71Step1 Turn off the power switch (or switches if two PSUs are installed).Step2 Loosen the captive screws at both sides of the MPUF.Step3 Pull the handles at both side of the MPUF outward and gently pull the card out along the guides until itis completely separated from the chassis.Installing the MPUFStep1 Turn off the power switch (or switches if two PSUs are installed).Step2 Align the edges of the MPUF with the guides in the MPUF slot and push the card into the router. Push theejector levers at both side of the MPUF inward until they form the smallest degree with the MPUF panel.Step3 Fasten the captive screws on the MPUF.Step4 Power on the router and check that the SYS LED is blinking in green.Removing/Installing MSCARemoving MSCAFigure 53 Remove an MSCAStep1 Turn off the power switch (or switches if two PSUs are installed).Step2 Loosen the captive screws at both sides of the MSCA.Step3 Pull the handles at both side of the MSCA outward and gently pull the card out along the guides until itis completely separated from the chassis.Installing MSCAStep1 Turn off the power switch (or switches if two PSUs are installed).
