Other Parts Discussed in Thread: FPC402
Hi team,
Can our FPC401 support the feature to laser off QSFP28 within 50ms?
We use SPI to access FPC401 which connected QSFP28 module with I2C bus.
And tried to do QSFP28 module laser off action 200 times, finally got 25 times about ~100ms.
Pls. comments if any other thing needed on this FPC access?
Even we remove the first read action, We still got some time >50ms.
Below is the basic FPC action for the QSFP28 module laser off.
- Check QSFP28 module present info in the FPC chain ( FPC read action: fpc401_in_get in_get)
- Laseroff related QSFP28 module (FPC write action: fpc401_downstream_write downstream_write)
thanks very much!