KR100632350B1 - Optical module assembly for passive optical network optical fiber termination device and Optical module assembly for passive optical network optical fiber network device - Google Patents

Abstract

The present invention relates to an optical module assembly for a passive optical communication network termination device and an optical module assembly for a passive optical communication network optical communication network device, wherein the optical module assembly for a passive optical communication network optical fiber termination device is provided between an external network and a passive optical splitter. And part of a passive optical network optical fiber terminating device which is manufactured in a card form so as to have a network side signal processor interposed therebetween and a network side signal processor interposed between the network side signal processor and the passive optical splitter. An optical module assembly for a passive optical network optical fiber terminating device, comprising: a housing opening formed on a front surface thereof and coupled to a main PCB portion of the passive optical network optical fiber terminating device to access the housing opening from the outside; A chip type terminal having a main connection connector and a socket connection terminal electrically connected to the main connection connection terminal, wherein at least one of the network-side serial-to-parallel conversion unit and the clock data recovery unit is electrically connected to the main connection connection terminal; And a sub-PCB portion fixed to the inside of the housing such that the main PCB-connecting terminal is electrically connected to a main-PCB terminal formed in one region of the main-PCB portion; A socket opening is formed on the front surface, and has a socket terminal exposed through the bottom surface of the housing so that the socket terminal is electrically connected to the socket connection terminal and the socket opening can be accessed from the outside through the housing opening. A socket fixed therein; The connector insertion opening is formed in the front surface, and the contact opening is formed in the bottom socket terminal opposing area | region, The said contact opening part is opposed to the said socket terminal, and the said connector insertion opening part is accessible from the outside through the said socket opening part. A housing detachably coupled to the socket; A transceiver PC terminal is formed, and the network side optical receiver and the network side optical transmitter are implemented, and the transceiver PC terminal is electrically connected to the socket terminal through the contact opening, and the passive optical splitter is connected through the connector insertion opening. It characterized in that it comprises a transceiver to be fixed to the inside of the enclosure to fasten the optical connector connected to. Thereby, the serial-to-parallel converter, the clock data recovery unit, and the optical transmitter (optical receiver, optical transmitter, and wavelength division multiplexer) can be selectively replaced.

Optical communication network, passive type, optical fiber terminator, optical communication network device, optical splitter

Description

Optical Module Assembly for Passive Optical Network Termination Unit and Optical Module Assembly for Passive Optical Network Optical Network Device {Optical Module Assembly for PON OLT and PON ONU}

1 is a perspective view of an optical module assembly for a passive optical communication network optical fiber termination device according to an embodiment of the present invention;

2 is an exploded perspective view of an optical module assembly for a passive optical communication network optical fiber termination device according to an embodiment of the present invention;

3, 4 and 5 illustrate a method of coupling an optical module assembly for a passive optical network termination device according to an embodiment of the present invention of FIG. 1 to a main PCB;

6 is a schematic network diagram of a unit system of a general passive optical communication network;

FIG. 7 is a functional block diagram of the network-side optical transmitter of FIG. 6;

8 is a perspective view of a conventional optical fiber terminator card,

9 and 10 are a perspective view of a combination of a conventional optical module assembly,

11 is a perspective perspective view of a conventional optical module deformation assembly;

12 is an exploded perspective view of a socket of a conventional optical module modification assembly;

13 is a perspective view showing a combination of a housing and a transceiver of a conventional optical module modification assembly;

14 is a view showing a method for mounting a housing and a transceiver PCB in a socket of a conventional optical module modification assembly;

15 is a view showing a state in which a conventional optical module deformation assembly is coupled to the main fish portion.

Explanation of symbols on the main parts of the drawings

81: housing 82: sub fish portion

90, 191: socket 96, 196: enclosure

97, 197: transceiver transceiver 110: optical fiber termination device

112: network side parallel converter 120: network side optical transceiver

121: network side wavelength division multiplexer 122: network side optical receiver

123: network side optical transmitter 113: clock data recovery unit

130: optical communication network device 131: subscriber side signal processing unit

132; Subscriber side to side parallel conversion unit 140: Subscriber side optical transceiver

150: passive optical splitter 171a ~ 171h: subscriber unit

172, 173: optical fiber 180: optical module assembly

181: protective cap 183: optical transmission and reception circuit

The present invention relates to an Ethernet Based Passive Optical Network (EPON), and more particularly, to an Optical Line Terminal (OLT) and an Optical Network Unit (ONU).

The passive optical communication network is an optical communication network using a point-to-multipoint connection instead of a point-to-point optical connection for signal transmission, and generally has a configuration as shown in FIGS. 6 and 7.

FIG. 6 is a schematic network diagram of a unit system of a general passive optical communication network, and FIG. 7 is a functional block diagram of the network-side optical transceiver of FIG.

In the present specification, the unit system means that one of the optical fiber termination devices described below.

A typical passive optical communication network, as shown in these figures, the optical fiber terminal device 110 connected to the external network, a plurality of optical communication network devices 130 connected to the subscriber device (171a ~ 171h), the optical fiber terminal device 110 ) And a passive optical splitter 150 interposed between the optical communication network device 130 and the optical communication network device 130.

The optical fiber terminal 110 has a burst mode network side optical transmitter interposed between a network side signal processor 111 connected to an external network (not shown), and a network side signal processor 111 and a passive optical splitter 150. Has 120.

The network side signal processor 111 has a clock data recovery unit 113 (CDR) and a serial-to-parallel converter 112 (SERDES: Serialize and Deserializer) serially connected to the network side optical transceiver 120 in series. It handles the signal exchange between the network side optical transmitter 120 and an external network (not shown).

The clock data recovery unit 113 plays a role of reproducing the data and the clock from the uplink electric signal converted by the network-side optical receiver 122 described later.

The network-side serial-to-parallel conversion unit 112 converts the serial electrical signal from the clock data recovery unit 113 into a parallel electrical signal, and converts the parallel electrical signal from the other signal processing element of the network-side signal processing unit 111 into a serial electrical signal. It converts and serves to provide to the network-side optical transmitter 123.

The network side optical transmitter 120 has a network side wavelength division multiplexing unit 121 (WDM: WDM) connected to the passive optical splitter 150 via an optical fiber 172, and an input side of the network side wavelength division multiplexing unit 121. An optical receiver 122 and an input terminal are connected to the network-side parallel-parallel conversion unit 112 and the output terminal has a network-side optical transmitter 123 connected to the network-side wavelength division multiplexer 121.

The network-side wavelength division multiplexer 121 mutually intersects the downlink optical signal sent from the optical fiber termination device 110 to the optical communication network device 130 and the uplink optical signal transmitted from the optical communication network device 130 to the optical fiber termination device 110. It divides or multiplexes each wavelength so that interference does not occur.

The network-side optical receiver 122 has a photo detector (not shown) and an amplifier (preamplifier and main amplifier, not shown) and the like, and is upwardly sent from the optical network device 130 to the optical fiber terminator 110. It converts an optical signal into an uplink electric signal.

The network-side optical transmitter 123 has a laser diode driver (not shown), a laser current controller (Laser Diode Current Control), and the like, and is transmitted downward from the optical path terminator 110 to the optical network device 130. It converts an electric signal into a downlink light signal.

The optical fiber terminal 110 having such a configuration includes a main PCB 177 connected to an external network through an electrical signal connection connector 177a, and a network-side serial-to-parallel converter 112 coupled to the main PCB 177. And the chips 112 'and 113' implemented with the data clock recovery unit 113, the network-side wavelength division multiplexer 121, the network-side optical transmitter 123 and the network-side optical receiver 122 (180, hereinafter). And "optical module assembly".

8 is a perspective view of a conventional optical fiber terminator card, and FIGS. 9 and 10 are combined perspective views of a conventional optical module assembly.

The main PCB unit 177 has an electrical signal connection connector 177a coupled to the front, and a main fish terminal (not shown) is formed in the lower right region.

The optical module assembly 180 has a pair of fixing pins 181a formed on a bottom surface thereof, and a protective cap 181 having an entire area opened on one side thereof, and fixed to the inside of the protective cap 181 and arranged in two rows in opposite sides of the optical module assembly 180. The main PCB non-connecting terminal 182a is formed, and the optical connector 178 connected to the passive optical splitter 150 is connected through the optical fiber 172, and the main PCB non-connecting terminal 182a is fastened. The optical transmission / reception circuit unit 183 (including the network-side wavelength division multiplexing unit 121) formed in the sub-PC ratio unit 182 to be electrically connected thereto.

The optical module assembly 180 having such a configuration may include a main PCB part 182a through the fixing pin 181a so that the main PCB connection terminal 182a is electrically connected to a main PCB terminal (not shown) of the main PCB part 177. 177).

On the other hand, the optical module assembly is in the form of a card having a module assembly form (hereinafter referred to as "optical module deformation assembly") as disclosed in Utility Model Registration Application No.34712 (designated name: plug type optical transceiver module) in 2002. It is also produced.

FIG. 11 is a perspective view of a conventional optical module modification assembly, FIG. 12 is an exploded perspective view of a socket of a conventional optical module modification assembly, and FIG. 13 is a perspective view of a combination of a housing and a transceiver of a conventional optical module modification assembly. 14 is a view showing a method for mounting the housing and the transceiver PCB in the socket of the conventional optical module modified assembly, Figure 15 is a view showing a state in which the conventional optical module modified assembly is coupled to the main PCB.

The optical module modification assembly includes a socket 191 fixed to the main PCB unit 177, a housing 196 detachably coupled to the socket 191, and a transceiver PCB unit 197 fixed inside the housing 196. Has

The socket 191 has a bottom portion 193 having a side wall portion 193a partially formed therein, and a cap portion 192 having a substantially depression shape that is coupled to an upper portion of the bottom portion 193.

The bottom portion 193 is mounted to the terminal holder 194 in the rear region of the top surface such that the socket terminal 195 is exposed through the bottom surface of the bottom portion 193.

Cap portion 192 has a plurality of PCB fixing pins (192a) formed in two rows at the bottom.

The cap part 192 and the bottom part 193 cooperate with each other, and form the socket opening part 192b in the front surface.

The socket 191 having such a configuration is soldered to the main PCB 177 through the PCB fixing pin 192a so that the socket terminal 195 is electrically connected to the main PCB terminal (not shown) of the main PCB unit 177. It is fixed.

The housing 196 has a connector insertion opening 196a formed on the front surface thereof, and a contact opening 196b formed on the rear region of the bottom surface thereof. A stopper 196c for opening and closing the connector insertion opening 196a is coupled to the front of the housing 196.

The housing 196 having such a configuration is detachable from the socket 191 such that the contact opening 196b faces the socket terminal 195 and the connector insertion opening 196a can be accessed from the outside through the socket opening 192b. To be combined.

The transceiver PCB 197 has a transceiver PCB terminal 197a formed at a rear end thereof, and a network side wavelength division multiplexer 121, a network side optical receiver 122, and a network side optical transmitter 123 are implemented.

In the transceiver PCB 197 having such a configuration, the transceiver PCB 197a is electrically connected to the socket terminal 195 through the contact opening 196b, and the passive optical splitter 150 is connected through the connector insertion opening 196a. It is fixed to the inside of the housing 196 to fasten the optical connector (178, connected through the optical fiber 172) connected to. Here, the optical connector 178 is fastened to the housing 196 in a state where the plug 196c is separated.

Each optical communication network device 130 has a burst mode subscriber side optical transmitter and receiver interposed between the subscriber side signal processor 131 and the subscriber side signal processor 131 and the passive optical splitter 150 connected to the subscriber devices 171a to 171h. Has 140.

The optical communication network device 130 is not limited to eight, but may be configured differently, such as 16, 32, of course.

The subscriber side signal processing unit 131 has a subscriber side serial-to-parallel conversion unit 132 (SERDES) connected to the subscriber side optical transceiver 140, and exchanges signals between the subscriber side optical transmitter 140 and the subscriber apparatuses 171a to 171h. To deal with.

The subscriber-side serial-to-parallel converter 132 converts a serial electric signal from a subscriber-side optical receiver (not shown), which will be described later, into a parallel electric signal, and the parallel-electricity from another signal processing element of the subscriber-side signal processor 131. It converts the signal into a serial electric signal and provides it to the optical transmitter on the subscriber side.

Subscriber-side optical transceiver 140 is a subscriber-side wavelength division multiplexer (not shown) connected to the passive optical splitter 150 via an optical fiber 173, and the input terminal is connected to the subscriber-side wavelength division multiplexer (not shown) A subscriber-side optical receiver (not shown) and an subscriber-side optical transmitter (not shown) connected to the subscriber-side serial-to-parallel converter 132 and the output-side are connected to a subscriber-side wavelength division multiplexer (not shown). Have

The functions of the subscriber side wavelength division multiplexer, the subscriber side optical receiver, and the subscriber side optical transmitter are the same as those of the network side optical transmitter 120, respectively.

Optical communication network device 130 having such a configuration is manufactured in the form of a card, such as optical fiber terminal device (110).

The subscriber-side serial-to-parallel converter 132 is manufactured in the same chip form as the network-side serial-to-parallel converter 112, and the subscriber-side wavelength division multiplexer, the subscriber-side optical transmitter, and the subscriber-side optical receiver are network-side wavelength division multiplexers. (121), the network side optical transmitter 123, and the network side optical receiver 122 are manufactured in the form of two types of assemblies.

However, according to the conventional optical module assembly or optical module deformation assembly for a passive optical communication network optical fiber termination device, since only the network-side optical receiver 120 is implemented in the form of a module assembly, the network-side serial-parallel conversion unit 112 and the data clock recovery unit ( If any one of the 113) has a problem that the entire main fish portion 177 must be replaced.

This problem also occurs when the subscriber-side serial-to-parallel conversion unit 132 of the optical communication network card fails.

Accordingly, an object of the present invention is to provide an optical module assembly and a passive optical communication network for a passive optical communication network terminating device, in which a serial-to-parallel converter, a clock data recovery unit, and an optical transmitter (optical receiver, optical transmitter, and wavelength division multiplexing unit) are assembled. An optical module assembly for a communication network device is provided.

The object is, according to the present invention, to have a network side signal processor interposed between an external network and a passive optical splitter, and a network side optical transceiver interposed between the network side signal processor and the passive optical splitter for processing signals with respect to the external network. An optical module assembly for a passive optical communication network optical fiber termination device, in which a part of the passive optical communication network optical fiber termination device manufactured in the form of a card is provided, wherein a housing opening is formed on a front surface of the optical fiber optical fiber termination device and the housing opening can be accessed from the outside. A housing coupled to the main fish portion of the passive optical network optical fiber termination device; A chip type terminal having a main connection connector and a socket connection terminal electrically connected to the main connection connection terminal, wherein at least one of the network-side serial-to-parallel conversion unit and the clock data recovery unit is electrically connected to the main connection connection terminal; And a sub-PCB portion fixed to the inside of the housing such that the main PCB-connecting terminal is electrically connected to a main-PCB terminal formed in one region of the main-PCB portion; A socket opening is formed on the front surface, and has a socket terminal exposed through the bottom surface of the housing so that the socket terminal is electrically connected to the socket connection terminal and the socket opening can be accessed from the outside through the housing opening. A socket fixed therein; The connector insertion opening is formed in the front surface, and the contact opening is formed in the bottom socket terminal opposing area | region, The said contact opening part is opposed to the said socket terminal, and the said connector insertion opening part is accessible from the outside through the said socket opening part. A housing detachably coupled to the socket; A transceiver PC terminal is formed, and the network side optical receiver and the network side optical transmitter are implemented, and the transceiver PC terminal is electrically connected to the socket terminal through the contact opening, and the passive optical splitter is connected through the connector insertion opening. It is achieved by the optical module assembly for a passive optical communication network optical fiber termination device comprising a transceiver for fixing the inside of the enclosure to fasten the optical connector connected to the.

And the object is a card type having a subscriber side signal processor interposed between the subscriber unit and the passive optical splitter and processing a signal for the subscriber unit and a subscriber side optical transmitter and receiver interposed between the subscriber side signal processor and the passive optical splitter. An optical module assembly for a passive optical communication network optical communication network device in which a part of a passive optical communication network optical network device manufactured by using the optical fiber assembly includes: a housing opening formed on a front surface thereof, and the passive light accessing the housing opening from the outside; A housing coupled to the main fish portion of the communication network optical communication network device; The main PCB non-connecting terminal and the socket connection terminal electrically connected to the main PCB non-connecting terminal, the subscriber-side serial-to-parallel conversion unit is implemented in a chip form to be electrically connected to the main PCB non-connecting terminal, the main PCB non-connecting terminal A sub-PCB unit fixed to the inside of the housing such that is electrically connected to the main PCB terminal formed in one region of the main PCB unit; A socket opening is formed on the front surface, and has a socket terminal exposed through the bottom surface of the housing so that the socket terminal is electrically connected to the socket connection terminal and the socket opening can be accessed from the outside through the housing opening. A socket fixed therein; The connector insertion opening is formed in the front surface, and the contact opening is formed in the bottom socket terminal opposing area | region, The said contact opening part is opposed to the said socket terminal, and the said connector insertion opening part is accessible from the outside through the said socket opening part. A housing detachably coupled to the socket; A transceiver PC terminal is formed, the subscriber-side optical receiver and the subscriber-side optical transmitter are implemented, and the transceiver PC terminal is electrically connected to the socket terminal through the contact opening and the male through the connector insertion opening. It is achieved by an optical module assembly for a passive optical communication network optical communication network device, characterized in that it comprises a transceiver transceiver fixed to the inside of the housing to fasten the optical connector connected to the copper optical splitter.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of an optical module assembly for a passive optical network termination device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of an optical module assembly for a passive optical communication terminal termination device according to an embodiment of the present invention, 3, 4 and 5 are views illustrating a method of coupling an optical module assembly for a passive optical network termination device according to an embodiment of the present invention of FIG. 1 to a main PCB.

Since the passive optical communication network according to an embodiment of the present invention is the same as the conventional case, a detailed description thereof will be omitted, and the same numbers and names will be used for the convenience of description.

The optical module assembly for a passive optical network optical fiber termination device according to an embodiment of the present invention according to an embodiment of the present invention, as shown in these figures, the housing 81 is coupled to the main fish portion 177, and the housing A sub-PCB portion 82 fixed to the inside of the 81, a socket 90 fixed to the sub-PC portion 82 inside the housing 81, and a housing detachably coupled to the socket 90 ( 96 and a transceiver receiver 97 fixed inside the enclosure 96.

The main fish portion 177 has a main fish terminal (177a) formed in the lower right region.

The housing 81 has a housing opening 81a formed on its front surface, and four fixing pins 81b formed on its bottom surface.

The housing 81 having such a configuration is soldered to the main fish portion 177 through the fixing pin 81b to access the housing opening 81a from the outside.

The sub PCB unit 82 has a main PCB non-connection terminal 82a and a socket connection terminal 82b formed to be electrically connected to the main PCB non-connection terminal 82a.

The main PCB non-connection terminal 82a is formed to be exposed to the outside through the bottom of the housing 81.

In addition, the sub-PCB 82 is implemented in the form of chips 112 'and 113' such that the network-side serial-to-parallel converter 112 and the clock data recovery unit 113 are electrically connected to the main PCB connection terminal 82a. . Here, the main PCB non-connection terminal 82a is formed by dividing each of the network-side serial-to-parallel conversion unit 112, the clock data recovery unit 113, the network-side optical transmitter 123, and the network-side optical receiver 122.

The sub-PCB unit 82 having such a configuration has the housing 81 of the housing 81 so that the main PCB connecting terminal 82a is electrically connected to the main PCB terminal 177a while the housing 81 is mounted on the main PCB 177. It is fixed inside.

The socket 90 has a socket opening 90a formed on the front surface thereof, and the socket terminal 90b is formed to be exposed through the bottom surface. The socket 90 has the same structure as that of the conventional optical module modification assembly.

In the socket 90 having such a configuration, the socket terminal 90b is electrically connected to the socket connection terminal 82b of the sub PC portion 82, and accesses the socket opening 90a through the housing opening 81a from the outside. It is fixed to the sub-PC ratio 82 in the housing 81 so as to be able to do so.

The housing 96 has a connector insertion opening 96a formed on the front surface thereof, and a contact opening 96b formed on the rear region of the bottom surface thereof. A stopper 96c for opening and closing the connector insertion opening 96a is coupled to the front of the enclosure 96. Enclosure 96 has the same structure as that of the conventional optical module deformation assembly.

The enclosure 96 having such a configuration is attached to or detached from the socket 90 so that the contact opening 96b can face the socket terminal 90b and access the connector insertion opening 96a through the socket opening 90a from the outside. Possibly combined.

The transceiver PCB 97 is formed at the rear end of the transceiver PCB 97a, and the network-side wavelength division multiplexer 121, the network-side optical receiver 122, and the network-side optical transmitter 123 are implemented. The transceiver PCB 97 has the same structure as that of the conventional optical module modification assembly.

Transceiver PCB 97 having such a configuration, the transceiver PCB 97a is electrically connected to the socket terminal 90b through the contact opening 96b, the passive optical splitter 150 through the connector insertion opening 96a. It is fixed to the inside of the housing 96 to fasten the optical connector 178, connected through the optical fiber 172 connected to. Here, the optical connector 178 is fastened to the enclosure 96 in a state where the plug 96c is removed.

According to the optical fiber termination device card for a passive optical communication network according to the embodiment of the present invention as described above, when the network side wavelength division multiplexer 121, the network side optical transmitter 123 and the network side optical receiver 122 have failed, 97, only the housing 96 can be separated and exchanged (the housing 81, the sub-PC ratio 82 and the socket 90 can be reused as they are), and the network-side serial-to-parallel conversion unit 112 and the clock data can be replaced. When any one of the recovery units 113 fails, only the housing 81, the sub-PC unit 82, and the socket 90 can be exchanged (the enclosure 96 having the transmitter / receiver receiver unit 97 embedded therein) Separate and reusable).

Meanwhile, in the above-described embodiment, the optical module assembly for the passive optical network optical fiber termination device is described, but the optical module assembly for the passive optical network optical communication network device can be implemented in the same manner.

In the above-described embodiment, the network-side optical transmitter 120 and the subscriber-side optical receiver 140 are configured to include a split-multiplexer, but the split-multiplexer is omitted and the two optical splitters correspond to one optical splitter. Of course, the present invention can be applied.

Therefore, according to the present invention, if any one of the network-side wavelength division multiplexer, the optical transmitter and the optical receiver fails, the enclosure can be separated and exchanged together with the transceiver transceiver and any one of the serial-to-parallel converter and the clock data recovery unit. In the event of a failure, the enclosure containing the transceiver transceiver can be removed and reused, and only the housing, the sub-PC receiver and the socket can be exchanged, so that the serial / parallel converter, the clock data recovery unit, and the optical transceiver (optical receiver, optical transmitter and wavelength) The split multiplexer can be replaced selectively.

In addition, depending on the performance of the serial-to-parallel converter and the clock data recovery unit, it is possible to select and use the serial-to-parallel converter and the clock data recovery unit according to the use conditions by exchanging and applying the optical module assembly without replacing the entire card.

Claims (2)

Interposed between an external network and a passive optical splitter and having a serially connected clock data recovery unit and a network-side serial-to-parallel conversion unit to process signals for the external network, and interposed between the network-side signal processing unit and the passive optical splitter. In the optical module assembly for a passive optical network optical fiber terminator, a part of the passive optical network optical fiber terminator, which is manufactured in a card form to have a network-side optical transmitter, A housing opening formed at a front surface thereof, the housing being coupled to a main fish portion of the passive optical communication network optical fiber terminal terminator so as to be accessible from the outside; A chip type terminal having a main connection connector and a socket connection terminal electrically connected to the main connection connection terminal, wherein at least one of the network-side serial-to-parallel conversion unit and the clock data recovery unit is electrically connected to the main connection connection terminal; And a sub-PCB portion fixed to the inside of the housing such that the main PCB-connecting terminal is electrically connected to a main-PCB terminal formed in one region of the main-PCB portion; A socket opening is formed on the front surface, and has a socket terminal exposed through the bottom surface of the housing so that the socket terminal is electrically connected to the socket connection terminal and the socket opening can be accessed from the outside through the housing opening. A socket fixed therein; The connector insertion opening is formed in the front surface, and the contact opening is formed in the bottom socket terminal opposing area | region, The said contact opening part is opposed to the said socket terminal, and the said connector insertion opening part is accessible from the outside through the said socket opening part. A housing detachably coupled to the socket; A transceiver PC terminal is formed, and the network side optical receiver and the network side optical transmitter are implemented, and the transceiver PC terminal is electrically connected to the socket terminal through the contact opening, and the passive optical splitter is connected through the connector insertion opening. And an optical transceiver assembly fixed to the inside of the housing to fasten the optical connector connected thereto. A subscriber side signal processing unit interposed between the subscriber unit and the passive optical splitter and having a subscriber side serial-to-parallel conversion unit to process signals for the subscriber unit, and the subscriber side optical transmitter and receiver interposed between the subscriber side signal processing unit and the passive optical splitter. In the optical module assembly for a passive optical network optical communication network device in which a part of the passive optical network optical communication network device manufactured in the form of a card to be partially implemented, A housing opening formed at a front surface thereof, the housing being coupled to a main fish portion of the passive optical communication network optical communication network device to access the housing opening from the outside; The main PCB non-connecting terminal and the socket connection terminal electrically connected to the main PCB non-connecting terminal, the subscriber-side serial-to-parallel conversion unit is implemented in a chip form to be electrically connected to the main PCB non-connecting terminal, the main PCB non-connecting terminal A sub-PCB unit fixed to the inside of the housing such that is electrically connected to the main PCB terminal formed in one region of the main PCB unit; A socket opening is formed on the front surface, and has a socket terminal exposed through the bottom surface of the housing so that the socket terminal is electrically connected to the socket connection terminal and the socket opening can be accessed from the outside through the housing opening. A socket fixed therein; The connector insertion opening is formed in the front surface, and the contact opening is formed in the bottom socket terminal opposing area | region, The said contact opening part is opposed to the said socket terminal, and the said connector insertion opening part is accessible from the outside through the said socket opening part. A housing detachably coupled to the socket; A transceiver PC terminal is formed, the subscriber-side optical receiver and the subscriber-side optical transmitter are implemented, and the transceiver PC terminal is electrically connected to the socket terminal through the contact opening and the male through the connector insertion opening. An optical module assembly for a passive optical communication network optical communication network device comprising a transceiver transceiver fixed to the inside of the housing to fasten the optical connector connected to the copper optical splitter.

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