H3C S6820 Series Installation Manual

Also see for S6820 Series: Command reference Configuration Examples

Contents

H3C S6820 Series Installation Manual Manual pdf 27 page image

20IMPORTANT:Before powering on the switch, make sure the fan tray airflow direction and the preferred airflowdirection of the switch are the same. If they are not the same, the system generates traps and logs.You can use the fan prefer-direction command to configure the preferred airflow direction for theswitch. By default, the preferred airflow direction of the switch is from the port side to the powermodule side.For more information about the fan prefer-direction command, see H3C S6820 Switch SeriesFundamentals Command Reference.Select fan trays for the switch as needed. For the available fan trays and their specifications, see"Fan trays."To install a fan tray:1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.2. Unpack the fan tray and verify that the fan tray model is correct.3. Orient the fan tray with the "TOP" mark on top. Grasp the handle of the fan tray with one handand support the fan tray bottom with the other, and slide the fan tray along the guide rails intothe slot until the fan tray is fully seated in the slot and has a firm contact with the backplane.See Figure 30.Figure 30 Installing an LSWM1FANSA fan tray in the S6820-32H switchRemoving a fan trayWARNING!• Ensure electricity safety and never touch the rotating fans when you hot-swap a fan tray.• To prevent a fan from causing loud noise, do not touch the fan blades and rotation axis, even ifthe fan is not rotating.To remove a fan tray:1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.2. Grasp the handle of the fan tray with one hand and pull the fan tray part way out of the slot.Support the fan tray bottom with the other and pull the fan tray completely out of the slot.3. Put the removed fan tray in an antistatic bag.