The AQ2200-621 and -622 are optical modulator modules designed for use with the AQ2200 Series AQ2200-601 BERT module. The PPG electrical signal from the AQ2200-601 BERT module is modulated to Optical signal. The AQ2200-621 and -622 should be used together with the AQ2200-111 optical light source module (PMF option).

Extinction ratio adjustment function (6 dB to 12 dB) Be sure to use an oscilloscope to establish the relationship between the setpoint and extinction ratio before using the output light Extinction ratio. Cross point adjustment function Auto-Bias Control ON/OFF function Bias Slope switching function

The AQ2200-631 is an optical receiver module for the AQ2200 series AQ2200-601 BERT module. It converts an optical signal to an electric signal which can be input to the ED unit in the AQ2200-601 BERT module.

Note that the AQ2200-631 cannot be used as a waveform monitor because a limiting amp is positioned in the stage subsequent to optical/electrical conversion.

Data threshold value adjustment function Overload detection function Loss detection function Optical power monitor function (-19 dBm to +3 dBm) Data Out ON/OFF function

Optical transceiver characteristics evaluation tests
The AQ2200-621/622 and –631 can be used in tests such as bit error tests and error rate curve characteristics tests on devices with a 10 Gbit/soptical interface. With the AQ2200 series, all the modules you need fit into a 19-inch-rack frame, providing a compact system.

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