Carlton vice-captain Bryce Gibbs will spend two weeks on the sidelines after the Blues decided not to challenge his rough conduct charge at the AFL Tribunal.

Gibbs was charged with rough conduct for a tackle on Port Adelaide's Robbie Gray in the second quarter of Saturday's match.

Carlton's Head of Football Andrew McKay says the decision not to challenge was made because going to the tribunal would have been a risk.

"While we believe Bryce executed a fair tackle and it was never his intention to cause injury, given the Match Review Panel's history around similar incidents we thought it was in the best interests of both Bryce and the Club to accept the sanction," McKay said.

"Had we challenged the charge and lost we would have been without Bryce for three weeks."

Gibbs will next be available for selection for Carlton's Round 15 clash with Richmond.