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FPC402: 输出接口状态确认

Part Number: FPC402

咨询一下基于以下工作情况时FPC402输出接口的状态:

1、电源正常上电,FPC402连接SFP的I2C,PRESENT,RS.TX_DIS信号,FPC402通过I2C接口CTRL管脚与FPGA相连

2、FPGA firmware需要进行升级,那么此时FPC402与FPGA之间I2C接口不工作

想确认此时(I2C接口不正常),FPC402输出OUT_A/B/C/D相对于I2C接口正常时信号电平、波形有何变化?