Agilent J1422A 10 Gb/s DWDM Transmitter Module

The Agilent J1422A is a 10 Gb/s DWDM transmitter module designed to generate dense wavelength division multiplexing optical signals for testing and validation of optical systems and components. It delivers NRZ-formatted data at 10 Gb/s with precise wavelength control across the ITU-T grid, making it essential for telecommunications and optical networking applications requiring narrow channel spacing and accurate channel identification.

Technical Specifications

• Data Rate: 10 Gb/s NRZ format


• Wavelength Range: ITU-T grid, 1548.41 nm to 1556.65 nm (standard internal laser)


• Wavelength Adjustment: ±1 nm tuning range


• Wavelength Options: Alternative ITU-grid laser wavelengths available upon request


• Optical Output Connector: FC/PC


• Laser Classification: Class I (non-hazardous), FDA Standard 21 CFR Ch. 1 1040.10 compliant


• Interconnect: Semi-rigid Panda polarization-maintaining fiber between internal laser and external modulator input


• Modulation Capability: Low-frequency modulation of internal laser for channel identification

Key Features

• Selectable ITU-T grid wavelengths enable flexible DWDM deployment across multiple channels


• ±1 nm tuning accommodates precise wavelength alignment and compensation


• Class I laser operation ensures safe use in standard laboratory environments


• Polarization-maintaining fiber connection maintains signal integrity to external modulators


• Internal laser low-frequency modulation supports channel identification and diagnostic functions

Typical Applications

• Bit error ratio (BER) testing of 10 Gb/s optical transmitters and receivers


• 10 Gb/s SONET/SDH and 10 GigE network validation


• IP optical network testing including systems with forward error correction (FEC)


• DWDM optical component characterization and system integration testing

Compatibility & Integration Pairs with the Agilent J14234A 10 Gb/s Lightwave Receiver to establish complete optical links for system or fiber testing. Compatible with the Agilent 71612C 12.5 Gb/s Error Performance Analyzer for receiver threshold and timing optimization. Module works alongside other Agilent DWDM transmitter modules including J1422B, J4230A, J4231A, and J4232A.