CN207939517U - A kind of SFP+ optical modules of binary channels transmitting - Google Patents

Abstract

The utility model discloses a kind of SFP+ optical modules of binary channels transmitting, wherein, the SFP+ optical modules of binary channels transmitting use two unidirectional light emission component TOSA, electrical interface to realize SFP+ encapsulation binary channels transmittings using the CSFP optical module electrical interfaces for cropping data output unit.The utility model is compatible with traditional standard SFP+ modules, the electrical interface holding of CSFP+ optical modules, can be docked with the 10G optical interfaces of traditional standard SFP+ modules, the different 10G circuit optical signals of transmitting two-way, and cost is relatively low.

Description

A kind of SFP+ optical modules of binary channels transmitting

Technical field

The utility model is related to the SFP+ optical modules that field of communication technology more particularly to a kind of binary channels emit.

Background technology

In recent years, communication industry was faced with the double challenge of bandwidth and speed, and the fiber optic communication of large capacity, high-speed has become For the inexorable trend of the information industry development.Optical transceiver module is the important component of optical-fiber network construction, and Core Feature is exactly Optic electric interface is provided between various transmission networks, completes photoelectricity or electro-optic conversion, it is ensured that the connection of communication network.10G lines at present Road is hot-swappable (SFP+) the series of modules product of miniaturization using wider optical mode block type.In current mainstream message capacity Under rate, it can meet the requirement of communication substantially.

System equipment uses the SFP+ interfaces of conventional criteria in the design, but in the fields such as network acquisition and security monitoring In actual use, the single-shot using SFP+ optical modules and single receipts function, therefore, conventional transceiver are often only needed SFP+ optical modules receiving terminal when using sending out is just vacant using transmitting terminal when receipts with regard to vacant, causes board resource unrestrained Take.Such as need only send two-way difference 10G link optical signals a scene, with standard SFP+ modules come complete achievement need with two SFP+ optical modules.

Disclose that a kind of SFP low-power consumption is double to shine application No. is the double light emitting modules of the SFP low-power consumption of 201620958460.X Module includes the golden finger of SFP encapsulation, the input terminal of golden finger connection signal splitter, two output ends of signal shunt It is separately connected the input terminal of first laser driver, second laser driver, first laser driver, second laser driver Output end is separately connected the input terminal of the first light emitting devices, the second light emitting devices；Further include microcontroller and reducing power consumption unit, Microcontroller is all connected with first laser driver, second laser driver, and reducing power consumption unit swashs with first laser driver, second CD-ROM driver is all connected with.The utility model can realize the function of the double hairs of an optical module, in addition reduce optical module overall power, Reach higher board utilization rate, energy saving effect.But the utility model is to realize two by a built-in splitter The transmitting in a channel, two channel emission signal contents are identical, cannot be satisfied and send two-way difference 10G link optical signals Scene.

Optical module manufacturer in part develops 10G rate binary channels CSFP+ optical modules on the basis of CSFP is encapsulated at present.CSFP + optical module does not change existing SFP+ optical modules interface form and package size, by transmitting-receiving using the single fiber bi-directional of different wave length (BIDI) technology is encapsulated by using high integration optical circuit, is realized two 10G speed channels transmitting-receivings, is promoted port at double Density reduces optical fiber laying and maintenance cost.But due to inside CSFP+ optical modules using light transmit-receive integrated component BOSA (Bi-Directional Optical Sub-Assembly) integrates reception, transmitting and multiplex demultiplex (MUX/DEMUX) function, The light emission component TOSA (Transmitting Optical Sub-Assembly) used inside comparison SFP+ standard optical module applicables With light-receiving component ROSA (Receiving Optical Sub-Assembly), cost is higher by more times.Simultaneously in current 10G light In link network, the overwhelming majority is that single fiber unidirectionally uses, and CSFP+ optical modules are difficult to be docked with existing 10G optical links network, Single CSFP+ optical modules cannot be satisfied the requirement for only sending two-way 10G circuit optical signals.

Utility model content

Purpose of utility model：The utility model aims at the problems existing in the prior art, and provides a kind of SFP of binary channels transmitting + optical module.

Technical solution：The SFP+ optical modules of binary channels transmitting described in the utility model, including the first TOSA light emitting groups Part, the 2nd TOSA light emission components, first laser device driving circuit, second laser driving circuit, MCU+EEPROM management groups Part and the CSFP optical modules electrical interface (2CH COMPACT SFP Option 2, similarly hereinafter) for cropping data output unit, institute It states the first TOSA light emission components, first laser device driving circuit, CSFP optical module electrical interfaces to be sequentially connected, the 2nd TOSA Light emission component, second laser driving circuit, CSFP optical module electrical interfaces are sequentially connected, the MCU+EEPROM management assemblies Connect the CSFP optical modules electrical interface.The MCU+EEPROM management assemblies are also respectively connected with the first laser device driving electricity Road and second laser driving circuit.

Further, which is equipped with 1 road laser output, 2 road laser outputs, 1 circuit-switched data input terminal, 2 circuit-switched datas Input terminal and I2C serial line interfaces, the first TOSA light emission components connect 1 road laser output, the 2nd TOSA light hair It penetrates component and connects 2 road laser outputs, the CSFP optical modules electrical interface is separately connected 1 circuit-switched data input terminal, the input of 2 circuit-switched datas End and I2C serial line interfaces.

Advantageous effect：Compared with prior art, remarkable advantage is the utility model：

The utilization rate of system equipment based on the utility model, equipment plate card is improved.Standard SFP+ modules are changed to The SFP+ optical modules of binary channels transmitting, the 10G communication links number of transmitting will improve twice；Save connecing for SFP+ optical modules simultaneously Module resource is received, cost is reduced.

System equipment based on the utility model, port can support traditional standard SFP+ modules, binary channels transmitting simultaneously SFP+ optical modules and CSFP+ optical modules, single port can meet single 10G circuits transmitting-receiving, 2 difference 10G circuits single-shots and 2 Single fiber bi-directional 10G circuits are a variety of to use scene.

Meanwhile in 2 10G circuit single-shots in use, solution of the comparison based on standard CSFP+ optical modules, because Using unidirectional light emitting devices TOSA, the SFP+ optical modules of binary channels transmitting have prodigious cost advantage, have and existing 10G The ability that optical link network is docked.

Description of the drawings

Fig. 1 is the structural schematic diagram of the SFP+ optical modules of binary channels transmitting provided by the utility model；

Fig. 2 is the digital diagnosis function Address d istribution signal of the SFP+ optical modules of binary channels transmitting provided by the utility model Figure.

Specific implementation mode

A kind of SFP+ optical modules of binary channels transmitting are present embodiments provided, as shown in Figure 1, including the first TOSA light emittings Component, the 2nd TOSA light emission components, first laser device driving circuit, second laser driving circuit, MCU+EEPROM management Component and the CSFP optical module electrical interfaces for cropping data output unit, the first TOSA light emission components, first laser Device driving circuit, CSFP optical module electrical interfaces are sequentially connected, the 2nd TOSA light emission components, second laser driving electricity Road, CSFP optical module electrical interfaces are sequentially connected, and the MCU+EEPROM management assemblies connect the CSFP optical modules electrical interface.Institute It states MCU+EEPROM management assemblies and is also respectively connected with the first laser device driving circuit and second laser driving circuit.The mould Block is equipped with 1 road laser output, 2 road laser outputs, 1 circuit-switched data input terminal, 2 circuit-switched data input terminals and I2C serial line interfaces, institute It states the first TOSA light emission components and connects 1 road laser output, 2 road laser output of the 2nd TOSA light emission components connection End, the CSFP optical modules electrical interface are separately connected 1 circuit-switched data input terminal, 2 circuit-switched data input terminals and I2C serial line interfaces.With reference to The SFP+ optical module electrical interfaces of CSFP MSA specifications, binary channels transmitting include 20 metal finger pins, and pin is arranged such as 1 institute of table Show：

The SFP+ optical module pin definitions of 1 binary channels of table transmitting

Pin serial number	Title	Function describes
			1	Vee	Optical module
2	TX Fault	Emit error indication
			3	TX1_Disable	The transmitting of the roads #1 is closed
4	MOD_DEF2	Serial interface data line
			5	MOD_DEF1	Serial interface clock line
6	TD2-	The roads #2 emit data input negative terminal
			7	TD2+	The roads #2 emit data input positive terminal
8	NC1	Module pin is not connect with inside
			9	NC2	Module pin is not connect with inside
10	NC3	Module pin is not connect with inside
			11	Vee	Optical module
12	NC4	Module pin is not connect with inside
			13	NC5	Module pin is not connect with inside
14	NC6	Module pin is not connect with inside
			15	Vcc	Optical module power supply
16	Vcc	Optical module power supply
			17	Tx2_Disable	The transmitting of the roads #2 is closed；
18	TD1+	The roads #1 emit data input positive terminal
			19	TD1-	The roads #1 emit data input negative terminal
20	Vee	Optical module

18 feet and 19 feet of the first laser device driving circuit connection optical module realize the number electricity that first passage receives Signal is converted to optical signal output；6 feet and 7 feet of the second laser driving circuit connection optical module, realize second channel The digital electric signal of reception is converted to optical signal output；

According to CSFP MSA specifications, CSFP electrical interfaces (2CH COMPACT SFP Option 2) itself compatibility supports tradition Standard SFP+ optical modules.Therefore the system equipment designed according to the electrical interface, port can support traditional standard SFP+ moulds simultaneously The SFP+ optical modules and CSFP+ optical modules that block, binary channels emit, single port can meet the transmitting-receiving of single 10G circuits, 2 10G lines Road single-shot and 2 single fiber bi-directional 10G circuits it is a variety of use scene.Meanwhile in 2 10G circuit single-shots in use, because using The SFP+ optical modules of unidirectional light emitting devices TOSA, binary channels transmitting have prodigious cost advantage, have and rear end tradition mark Quasi- SFP+ modules carry out the ability of 10G optical port docking；

The utility model refers to CSFP MSA specifications, with carrying out the digital diagnosis function of the SFP+ optical modules of binary channels transmitting Location is distributed.I.e. the roads #1 (channel 1) uses address A0/A2, the roads #2 (channel 2) that address B0/B2, numerical diagnostic related content is used to meet " SFF-8472 " protocol specification requirements, as shown in Fig. 2, unified using software convenient for upper layer.

Claims (4)

1. a kind of SFP+ optical modules of binary channels transmitting, including the first TOSA light emission components, the 2nd TOSA light emission components, the One laser driving circuit and second laser driving circuit, it is characterised in that：Further include MCU+EEPROM management assemblies and Crop the CSFP optical module electrical interfaces of data output unit, the first TOSA light emission components, first laser device driving electricity Road, CSFP optical module electrical interfaces are sequentially connected, the 2nd TOSA light emission components, second laser driving circuit, CSFP light Module electric interface is sequentially connected, and the MCU+EEPROM management assemblies connect the CSFP optical modules electrical interface.

2. the SFP+ optical modules of binary channels transmitting according to claim 1, it is characterised in that：The MCU+EEPROM management Component is also respectively connected with the first laser device driving circuit and second laser driving circuit.

3. the SFP+ optical modules of binary channels transmitting according to claim 1, it is characterised in that：The module is equipped with 1 road laser Output end, 2 road laser outputs, 1 circuit-switched data input terminal, 2 circuit-switched data input terminals and I2C serial line interfaces, the first TOSA light Emitting module connects 1 road laser output, and the 2nd TOSA light emission components connect 2 road laser outputs, the CSFP light Module electric interface is separately connected 1 circuit-switched data input terminal, 2 circuit-switched data input terminals and I2C serial line interfaces.

4. the SFP+ optical modules of binary channels transmitting according to claim 1, it is characterised in that：It is described that crop data defeated The CSFP optical module electrical interfaces for going out part include 20 metal finger pins, pin arrangement such as following table：

Pin serial number Title Function describes 1 Vee Optical module 2 TX Fault Emit error indication 3 TX1_Disable The transmitting of the roads #1 is closed 4 MOD_DEF2 Serial interface data line 5 MOD_DEF1 Serial interface clock line 6 TD2- The roads #2 emit data input negative terminal 7 TD2+ The roads #2 emit data input positive terminal 8 NC1 Module pin is not connect with inside 9 NC2 Module pin is not connect with inside 10 NC3 Module pin is not connect with inside 11 Vee Optical module 12 NC4 Module pin is not connect with inside 13 NC5 Module pin is not connect with inside 14 NC6 Module pin is not connect with inside 15 Vcc Optical module power supply 16 Vcc Optical module power supply 17 Tx2_Disable The transmitting of the roads #2 is closed； 18 TD1+ The roads #1 emit data input positive terminal 19 TD1- The roads #1 emit data input negative terminal 20 Vee Optical module

18 feet and 19 feet of the first laser device driving circuit connection optical module, the second laser driving circuit connect light 6 feet and 7 feet of module.