Emergent 10GigE and 25GigE cameras, coupled with Myricom’s MVA or Mellanox’ VMA, equals or out-performs other interfaces in every technical category and its price performance is the best. With VMA or MVA, all the shortcomings associated with 1GigE w.r.t. CPU utilization, latency and jitter are obliterated. Industry acceptance is excellent as well.
A few comments are necessary to justify the conclusions here and the reader is left to agree or validate further as we always suggest for those making purchases especially when reading information from other sales-driven sources and that includes magazine articles which are often directly or indirectly funded by proponents of a given interface technology.
Here, the closest competitor is CXP. Naturally, 10GigE can be a competitor to both CXP6 and CXP12 in which case 10GigE has higher bandwidth to CXP6 but only slightly lagging behind CXP12. If the customer needs higher speeds than 10GigE, then 25GigE would be used which doubles the bandwidth of CXP12.
We logically offer 10GigE and 25GigE to span the variety of resolution and frame rate needs of our customers.
We would be remiss to not address the concept of multiple link capabilities of CXP. Naturally, speeds can be increased as multiple cables are added. The main factor that one will run into with this is a substantially added cost due to higher grade camera, cable and frame grabber products and this is especially true when long cable runs are desired where expensive fiber adapters are needed and with each link needing a separate fiber adapter CXP channel. One thing to note here is that sensors need time to catch up as there are very few worthy sensors at higher speeds than 25GigE so for now put away your expensive CXP12 x4 links and when the sensors are ready, which is still years away, then we will have a low cost single link solution.
Here, the closest competitor is CXP. Low cost commodity SFP+ and SFP28 transceivers create a virtually limitless link length. In comparison, CXP6 and CXP12 will achieve 72m and 30m respectively but can go further with the afore mentioned expensive fiber adapters. It is important to distinguish between SFP+/SFP28 transceivers and CXP or CameraLink fiber adapters. Transceivers are low cost commodity product which slots directly in the camera and NIC while the fiber adapters are expensive bulky external pieces of hardware (often the same size as the camera itself or even bigger) produced by very few suppliers and these sit somewhere in-between the camera CXP or CameraLink cable(s) and the fiber link which, interestingly enough, employs the same SFP+ transceivers that Emergent cameras employ directly in the camera. And, naturally, you need one fiber adapter at each end of the link since the grabber will typically have the same interface as the camera.
This is an easy win for Ethernet technologies with the backing of the IEEE and having AIA support with GigEVision accentuates this. Any Ethernet technology that exists can also apply to its use in Machine Vision or Broadcast applications. Topping the list are: general networking, PTP, Multicast, SMPTE 2110 and many other pre-defined protocols.
Here we consider the adoption of the interface technology over all industries and not just over the relatively small single industry of Machine Vision. In this light, there is no question what the preferred interface is and thus what will drive product availability, pricing, and technology advances.
Emergent’s partnerships with Mellanox and Myricom have helped to equal the performance of the top frame grabbers in the industry but at a significant price discount.
This is what it often all comes down to and we invite customers to get their complete system quotes from our competitors and absolutely make sure to perform the technical due diligence and then compare all results before committing to any solution. This goes as much for competitors pushing their expensive CXP wares as for competitors supplying 10GigE or other Ethernet based cameras as it is not just about the technology but it is also about the quality of the implementation and support.
In conclusion, when getting quotes for comparison, make sure at minimum that 10GigE is being compared to either CXP6 x1/x2 or CXP12 x1 and that 25GigE is being compared to either CXP6 x4 or CXP12 x2.
Additionally, one should understand how many camera channels per PCIe slot you are getting in your frame grabber in comparison to our NICs. We offer up to 2x 25GigE port cards which is the equivalent of a CXP6 x8 card or CXP12 x4 assuming that the CXP card has independent camera channel support.
Lastly, understand your cabling options especially cable length restrictions as these can dictate a significantly added cost if CXP fiber converters are needed.