Communication device, communication system, and optical module

A communication system comprising:

• a communication device and a first device, wherein the first device exchanges an optical signal with the communication device;
• wherein the communication device comprises:
• a processing module, at least one optical module, and at least one connection apparatus, wherein each of the at least one optical module is connected to the processing module by using a corresponding one of at least one connection apparatus;
• the processing module is configured to:
• provide a first electrical signal for each of the at least one optical module, or receive a second electrical signal provided by the of the at least one optical module;
• each optical module is configured to:
• convert the first electrical signal provided by the processing module into a second optical signal and then send the second optical signal, or convert a received first optical signal into a second electrical signal and then provide the second electrical signal for the processing module;
• and
• the at least one connection apparatus corresponding to each of the at least one optical module is configured to:
• transmit the first electrical signal provided by the processing module to each of the at least one optical module, or transmit the second electrical signal provided by each of the at least one optical module to the processing module, wherein the at least one connection apparatus comprises a coaxial cable or a flexible printed circuit, and each of the at least one optical module has no optical digital signal processing (ODSP) sub-assembly or clock data recovery (CDR) sub-assembly, wherein
• each of the at least one optical module comprises a first interface apparatus, a second interface apparatus, an optical signal transceiver apparatus, a control apparatus, and a power supply apparatus,
• the first interface apparatus is connected to the at least one connection apparatus and is connected to the optical signal transceiver apparatus, and is configured to:
• transmit, to the optical signal transceiver apparatus, the first electrical signal provided by the at least one connection apparatus, or transmit, to the at least one connection apparatus, the second electrical signal provided by the optical signal transceiver apparatus
• the second interface apparatus is connected to the optical signal transceiver apparatus and is connected to an external transmission medium, and is configured to:
• transmit, to the optical signal transceiver apparatus, the first optical signal provided by the external transmission medium, or is configured to:
• transmit, to the external transmission medium, the second optical signal provided by the optical signal transceiver apparatus, wherein the external transmission medium is configured to transmit the second optical signal,
• the optical signal transceiver apparatus is configured to:
• convert the first optical signal into the second electrical signal under control of the control apparatus, and then output the second electrical signal to the first interface apparatus;
• or convert the first electrical signal into the second optical signal under control of the control apparatus, and send the second optical signal by using the second interface apparatus;
• the power supply apparatus is configured to supply power to the optical signal transceiver apparatus and the control apparatus;
• and
• the control apparatus is configured to control the optical signal transceiver apparatus.

An optical module used in a communication device, the optical module comprising:

• a first interface apparatus, a second interface apparatus, an optical signal transceiver apparatus, a control apparatus, and a power supply apparatus, wherein
• the first interface apparatus is connected to a connection apparatus and is connected to the optical signal transceiver apparatus, and is configured to:
• transmit, to the optical signal transceiver apparatus, a first electrical signal provided by the connection apparatus, or transmit, to the connection apparatus, a second electrical signal provided by the optical signal transceiver apparatus, wherein the connection apparatus comprises a coaxial cable or a flexible printed circuit;
• the second interface apparatus is connected to the optical signal transceiver apparatus and is connected to an external transmission medium, and is configured to:
• transmit, to the optical signal transceiver apparatus, a first optical signal provided by the external transmission medium, or is configured to:
• transmit, to the external transmission medium, a second optical signal provided by the optical signal transceiver apparatus, wherein the external transmission medium is configured to transmit the second optical signal;
• the optical signal transceiver apparatus is configured to:
• convert the first optical signal into the second electrical signal under control of the control apparatus, and then output the second electrical signal to the first interface apparatus;
• or convert the first electrical signal into the second optical signal under control of the control apparatus, and send the second optical signal by using the second interface apparatus;
• the power supply apparatus is configured to supply power to the optical signal transceiver apparatus and the control apparatus;
• and
• the control apparatus is configured to control the optical signal transceiver apparatus, wherein the optical module has no optical digital signal processing (ODSP) sub-assembly or clock data recovery (CDR) sub-assembly.

A communication device comprising:

• a optical module, wherein the optical module comprises a first interface apparatus, a second interface apparatus, an optical signal transceiver apparatus, a control apparatus, and a power supply apparatus, wherein the first interface apparatus is connected to a connection apparatus and is connected to the optical signal transceiver apparatus, and is configured to:
• transmit, to the optical signal transceiver apparatus, a first electrical signal provided by the connection apparatus, or transmit, to the connection apparatus, a second electrical signal provided by the optical signal transceiver apparatus, wherein the connection apparatus comprises a coaxial cable or a flexible printed circuit;
• the second interface apparatus is connected to the optical signal transceiver apparatus and is connected to an external transmission medium, and is configured to:
• transmit, to the optical signal transceiver apparatus, a first optical signal provided by the external transmission medium, or is configured to:
• transmit, to the external transmission medium, a second optical signal provided by the optical signal transceiver apparatus, wherein the external transmission medium is configured to transmit the second optical signal;
• the optical signal transceiver apparatus is configured to:
• convert the first optical signal into the second electrical signal under control of the control apparatus, and then output the second electrical signal to the first interface apparatus;
• or convert the first electrical signal into the second optical signal under control of the control apparatus, and send the second optical signal by using the second interface apparatus;
• the power supply apparatus is configured to supply power to the optical signal transceiver apparatus and the control apparatus;
• and
• the control apparatus is configured to control the optical signal transceiver apparatus, wherein
• the optical module has no optical digital signal processing (ODSP) sub-assembly or clock data recovery (CDR) sub-assembly.