Cisco Catalyst 9400 Guide D'installation page 139

Retirer et remplacer des unités remplaçables sur site
Étape 5
Attach the lug to the two posts, secure with the two nuts, and tighten with the torque driver. The fastening
torque is between 2.0 and 2.8 Nm. Do not overtorque.
Note
Always use a torque driver when you have to tighten nuts; it prevents you from overtightening
them.
Guide d'installation matérielle des commutateurs Cisco Catalyst 9400
Connecting the DC-Input Wires
133