CN103983821B - A kind of high frequency performance test structure of pluggable optical module adapter - Google Patents
A kind of high frequency performance test structure of pluggable optical module adapter Download PDFInfo
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- CN103983821B CN103983821B CN201410159450.5A CN201410159450A CN103983821B CN 103983821 B CN103983821 B CN 103983821B CN 201410159450 A CN201410159450 A CN 201410159450A CN 103983821 B CN103983821 B CN 103983821B
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Abstract
A kind of high frequency performance test structure of pluggable optical module adapter, relate to pluggable optical module adapter high frequency performance field tests, including the first pcb board and the second pcb board, it is equipped with coaxial connector on two pieces of pcb boards, the optical module connector that first pcb board device is to be measured, optical module connector covers the coaxial connector on copper and the first pcb board by PCB and connects, the stitch of the high-speed differential signal of optical module connector connects coaxial connector, described second pcb board is fixedly installed structural member, the second pcb board is fixed in one end of structural member, the other end stretches out outside the second pcb board, and golden finger is set, described golden finger covers copper by PCB and connects the coaxial connector on the second pcb board, described golden finger mates grafting with optical module connector.Connected mode of the present invention is stable, measures the high frequency performance of adapter accurately, reduces error, it is ensured that the integrity analysis of whole signal link.
Description
Technical field
The present invention relates to pluggable optical module adapter high frequency performance field tests, be specifically
A kind of high frequency performance test structure of pluggable optical module adapter.
Background technology
Pluggable optical module has a wide range of applications in the communications field, along with signal transmission rate
Constantly promote, the SFP Plus of current 10Gbps, QSFP Plus, CXP and 25Gbps
The adapter such as zSFP Plus, zQSFP Plus the most ripe commercial or gradually commercial, thus right
These there has also been higher requirement with optical module to plug in adapter.The high frequency performance of adapter
(SI performance) index must meet or exceed practically necessary signal rate, guarantee
The integrity of high speed signal link.There is such adapter of more manufacturer production in the market, but
High frequency performance is uneven, and the method for test connector performance is the most different, gives and passes judgment on connection
The performance of device brings puzzlement.The integrity of one signal link comprises connector performance, PCB
The performance of plate and the performance etc. of chip, because connected mode is not sufficiently stable, cause test to there is error,
And if connector performance is inaccurate, the integrity analysis of whole signal link can be caused to be forbidden
Really.
Summary of the invention
For defect present in prior art, it is an object of the invention to provide a kind of pluggable
The high frequency performance test structure of optical module connector, connected mode is stable, measures connection accurately
The high frequency performance of device, reduces error, it is ensured that the integrity analysis of whole signal link.
For reaching object above, the present invention adopts the technical scheme that: a kind of pluggable optical module
The high frequency performance test structure of adapter, including the first pcb board and the second pcb board, two pieces
Coaxial connector it is equipped with on pcb board, the optical module connector that the first pcb board device is to be measured,
The coaxial connector that optical module connector covers copper and the first pcb board by PCB connects, optical mode
The stitch of the high-speed differential signal of block adapter connects the coaxial connector on the first pcb board,
Described second pcb board is fixedly installed structural member, and the second pcb board is fixed in one end of structural member,
The other end stretches out outside the second pcb board, and arranges golden finger, and described golden finger is covered by PCB
Copper connects the coaxial connector on the second pcb board, and described golden finger is connected with described optical module
Device coupling grafting.
On the basis of technique scheme, described optical module connector is solid by the way of welding
Due to the first pcb board.
On the basis of technique scheme, outside described optical module connector, screening cage is set.
On the basis of technique scheme, the coaxial connector on described first pcb board is even
Connecing a test instrumentation, the coaxial connector on described second pcb board connects another test instrumentation.
On the basis of technique scheme, one end of described structural member is fixed on by screw
Two pcb boards.
On the basis of technique scheme, described structural member is T-type structure, and it includes fixing
Section and the extension being perpendicular to canned paragraph, described canned paragraph has bolt hole, and extension has tongue
Plate, described golden finger is arranged at hyoplastron surface.
On the basis of technique scheme, described optical module connector is SFP Plus, zSFP
During Plus optical module connector, the bottom surface, end of the extension of described structural member has breach, institute
State hyoplastron to be arranged in breach, and this extension is connected with SFP Plus, zSFP Plus optical module
Device mates.
On the basis of technique scheme, described optical module connector be QSFP Plus,
During zQSFP Plus optical module connector, the bottom surface, end of the extension of described structural member has scarce
Mouthful, described hyoplastron is arranged in breach, and end, extension end face is provided with L-shaped fluting, and this prolongs
The section of stretching is mated with QSFP Plus, zQSFP Plus optical module connector.
On the basis of technique scheme, described optical module connector is that CXP optical module connects
When connecing device, the end extension of the extension of described structural member is provided with hyoplastron, and the end face of extension sets
There is the groove being perpendicular to canned paragraph, and this extension is mated with CXP optical module connector.
The beneficial effects of the present invention is: during test, golden finger mates with optical module connector to be inserted
Connect, it is ensured that stable connection, reduce test error, convenient plug, improve testing efficiency, shorten
The test period of whole equipment.Structural member has difference for different optical module connector types
Structure, play during grafting the effect guided time slotting, do not rock after insertion, stable connection,
To ensure signal quality, will not cross to insert and bring damage to adapter.
Accompanying drawing explanation
Fig. 1 is the high frequency performance test structural representation of pluggable optical module adapter of the present invention；
Fig. 2 is the test philosophy figure that the present invention tests between structure and test instrumentation；
Fig. 3 is SFP Plus, zSFP Plus optical module connector time structural member schematic diagram；
Fig. 4 is QSFP Plus, zQSFP Plus optical module connector time structural member schematic diagram；
Fig. 5 is structural member schematic diagram during CXP optical module connector.
Reference:
1-the first pcb board, 2-the second pcb board, 3-coaxial connector, 4-optical module connector,
5-structural member, 51-canned paragraph, 52-extension, 53-bolt hole, 54-L shape fluting, 55-is recessed
Groove, 6-golden finger, 7-test instrumentation, 8-hyoplastron.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As depicted in figs. 1 and 2, the high frequency performance test of pluggable optical module adapter of the present invention
Structure, including the first pcb board 1 and the second pcb board 2, two pieces of pcb boards is equipped with same
Mandrel connector 3, the optical module connector 4 that the first pcb board 1 device is to be measured, optical module connects
The connected mode of device 4 is welding, and optical module connector 4 outside arranges screening cage, described light
The coaxial connector 3 that modular connector 4 is covered on copper and the first pcb board 1 by PCB connects,
The stitch selecting the high-speed differential signal of optical module connector 4 connects on the first pcb board 1
Coaxial connector 3, coaxial connector 3 connecting test instrument 7 respectively, it is used for testing optical module
The SI performance of adapter 4.Described second pcb board 2 is fixedly installed structural member 5, structural member
The second pcb board 2 is fixed in one end of 5, and the other end stretches out outside the second pcb board 2 and arranges
Golden finger 6, described golden finger 6 by PCB cover that copper connects on the second pcb board 2 coaxial
Adapter 3, described golden finger 6 mates grafting with optical module connector 4.
Shown in Fig. 2, during test, the coaxial connector 3 on described two pieces of pcb boards connects respectively
Connect test instrumentation 7, be used for launching and receiving signal.For different optical module connectors 4,
Described structural member 5, in order to the most preferably mate docking, is provided with different version, and
In the present invention, the second pcb board 2 is fixed on by screw in one end of structural member 5.Described structure
Part 5 is T-type structure, and it includes canned paragraph 51 and is perpendicular to the extension 52 of canned paragraph 51,
Described canned paragraph 51 has the bolt hole for installing bolt, and extension 52 has hyoplastron 8,
Described golden finger 6 is arranged at the surface of hyoplastron 8.
As it is shown on figure 3, described optical module connector 4 be SFP Plus, zSFP Plus optical module
During adapter, described structural member 5 is T-type structure, and it includes canned paragraph 51 and is perpendicular to solid
The extension 52 of the section of determining, described canned paragraph 51 has bolt hole 53, the end of extension 52
Bottom surface has breach, has hyoplastron 8, the tongue that described golden finger 6 is arranged in breach in breach
On plate 8, and this extension 52 is mated with SFP Plus, zSFP Plus optical module connector.
As shown in Figure 4, described optical module connector 4 be QSFP Plus, zQSFP Plus light
During modular connector, described structural member 5 is T-type structure, and it includes that canned paragraph 51 is with vertical
In the extension 52 of canned paragraph, described canned paragraph 51 has bolt hole 53, extension 52
Bottom surface, end has breach, has hyoplastron 8 in breach, and described golden finger 6 is arranged in breach
Hyoplastron 8 on, the end end face of extension 52 is provided with L-shaped fluting 54, and this extension 52
Mate with QSFP Plus, zQSFP Plus optical module connector.
During as it is shown in figure 5, described optical module connector 4 is CXP optical module connector, institute
Stating structural member 5 is T-type structure, and it includes canned paragraph 51 and is perpendicular to the extension of canned paragraph
52, described canned paragraph 51 has bolt hole 53, and the end of extension 52 has hyoplastron 8, institute
Stating on the hyoplastron 8 of the end that golden finger 6 is arranged at extension 52, the end face of extension 52 sets
There are the groove 55 being perpendicular to canned paragraph 51, and this extension 52 and CXP optical module connector
Coupling.
As depicted in figs. 1 and 2, during installation, the first pcb board 1 welds optical module even
Connect device 4, and load onto corresponding screening cage, take in optical module connector 4 for walking high-speed-differential letter
Number stitch connect coaxial connector 3, be used for test its SI performance, the first pcb board 1
PCB covers copper and is reliably connected with coaxial connector 3 on this plate respectively.Have on second pcb board 2
There is the golden finger 6 mated with optical module connector 4, take the letter corresponding with optical module connector 4
Number line and the first pcb board coordinate the SI performance testing this optical module connector 4, golden finger 6
Cover copper again by PCB to be reliably connected with the coaxial connector 3 on the second pcb board 2 respectively.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
Within these improvements and modifications are also considered as protection scope of the present invention.This specification is not made in detail
The content described belongs to prior art known to professional and technical personnel in the field.
Claims (9)
1. a high frequency performance test structure for pluggable optical module adapter, including a PCB
Plate (1) and the second pcb board (2), two pieces of pcb boards are equipped with coaxial connector (3),
The optical module connector (4) that first pcb board (1) device is to be measured, optical module connector (4)
The coaxial connector (3) being covered copper and the first pcb board (1) by PCB is connected, its feature
It is: the stitch of the high-speed differential signal of optical module connector (4) connects the first pcb board (1)
On coaxial connector (3), described second pcb board (2) is fixedly installed structural member (5),
The second pcb board (2) is fixed in one end of structural member (5), and the other end stretches out the 2nd PCB
Plate (2) outward, and arranges golden finger (6), and described golden finger (6) covers copper even by PCB
Connecing the coaxial connector (3) on the second pcb board (2), described golden finger (6) is with described
Optical module connector (4) coupling grafting.
2. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 1
Structure, it is characterised in that: described optical module connector (4) is fixed on the by the way of welding
One pcb board (1).
3. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 1
Structure, it is characterised in that: described optical module connector (4) is outside arranges screening cage.
4. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 1
Structure, it is characterised in that: the coaxial connector (3) on described first pcb board (1) connects
One test instrumentation (7), the coaxial connector (3) on described second pcb board (2) connects
Another test instrumentation (7).
5. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 1
Structure, it is characterised in that: the 2nd PCB is fixed on by screw in one end of described structural member (5)
Plate (2).
6. the high frequency performance of the pluggable optical module adapter as described in claim 1 or 5 is surveyed
Examination structure, it is characterised in that: described structural member (5) is T-type structure, and it includes canned paragraph
(51) and be perpendicular to the extension (52) of canned paragraph (51), described canned paragraph (51) has
Having bolt hole (53), extension (52) to have hyoplastron (8), described golden finger (6) is arranged
In hyoplastron (8) surface.
7. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 6
Structure, it is characterised in that: described optical module connector (4) is SFP Plus, zSFP Plus light
During modular connector, the bottom surface, end of the extension (52) of described structural member (5) has scarce
Mouthful, described hyoplastron (8) is arranged in breach, and this extension (52) and SFP Plus,
ZSFP Plus optical module connector mates.
8. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 6
Structure, it is characterised in that: described optical module connector (4) is QSFP Plus, zQSFP Plus
During optical module connector, the bottom surface, end of the extension (52) of described structural member (5) has
Breach, described hyoplastron (8) is arranged in breach, and extension (52) end end face is provided with L
Shape fluting (54), and this extension (52) are with QSFP Plus, zQSFP Plus optical module even
Connect device coupling.
9. the high frequency performance test knot of pluggable optical module adapter as claimed in claim 6
Structure, it is characterised in that: when described optical module connector (4) is CXP optical module connector,
The end extension of the extension (52) of described structural member (5) is provided with hyoplastron (8), extension
(52) end face is provided with the groove (55) being perpendicular to canned paragraph (51), and this extension (52)
Mate with CXP optical module connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159450.5A CN103983821B (en) | 2014-04-18 | 2014-04-18 | A kind of high frequency performance test structure of pluggable optical module adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159450.5A CN103983821B (en) | 2014-04-18 | 2014-04-18 | A kind of high frequency performance test structure of pluggable optical module adapter |
Publications (2)
| Publication Number | Publication Date |
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| CN103983821A CN103983821A (en) | 2014-08-13 |
| CN103983821B true CN103983821B (en) | 2016-08-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823524A (en) * | 2016-08-04 | 2020-02-21 | 彭爱勤 | Pluggable receiving and transmitting optical module automatic detection system |
| CN107765117B (en) * | 2017-09-22 | 2019-09-17 | 烽火通信科技股份有限公司 | A kind of test device and method of optical module self-healing |
| CN111367727B (en) * | 2018-12-25 | 2023-11-17 | 中兴通讯股份有限公司 | Connector structure, and method and device for calculating time delay difference |
| CN110501533A (en) * | 2019-08-13 | 2019-11-26 | 深圳市迅特通信技术有限公司 | A kind of QSFP28 optical module test switching device and test method |
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| CN103983821A (en) | 2014-08-13 |
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