您好，您可以参考ADN2870中关于ALS的描述：
ALS is an input that is used to shut down the transmitter optical output. The ALS pin is pulled up internally with a 6 kΩ resistor and conforms to SFP MSA specification. When ALS is logic high or open, both the bias and modulation currents are turned off.
您好，您可以参考ADN2870中关于ALS的描述：
ALS is an input that is used to shut down the transmitter optical output. The ALS pin is pulled up internally with a 6 kΩ resistor and conforms to SFP MSA specification. When ALS is logic high or open, both the bias and modulation currents are turned off.
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