Installing RPMs and Line Cards | 21NOTE: The fan tray face panel has slot number markings for the RPMs and line cards. Insert the fan traybefore the line cards to simplify RPM and line card installation.Step Task1 Extend the left and right card levers by first pressing gently down on the thumb tabs (see Figure 5-1) in the ejectorlevers and then pulling the ejector levers simultaneously until they are in the open position. See Figure 5-2.Figure 5-1. Depress the thumb tabsFigure 5-2. Extend the levers2 Hold the card assembly by the metal carrier edges. Avoid touching the printed circuit board and connector pins.3 Align the card with the guide, and gently slide it into any line card slot until the card is about halfway into the slot.NOTE: Use the markings on the fan tray to determine which slots are for the RPMs and which are for the linecards.4 Continue sliding the line card until you feel the connectors engage with the chassis backplane.