The product has a built-in 2*10Gbps fiber socket. It can work with the QHYCCD PCIE2.0x8 data grabber card. The fiber
interface is for the requirement of the professional obs. It will give the following advantages than the USB3.0 interface. Then
what is the benefit of the Fiber Interface?
Higher data rate.
One 10Gigabit Fiber can transfer maximum 10Gbps data. The actual data rate can get about
800MBytes/s. While the USB3.0 is 5Gbps and the actual data rate is about 350MByte/sec. Use the two 10Gigabit fiber
can get about 1.6GBytes/s speed. The IMX455 sensor has the high-speed mode like the 10FPS 14bit full resolution mode
and 30FPS 8K VIDEO mode. The data rate of these modes is much more than USB3.0.
Very long transfer distance.
The fiber is hundreds of times longer than USB3.0. USB3.0 can only transfer 3meter to
5meter. For longer distances, it needs the extender cable but can just get 10meter to 15meter. While the Fiber can
transfer 300meter directly by default optic module; with the long-distance optic module, it can transfer up to 40km.
Solid stable and no affected by EMI.
One major factor that causes the camera to hang is the EMI issue. The USB3.0
transfer maybe gets effect by the EMI in the transfer patch. Like the static and other high-power device emitted. The
EMI will cause the transfer data packet to get a CRC error and cause the image loss. A long USB cable is easier to get this
problem. Light can not be affected by the EMI. So with the fiber transfer, it will get everything very stable.
USB3.0
USB3.0 is a very popular interface and very easy to use. USB3.0 can not support a transfer distance of more than 3meter. If
you want to get a long-distance under USB3.0, QHYCCD supplies the optional 5meter and 10meter USB3.0 extender cable
with a built-in amplifier.
GPIO
There is a 6pin GPIO socket on the camera backside. It can be configured into different modes, or customized as the user
requests to meeting more complex timing by re-programming the FPGA.
Specifications
Model
QHY268PRO M
COMS Sensor
SONY IMX571 M
Mono/Color
Mono Only
FSI/BSI
BSI
Pixel Size
3.76um x 3.76um
Summary of Contents for QHY268PRO M
Page 5: ......
Page 10: ...N I N A Open N I N A Nighttime Imaging N Astronomy Drive connections via ASCOM ...
Page 21: ...2 SetQHYCCDBurstModeStartEnd 3 SetQHYCCDBurstIDLE ...
Page 22: ...4 ReleaseQHYCCDBurstIDLE 5 SetQHYCCDBurstModePatchNumber 6 ReseQHYCCDtFrameCounter ...
Page 23: ...7 SetQHYCCDEnableLiveModeAntiRBI 8 EnableQHYCCDImageOSD Sample Code ...
Page 24: ......