (not shown) such as a screw, so that the module outer casing The body 21 is less susceptible to external forces and moves relative to the substrate.

In order to enable the operator to effectively grasp the operating state of the optical transmission module, as shown in FIG. 3, the optical transmission module 2 may further be provided with a warning light 29 for exposing the module outer casing 21 to indicate the first and the The communication state between the two optical fiber network devices and the corresponding first and second photoelectric converters is, for example, an LED light bulb. In the present invention, the outer surface of the module outer casing 21 may also be formed with an indication pattern layer (not shown) to indicate the path of the light path of the optical transmission module.

Please refer to FIG. 6 and FIG. 10 , which are system architecture diagrams of the second and fourth embodiments of the optical transmission module of the present invention. In the case where the volume of the optical transmission module is not limited, as shown in FIG. 6, the first and second photoelectric conversion output cables 221 and 251 and the optical transceiver optical cables 231 and 241 may be selected in the module outer casing. 21 is internally wound and coupled to the optical switch 211, so that the optical cables 221, 251, 231, and 241 do not expose the module outer casing 21 and meet the aesthetic requirements.

The optical transmission module of the present invention can also omit the arrangement of the module outer casing in the second embodiment. As shown in FIG. 10, in the embodiment, the optical transmission module 2 has a light switching switch 211 and a telecommunication control port 212. a carrier 28, a plurality of sets of photoelectric conversion output cable connectors 22, 25 and a plurality of sets of optical transceivers 23, 24, wherein the carrier 28 is, for example, a circuit board or a housing member capable of providing a fixed or load bearing function; The telecommunications control unit 212 exposes the carrier 28 and is coupled to the line device. The plurality of sets of photoelectric conversion output cable connectors 22 and 25 extending from the carrier 28 can be respectively coupled to a set of photoelectric converters. The photoelectric conversion output cable connectors 22 and 25 are respectively coupled to the photoelectric conversion output cables 221 and 251, and the photoelectric conversion output cables 221 and 251 are extended until they are coupled to the optical switch 211. The first ends of the plurality of optical transceivers 23, 24 are exposed to the carrier 28, and are respectively coupled to a group of optical network devices. The second ends of the plurality of optical transceivers 23 and 24 are respectively coupled to the optical transceiver cables 231 and 241, and the optical transceiver cables 231 and 241 are respectively extended until coupled to the optical switch 211.

The carrier 28 can also be provided with a management unit 214 for monitoring the operational status of the online device coupled to the telecommunication control unit 212. When the online device is monitored to be functioning normally, the online device can be continuously monitored when monitoring When the online device is operating abnormally, the operating system of the online device can be restarted through the telecommunication control unit 212. In addition, the management unit 214 can monitor whether the online device plugged into the telecommunication control unit 212 is abnormal for a period of time, and if so, the management unit 214 can wake up the online device, and if not, the management unit 214 continues to monitor the online device. Management unit 214 can be a Watch Dog Time (WDT) wafer. The abnormal operation of the online device refers to the phenomenon that the online device is interrupted or the power is interrupted. In addition, the management unit 214 can also be omitted according to the requirements of the customer to save the overall manufacturing cost, rather than belonging to the necessary components.

In another implementation, the management unit 214 can respectively connect the optical switch 211 and the online device. When it is detected that the operation of the online device is changed from abnormal to normal, the management unit 214 can send the first control command to the optical switch 211. In order to enable the optical switch 211 to perform the general mode, when it is detected that the operation of the online device is normally converted to an abnormality, the management unit 214 may send a second control command to the optical switch 211 to cause the optical switch 211 to perform the bypass mode. .

Please refer to FIG. 7 and FIG. 11 again, which are the third and fifth embodiments of the optical transmission module of the present invention. Unified architecture diagram. As shown in FIG. 7, the optical transmission module 2' has a module outer casing 21', a first photoelectric conversion input/output port 22', a first optical transceiver 23', a second optical transceiver 24', and a second The photoelectric conversion output is 埠25'. The module outer casing 21' is provided with an optical switch 211' and a telecommunication control port 212'. The telecommunication control port 212' is for plugging in an online device, and the online device can transmit a control signal to the optical switch through the telecommunication control port 212'. 211' to switch the execution mode of the optical switch 211'. The first and second optical transceivers 23', 24' and the first ends of the first and second photoelectric conversion input and output ports 22', 25' have an Adapter, for example, in the form of MTP or MPO. The MTP or MPO adapter exposes the module outer casing 21', and can be supported by a plurality of optical fibers extending from one end of a Fan-Out Kits or Fan-Out Cable supporting MTP or MPO adapters. The first and second fiber optic network devices 6', 7' disposed outside the optical transmission module 2' are coupled to the first and second photoelectric converters 4', 5', and it should be noted that the distribution device The other end also has an MTP or MPO connector, and the 俾 is coupled to the MTP or MPO adapter exposed by the optical transmission module 2'. The first and second photoelectric conversion input/output ports 22', 25' and the first and second optical transceivers 23', 24' can be assembled to form a single engagement element, thereby effectively reducing optical transmission. The volume occupied by the module 2' body.

The second ends of the first and second photoelectric conversion output ports 22' and 25' are respectively coupled to the photoelectric conversion output cables 221' and 251', and the photoelectric conversion output cables 221', 251' are at least It extends inside the module outer casing 21' until it is coupled to the optical switch 211'. The second ends of the first and second optical transceivers 23', 24' are coupled to the first and second optical transceiver cables 231', 241', respectively, and the first and second optical transceiver cables 231', 241 'At least inside the module outer casing 21', until it is coupled to the optical switch 211'.

It should be noted that, in other embodiments of the present invention, the first and second photoelectric conversion output cables 221', 251' and the first and second optical transceiver cables 231', 241' may also be extended to After the module outer casing 21' is external, it is then re-entered into the module outer casing 21' and coupled with the optical switch 211' to make light The bending angle (or bending radius) of the cables 221', 251', 231', 241' can conform to standard specifications, allowing the optical signals to continue to be transmitted in the cable without attenuation. The first and second photoelectric conversion output cables 221', 251' and one end of the first and second optical transceiver cables 231', 241' have MTP or MPO connectors for plugging and setting in the optical switch. The MTP or MPO adapter of 211' is coupled to the optical switch 211'.

The optical transmission module of the present invention can also omit the arrangement of the module outer casing in the third embodiment. As shown in FIG. 11, in the embodiment, the optical transmission module is provided with an optical switch 211' and a telecommunication control port 212'. a carrier 28', a plurality of sets of photoelectric conversion output ports 22', 25' and a plurality of sets of optical transceivers 23', 24', wherein the carrier 28' is, for example, a circuit board or has a fixed or load-bearing function. The housing member; the telecommunications control unit 212' exposes the carrier 28' and is coupled to the line device. The first ends of the photoelectric conversion output ports 22' and 25' respectively expose the carrier 28', and may be respectively coupled to a group of photoelectric converters. The second ends of the photoelectric conversion output ports 22', 25' are respectively coupled to the photoelectric conversion output cables 221', 251', and the photoelectric conversion output cables 221', 251' are extended until The light switch 211' is coupled. The first ends of the plurality of optical transceivers 23', 24' are exposed to the carrier 28', and can be respectively coupled to a group of optical network devices. The second ends of the plurality of optical transceivers 23', 24' are respectively coupled to the optical transceiver cables 231', 241', and the optical transceiver cables 231', 241' are respectively extended until the optical switch 211 is connected. 'Coupled.

The carrier 28' may further be provided with a management unit 214' for monitoring the operation status of the online device coupled to the telecommunication control port 212', and continuously monitoring the online device when the online device is operating normally. Monitoring, when it is detected that the online device is operating abnormally, the operating system of the online device can be restarted through the telecommunication control port 212'. In addition, the management unit 214' can monitor whether the online device plugged into the telecommunication control port 212' is abnormal for a period of time. If so, the management unit 214' can wake up the online device. If not, the management unit 214' continues to monitor the online device. device. The management unit 214' can be a watchdog wafer. Said at The abnormal operation of the line device refers to the phenomenon that the online device is interrupted or the power is interrupted. In addition, the management unit 214' can be omitted according to the requirements of the customer to save the overall manufacturing cost, and is not an essential component.

In another implementation, the management unit 214' can respectively connect the optical switch 211' and the online device. When it is detected that the operation of the online device is changed from abnormal to normal, the management unit 214' can send the switch to the optical switch 211'. a first control command to cause the optical switch 211' to perform a general mode. When it is detected that the operation of the online device is normally converted to an abnormality, the management unit 214' may send a second control command to the optical switch 211' to make the light The changeover switch 211' performs a bypass mode and restarts the operating system of the online device.

Correspondingly, referring to FIG. 12, the present invention further provides a device housing 9 for use with the optical transmission module having the bypass switch function. The device housing 9 includes a housing body 91 and a control socket 92. The control socket 92 is used for plugging the optical transmission module of the present invention and has a coupling relationship with the online device. The cover body 91 is recessed with a module storage space 911 having an open port, and the control socket 92 is disposed on the inner wall surface of the module storage space 911 of the case body 91. The optical transmission module of the present invention can enter the module storage space through the open port. 911, so that the telecommunication control port can be plugged into the control socket 92 to complete the coupling of the optical transmission module of the optical transmission module of the present invention with the online device. The device housing 9 can provide protection and position fixing to the optical transmission module in the module storage space 911, so as to prevent the optical transmission module from being damaged or displaced by the external force, thereby improving the coupling between the optical transmission module and the online device. Connection stability. In addition, the housing body 91 may also be recessed with at least one converter storage space 912 for housing the photoelectric converter used in conjunction with the optical transmission module of the present invention.

In summary, the present invention provides an optical transmission module having a bypass switch function and a device housing for use therewith, and the optical cable for transmitting the optical signal can be wound inside the module outer casing or through the module outer casing. Winding on the outside, so that the angle (or bending radius) of the cable can meet the standard specifications, so that the optical signal can continue to be transmitted in the cable without attenuation. Compared with the conventional optical transmission module, the optical transmission of the present invention The module is externally connected to the photoelectric converter, which can reduce the production cost and can be matched with All kinds of brand and hardware specifications conform to the industry standard photoelectric converter to enhance the wide range of products. When the cable is wound out of the module outer casing, the required volume of the module outer casing can be greatly reduced to meet the development trend of miniaturization of the optical transmission module body.

The above embodiments are merely illustrative of the principles and effects of the invention and are not intended to limit the invention. Modifications and variations of the above-described embodiments can be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be as defined in the scope of the invention.

2. . . Optical transmission module

twenty one. . . Module housing

211. . . Optical switch

212. . . Telecommunications control

twenty two. . . First photoelectric conversion output cable connector

221. . . First photoelectric conversion output cable

twenty three. . . First optical transceiver

231. . . First optical transceiver cable

twenty four. . . Second optical transceiver

241. . . Second optical transceiver cable

25. . . Second photoelectric conversion output cable connector

251. . . Second photoelectric conversion output cable

Claims (10)

An optical transmission module having a bypass switch function is coupled to a plurality of sets of corresponding photoelectric converters and optical network devices disposed outside, and includes: a module outer casing, and the device has an optical switch and The circuit board of the telecommunication control device, the telecommunication control system exposes the outer casing of the module, and is coupled to the online device; and the plurality of optical connectors for optical conversion are connected to the outer casing of the module. Each of the plurality of photoelectric converters is coupled to the photoelectric conversion output cable, and the photoelectric conversion output cable is at least in the module housing. The body extends internally until being coupled to the optical switch; and the plurality of optical Adapters are externally exposed to expose the module outer casing, and are respectively coupled to one of the plurality of sets of optical network devices; The other end is coupled to the optical transceiver cable, and the optical transceiver cable extends at least inside the module housing until being coupled to the optical switch; wherein the optical switch performs a general mode. Each of the fiber optic network devices is in communication with the corresponding photoelectric converter; or the optical switch is configured to perform a bypass mode to cut off communication between each of the fiber optic network devices and the corresponding photoelectric converter, and to make each of the optical fibers The road devices communicate with each other to transmit optical signals. The optical transmission module according to claim 1, further comprising a plurality of sets of converter outer casings (Cage), a fiber protective casing and a prompting lamp; the converter housing system has a storage space for accommodating the photoelectric converter The module housing system is disposed above or to the side of each of the converter housings; the fiber protection cover covers the photoelectric conversion output cable and the portion of the optical transceiver cable that passes through the module outer casing; The fiber optic protective cover and the covered optical cable constitute an Armored Cable, or at least made of Kevlar Fiber or Aramid Fiber; the cue light is exposed The module outer casing is configured to indicate a connection state between the optical fiber network device and the corresponding photoelectric converter; the outer wall surface of the module outer casing extends out of the locking piece, and the module outer casing is locked The fixed base; the optical switch has a switching signal trigger pin or a level detecting pin. An optical transmission module having a bypass switch function is coupled to a plurality of sets of corresponding photoelectric converters and optical network devices disposed outside, and includes: a module outer casing, and the device has an optical switch and The circuit board of the telecommunication control device, the telecommunication control system exposes the outer casing of the module, and is coupled with the online device; the plurality of photoelectric conversion outputs are connected to the outer casing, and the outer end of the module is exposed to the outer casing of the module. Connected to one of the plurality of photoelectric converters; the other end is coupled to the photoelectric conversion output optical cable, and the photoelectric conversion output optical cable extends at least inside the module outer casing until coupled to the optical switching switch And a plurality of optical transceivers, one end of which exposes the module outer casing, respectively coupled to one of the plurality of optical fiber network devices; the other end is coupled to the optical transceiver cable, the optical transceiver The optical cable extends at least inside the module outer casing until coupled to the optical switch; wherein the optical switch performs a general mode to connect each of the optical network devices to the corresponding photoelectric converter; or Performing optical switch have bypass mode, to cut off each of the optical communication network corresponding to the photoelectric conversion device, and makes each of the optical network device communicate with each other transmission optical signal. The optical transmission module of claim 1 or 3, wherein the photoelectric conversion output cable extends through the module outer casing, after bypassing the interference protrusion on the outside of the module. And extending into the module outer casing to be coupled to the optical switch; the optical transceiver cable also extends through the module outer casing, and then extends into the module outer casing after bypassing the interference protrusion Coupling with the optical switch. An optical transmission module with a bypass switch function is coupled to a plurality of sets of corresponding photoelectric converters and optical network devices, including: a carrier, an optical switch and a telecommunication control. The telecommunication control system exposes the carrier and is coupled to the online device; the plurality of photoelectric conversion output ports are connected, and the one end exposes the carrier, and respectively coupled to one of the plurality of photoelectric converters; The other end is coupled to the photoelectric conversion output cable, the photoelectric conversion output cable extends until being coupled to the optical switch; and the plurality of optical transceivers, the one end exposing the carrier, respectively coupled to the One of the plurality of sets of fiber optic network devices; the other end is coupled to the optical transceiver cable, the optical transceiver cable extends until coupled to the optical switch; wherein the optical switch performs a general mode, Each of the fiber optic network devices is in communication with the corresponding photoelectric converter; or the optical switch is configured to perform a bypass mode to cut off communication between each of the fiber optic network devices and the corresponding photoelectric converter, and to make each of the optical fibers Devices communicate with each other transmission optical signal. The optical transmission module of claim 3 or 5, wherein each of the photoelectric conversion output port and the optical transceiver has an MTP or MPO adapter at one end of the module outer casing; The photoelectric conversion output optical fiber cable and the optical transceiver optical fiber cable are coupled to one end of the optical switch to have an MTP or MPO connector. An optical transmission module with a bypass switch function is coupled to a plurality of sets of corresponding photoelectric converters and optical network devices, including: a carrier, an optical switch and a telecommunication control. The telecommunications control system exposes the carrier and is coupled to the online device; the plurality of photoelectric conversion output cable connectors extend out of the carrier and are respectively coupled to one of the plurality of photoelectric converters Each of the photoelectric conversion output cable connectors is coupled to the photoelectric conversion output cable, the photoelectric conversion output cable extends until being coupled to the optical switch; and the plurality of optical transceivers are exposed at one end. The carrier is coupled to one of the plurality of sets of fiber optic network devices; the other end is coupled to the optical transceiver cable, and the optical transceiver cable extends until coupled to the optical switch; wherein the light is coupled to the optical switch The switch is configured to perform a general mode, such that each of the fiber optic network devices is in communication with the corresponding photoelectric converter; or the optical switch is configured to perform a bypass mode to cut off each of the fiber optic network devices and the corresponding photoelectric conversion Communication, and such that each of the optical network device communicate with each other transmission optical signal. According to the optical transmission module of claim 1, the third item, the fifth item or the seventh item, the management unit is further configured to monitor the operation status of the online device, and monitor the operation of the online device. Normally, the online device is continuously monitored, or the optical switch is executed in a normal mode. When the online device is detected to be abnormal, the operating system of the online device is restarted, or the optical switch is configured to perform a bypass mode. . The device housing is characterized in that the device housing is used for inserting an optical transmission module according to the first, third, fifth or seventh aspect of the patent application, the device housing comprising: The shell body is recessed with a module storage space having an open port, and the light transmission module enters the module storage space through the open port; and the control socket is exposed on the inner wall surface of the housing body of the shell body module, and The electronic device has a coupling relationship with the online device, so that the telecommunication control module of the optical transmission module is plugged in to complete the coupling of the telecommunication control and the online device. The device housing according to claim 9, wherein the housing body is further recessed with a converter housing space for housing the photoelectric converter.