def METHOD_NAME(self, channel, disable):
    """
    Sets the tx_disable for specified SFP channels
    Args:
        channel : A hex of 4 bits (bit 0 to bit 3) which represent channel 0 to 3,
                  e.g. 0x5 for channel 0 and channel 2.
        disable : A boolean, True to disable TX channels specified in channel,
                  False to enable
    Returns:
        A boolean, True if successful, False if not
    """
    return False