TWI539774B - Server for switching signal transmission path according to different transmission bands - Google Patents

Description

A server that switches transmission paths according to multiple frequency bands

The present invention relates to a server for switching a transmission path according to a plurality of frequency bands, and more particularly to a server that can identify a transmission frequency band and select a transmission path to switch a transmission path according to a plurality of frequency bands.

With the advancement of technology, the development of the Internet makes people's lives more convenient, and the most important device to support network services is the server. However, with the further development of the network, the existing network transmission is divided into A variety of different transmission bands, but limited by the chip circuit design of the existing server, and thus can not support multiple transmission bands at the same time, for example, for the transmission band of 1 GHz, 2.5 GHz, 4 GHz, 10 GHz, 40 GHz, the existing server It is impossible to support the above transmission band at the same time and only support a single frequency band, and it is necessary to separately purchase other servers that can support other frequency bands, thereby increasing the construction cost of the network service device. Therefore, there is still room for improvement in the existing technology.

In view of the fact that existing servers are limited by the design of existing wafer circuits, There are problems in the network device construction that cannot support multiple frequency bands. Accordingly, the present invention mainly provides a server that switches a transmission path according to a plurality of frequency bands, and mainly supports a plurality of frequency bands, and switches an appropriate transmission path by recognizing a transmission frequency band, thereby solving the problems of the prior art.

Based on the above object, the main technical means adopted by the present invention is to provide a server for switching a transmission path according to multiple frequency bands, which is used for identifying at least one transmission frequency band of at least one network signal transmitted by at least one functional circuit board. Switching automatically between the plurality of transmission paths, and including at least one circuit board slot, at least one path selection module, at least one first frequency band transmission circuit, and at least one second frequency band transmission circuit. The circuit board slot is used to connect the function circuit board to transmit the network signal transmitted by the function circuit board, and the path selection module is coupled to the circuit board slot by at least one transmission line group for identifying the transmission frequency band. According to the switch between a plurality of transmission paths. The first frequency band transmission circuit is electrically connected to the path selection module, and includes a first frequency band transmission port, the second frequency band transmission circuit is electrically connected to the path selection module, and includes a second frequency band transmission. (port). Wherein, when the transmission frequency band recognized by the path selection module is a first frequency band, switching to a first one of the plurality of transmission paths, so that the network signal passes through the first frequency band of the first frequency band transmission circuit Transmitting and transmitting, when the transmission frequency band recognized by the path selection module is a second frequency band larger than the first frequency band, switching to a second one of the plurality of transmission paths, so that the network signal passes through the The second frequency band transmission of the two-band transmission circuit is transmitted.

In a preferred embodiment of the foregoing technical means for switching a transmission path according to a plurality of frequency bands, the circuit board slot, the path selection module, the first frequency band transmission circuit, and the second frequency band transmission circuit are disposed on a substrate. The base board, the function board is a computing board, and the server that switches the transmission path according to multiple frequency bands can support different kinds of computing boards. In addition, the path selection module includes a band identification unit, a path selection unit, and a path switching unit. The band identification unit identifies the transmission band, and the path selection unit sends a path switching signal according to the identified transmission band, and the path is switched. The unit automatically switches between the plurality of transmission paths according to the path switching signal. In addition, the function circuit board is provided with at least one of a system on chip (SoC) and a network interface controller (NIC) to transmit network signals.

In a preferred embodiment of the foregoing technical means for switching the transmission path according to the plurality of frequency bands, the first frequency band transmission circuit further includes a first coupling between the path selection module and the first frequency band transmission port. a frequency band codec module, wherein the network signal is encoded into at least one first frequency band transmission packet according to a first frequency band communication protocol conforming to the first frequency band, and the second frequency band transmission circuit further comprises a path selection module coupled to the second And a second frequency band codec module between the frequency band transmissions, wherein the network signal is encoded into at least one second frequency band transmission packet according to a second frequency band communication protocol conforming to the second frequency band. In addition, the first frequency band transmission port is an RJ45 transmission port, the second band transmission port is a fiber transmission port, and the first band is 1 GHz, and the second band is at least one of 10 GHz and 40 GHz. In addition, the function circuit board includes a plurality of signal transmission pins, the transmission line group includes a plurality of transmission lines respectively connected to the plurality of signal transmission pins, and the network signal is valid through one of the plurality of transmission lines. Transfer to the path selection module.

According to the main technical means of the server for switching the transmission path according to the plurality of frequency bands used in the present invention, since a plurality of frequency bands and a plurality of functional circuit boards can be supported, and an appropriate transmission path can be switched by recognizing the transmission band, The server has a better transmission function, which can effectively solve the problem that the prior art needs to be constructed.

The specific embodiments of the present invention will be further described by the following examples and drawings.

1, 1a‧‧‧Servers that switch transmission paths according to multiple frequency bands

11, 11a‧‧‧ board slot

12, 12a, 12b‧‧‧ Path Selection Module

121‧‧‧Band identification unit

122‧‧‧Path selection unit

123‧‧‧Path Switching Unit

13, 13a‧‧‧First band transmission circuit

131‧‧‧First Band Codec Module

132‧‧‧First Band Transmission埠

14, 14a‧‧‧Second band transmission circuit

141, 141a‧‧‧second frequency band codec module

142, 142a‧‧‧Second band transmission埠

2, 2a, 2b‧‧‧ function circuit board

21, 21a, 21b‧‧‧ system single chip

P ₁₀ , P ₁₁ , P ₂₀ , P ₂₁ , P ₃₀ , P ₃₁ , P ₄₀ , P ₄₁ ‧‧‧Signal transmission pins

S1, S1a‧‧‧ network signal

S2‧‧‧First Band Transmission Packet

S3‧‧‧Second band transmission packet

The first figure shows a block diagram of a server for switching a transmission path according to a plurality of frequency bands according to a first preferred embodiment of the present invention; and the second figure shows a second preferred embodiment of the present invention for switching a transmission path according to a plurality of frequency bands. FIG. 3 is a block diagram showing a signal transmission pin of a system single chip according to a preferred embodiment of the present invention; and a fourth diagram showing signal transmission of a system single chip according to a preferred embodiment of the present invention. The second schematic of the pin.

Since the server for switching the transmission path according to the plurality of frequency bands provided by the present invention has a combination of implementations, it is not repeated here. The description will be specifically described by exemplifying a preferred embodiment.

Referring to the first figure, the first figure shows a block diagram of a server for switching a transmission path according to a plurality of frequency bands according to a first preferred embodiment of the present invention. As shown in the figure, the first preferred embodiment of the present invention is based on various The server 1 for switching the transmission path is used to identify at least one transmission band of at least one network signal S1 transmitted by at least one functional circuit board 2, wherein the functional circuit board 2 in the preferred embodiment of the present invention is Computing board (Computing Board), and can be a motherboard such as a motherboard or a catridge or other different types of computing boards, that is, a server 1 that switches transmission paths according to multiple frequency bands. Can support different kinds of computing boards. In addition, the functional circuit board is provided with at least one of a system on chip (SoC) and a network interface controller (NIC), but in the first preferred embodiment of the present invention Only one system single chip 21 is provided.

The server 1 for switching the transmission path according to the plurality of frequency bands includes at least one circuit board slot 11 (only one in the first preferred embodiment), at least one path selection module 12 (only one in the first preferred embodiment), At least one first band transmission circuit 13 (only one of the first preferred embodiment) and at least one second band transmission circuit 14 (only one of the first preferred embodiment). The circuit board slot 11 is configured to be connected to the function circuit board 2, and the path selection module 12 is coupled to the circuit board slot 11 by at least one transmission line group (not shown). The serial communication interface of SPI, UART or I ² C is a prior art and will not be described again.

In addition, the path selection module 12 includes a band identification unit 121, a path selection unit 122, and a path switching unit 123. The path selection unit 122 is electrically connected to the band identification unit 121, and the path switching unit 123 is electrically connected to The path selecting unit 122, in addition, the band identifying unit 121, the path selecting unit 122, and the path switching unit 123 can be implemented by a processor or other chip circuit generally having a processing function.

The first frequency band transmission circuit 13 is electrically connected to the path selection module 12, and includes a first frequency band codec module 131 and a first frequency band transmission port 132. The first frequency band codec module 131 is coupled. Connected between the path selection module 12 and the first frequency band transmission 132, and can be implemented by a translator having a translation function, and the first frequency band port 132 is an RJ45 transmission port, but in other embodiments This is not limited to this.

The second band transmission circuit 14 is electrically connected to the path selection module 12, and includes a second band codec module 141 and a second band transmission port 142. The second band codec module 141 is coupled. The path selection module 12 and the second band transmission port 142 are implemented by a translator having a translation function, and the second band transmission port 142 is a fiber transmission port, but is not limited thereto.

In addition, the board slot 11, the path selection module 12, the first band transmission circuit 13 and the second band transmission circuit 14 are disposed on a substrate board, but are not limited thereto in other embodiments.

After the circuit board slot 11 is plugged into the function circuit board 2, the function circuit board 2 transmits the network signal S1 through the system single chip 21, and the circuit board slot The system further transmits the network signal S1 to the path selection module 12, and the path selection module 12 recognizes the transmission frequency band of the network signal S1, thereby switching between the plurality of transmission paths, specifically, the foregoing transmission. The path refers to the path transmitted to the first band transmission circuit 13 and the path transmitted to the second band transmission circuit 14.

The path identification unit 121 identifies the transmission frequency band, and the path selection unit 122 sends a path switching signal (not shown) according to the identified transmission frequency band, and the path switching unit 123 switches according to the path. The signal is automatically switched between the plurality of transmission paths. For example, when the transmission band identified by the band identification unit 121 of the path selection module 12 is the first frequency band of 1 GHz, the path selection module 12 sends the path switching signal trigger path switching unit 123 to switch to the above complex number. a first transmission path of the transmission path, the network signal S1 is transmitted to the first frequency band transmission circuit 13, and the network signal S1 is based on a first frequency band conforming to the first frequency band via the first frequency band codec module 131. The communication protocol is encoded into at least one first band transmission packet S2 and transmitted via the first band transmission port 132.

The transmission band identified by the band identification unit 121 of the path selection module 12 is a second frequency band of the first frequency band greater than 1 GHz (in the preferred embodiment of the present invention, at least one of 10 GHz and 40 GHz may be used, and the other In the embodiment, the path selection module 12 sends the path switching signal to trigger the path switching unit 123 to switch to a second one of the plurality of transmission paths, so that the network signal S1 is transmitted to the second. Band transmission circuit 14, and via the second band codec mode The group 141 encodes the network signal S1 into at least one second band transmission packet S3 according to a second band communication protocol conforming to the second frequency band, and transmits it via the second band transmission port 142.

In addition, in the preferred embodiment of the present invention, the second frequency band is greater than the first frequency band, and the frequency band corresponding to the transmission frequency band is compared, that is, the frequency values such as 1 GHz, 2.5 GHz, 4 GHz, 10 GHz, and 40 GHz are compared. Bright.

Please refer to FIG. 2 and FIG. 3 together. FIG. 2 is a block diagram showing a server for switching a transmission path according to multiple frequency bands according to a second preferred embodiment of the present invention, and FIG. 3 is a view showing a preferred embodiment of the present invention. A first schematic diagram of a signal transmission pin of a system single chip. As shown, the server 1a that switches the transmission path according to a plurality of frequency bands includes two circuit board slots 11a (only one is shown), two path selection modules 12a, 12b, and two first frequency band transmission circuits 13a ( Only one) is included, but only a second band transmission circuit 14a is included, and the second band transmission circuit 14a includes only a second band codec module 141a and two second band transmission ports 142a (only one is indicated). The rest of the content is the same as the first preferred embodiment, and will not be further described herein.

Further, each circuit board slot 11a function for a circuit board is inserted 2a, the function of the circuit board 2a includes a plurality of signal transmission pins _{(pin) P 10, P 11} , P 20, P 21, P 30, P 31 , P ₄₀ , P ₄₁ , and the transmission line group (not shown) includes a plurality of signal transmission pins P ₁₀ , P ₁₁ , P ₂₀ , P ₂₁ , P ₃₀ , P ₃₁ , P ₄₀ , P respectively. The transmission line of ₄₁ , and the network signal S1a is effectively transmitted to the path selection modules 12a, 12b via one of the plurality of transmission lines.

Specifically, the circuit layout of the functional circuit board 2a is as shown in the third figure, and four system single chips 21a are provided, and the four system single chips 21a respectively include two signal transmission pins, that is, the above signals. The transmission pins P ₁₀ , P ₁₁ , P ₂₀ , P ₂₁ , P ₃₀ , P ₃₁ , P ₄₀ , and P ₄₁ are respectively two pins of a system single chip 21a, and in the second preferred embodiment, The signal transmission pins P ₁₀ , P ₂₀ , P ₃₀ , and P ₄₀ are connected to the path selection module 12a via the circuit board slot 11a and the four transmission lines, and the signal transmission pins P ₁₁ , P ₂₁ , P ₃₁ , and P ₄₁ are via the signal transmission pins P ₁₁ , P ₂₁ , P ₃₁ , and P ₄₁ . The circuit board slot 11a and the four transmission lines (only one of which is shown in the second figure) are connected to the path selection module 12b.

It should be noted that, among the above four transmission lines, the system single chip 21a transmits the network signal S1a using the transmission line with the return reset signal only after confirming that a reset signal is received, that is, The system single chip 21a transmits the network using only one of the signal transmission pins P ₁₀ , P ₂₀ , P ₃₀ , P ₄₀ and one of the signal transmission pins P ₁₁ , P ₂₁ , P ₃₁ , P ₄₁ . Road signal S1.

Please refer to the fourth figure. The fourth figure shows a second schematic diagram of the signal transmission pin of the system single chip of the preferred embodiment of the present invention. As shown in the figure, the difference from the third figure is only the function circuit board 2b. There is only one system single chip 21b, and the system single chip 21b is provided with eight signal transmission pins P ₁₀ , P ₁₁ , P ₂₀ , P ₂₁ , P ₃₀ , P ₃₁ , P ₄₀ , P ₄₁ , and the rest are The same as the second preferred embodiment, and details are not described again.

In view of the above, the spirit of the present invention lies in that a plurality of frequency bands and a plurality of functional circuit boards can be supported, and an appropriate transmission path can be switched by recognizing a transmission frequency band, so that a plurality of frequency bands can be simultaneously supported by only one server. Therefore, it can effectively solve the prior art needs to spend network equipment construction The problem that constitutes this.

The features and spirit of the present invention will be more apparent from the detailed description of the preferred embodiments. On the contrary, the intention is to cover various modifications and equivalents within the scope of the invention as claimed.

1‧‧‧Switching the transmission path according to multiple frequency bands server

11‧‧‧Circuit slot

12‧‧‧Path Selection Module

121‧‧‧Band identification unit

122‧‧‧Path selection unit

123‧‧‧Path Switching Unit

13‧‧‧First band transmission circuit

131‧‧‧First Band Codec Module

132‧‧‧First Band Transmission埠

14‧‧‧Second band transmission circuit

141‧‧‧Second band codec module

142‧‧‧Second band transmission埠

2‧‧‧Functional circuit board

21‧‧‧ system single chip

S1‧‧‧ network signal

S2‧‧‧First Band Transmission Packet

S3‧‧‧Second band transmission packet

Claims (11)

A server for switching a transmission path according to a plurality of frequency bands, configured to identify at least one transmission frequency band of at least one network signal transmitted by at least one functional circuit board, thereby automatically switching between the plurality of transmission paths, and including At least one circuit board slot for interfacing the functional circuit board to transmit the network signal transmitted by the functional circuit board; at least one path selection module coupled to the at least one transmission line group The circuit board slot is configured to identify the transmission frequency band to switch between the plurality of transmission paths; the at least one first frequency band transmission circuit is electrically connected to the path selection module, and includes a first frequency band a transmission port; and at least one second frequency band transmission circuit electrically connected to the path selection module, and including a second frequency band transmission port; wherein, when the path selection module recognizes When the transmission frequency band is a first frequency band, switching to a first one of the plurality of transmission paths, and causing the network signal to pass the first of the first frequency band transmission circuit Transmitting and transmitting, when the transmission frequency band recognized by the path selection module is greater than a second frequency band of the first frequency band, switching to a second one of the plurality of transmission paths, so that the The network signal is transmitted via the second frequency band transmission of the second frequency band transmission circuit. a server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the circuit board slot, the path selection module, and the The first frequency band transmission circuit and the second frequency band transmission circuit are disposed on a substrate board. A server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the function circuit board is a computing board. The server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the path selection module includes: a band identification unit that identifies the transmission band; and a path selection unit that is identified according to the identification The outgoing transmission band transmits a path switching signal; and a path switching unit automatically switches between the plurality of transmission paths according to the path switching signal. The server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the function circuit board is provided with at least one system on chip (SoC) and a network interface controller ( At least one of a Network Interface Controller (NIC) to transmit the network signal. The server for switching a transmission path according to the plurality of frequency bands, as described in claim 1, wherein the first frequency band transmission circuit further includes a coupling between the path selection module and the first frequency band transmission port. a first frequency band codec module, whereby the network signal is based on a first one that conforms to the first frequency band The band communication protocol is programmed into at least one first band transmission packet. The server for switching a transmission path according to the plurality of frequency bands according to the first aspect of the invention, wherein the second frequency band transmission circuit further comprises a coupling between the path selection module and the second frequency band transmission port. The second frequency band codec module is configured to encode the network signal into at least one second frequency band transmission packet according to a second frequency band communication protocol conforming to the second frequency band. A server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the first frequency band transmission port is an RJ45 transmission port. The server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the second frequency band transmission port is a fiber transmission port. A server for switching a transmission path according to a plurality of frequency bands, as described in claim 1, wherein the function circuit board includes a plurality of signal transmission pins, and the transmission line group includes a plurality of signals respectively connected to the plurality of A transmission line of the signal transmission pin, and the network signal is effectively transmitted to the path selection module via one of the plurality of transmission lines. A server for switching a transmission path according to a plurality of frequency bands as described in claim 1, wherein the first frequency band is 1 GHz, and the second frequency band is at least one of 10 GHz and 40 GHz.