AD9121 LVDS RECEIVER INPUTS data, DCI, FRAME inputs

Hi all,

Are the AD9121 LVDS RECEIVER INPUTS (data, DCI, FRAME inputs) Self-biased input ?,
and both dc-coupled and ac-coupled available ?

Is the input circuit different from the data/ DCI/ FRAME and DACCLK/REFCLK ?

Best regards,
sss