hwEponOltXFPOpticsModuleInfoCooledTransmitterDevice 1.3.6.1.4.1.2011.6.128.1.1.2.24.1.21

This object indicates the cooled transmitter device. Options: 1. nonSupport(0) - Cooled transmitter device NonSupport 2. support(1) - Cooled transmitter device Support 3. invalid(-1) - Indicates that the query fails or no information is detected