Installing an MX240 MPC
An MPC installs horizontally in the front of the router. The MPCs are hot-insertable and
hot-removable. A fully configured MPC can weigh up to 18.35 lb (8.3 kg). Be prepared to
accept its full weight.
To install an MPC (see Figure 97 on page 244):
1. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
2. Place the MPC on an antistatic mat.
3. Take each MIC to be installed in the replacement MPC out of its electrostatic bag and
identify the slot on the MPC where it will be connected.
4. Verify that each fiber-optic MIC has a rubber safety cap covering the MIC transceiver.
If it does not, cover the transceiver with a safety cap.
5. Install each MIC into the appropriate slot on the MPC.
6. Locate the slot in the card cage in which you plan to install the MPC.
7. Orient the MPC so that the faceplate faces you.
8. Lift the MPC into place and carefully align the sides of the MPC with the guides inside
the card cage.
CAUTION: When theMPCis out of the chassis, do not holdit by the ejector
handles, bus bars, or edge connectors. They cannot support its weight.
9. Slide the MPC all the way into the card cage until you feel resistance.
10. Grasp both ejector handles and rotate them clockwise simultaneously until the MPC
is fully seated.
11. If any of the MICs on the MPC connect to fiber-optic cable, remove the rubber safety
cap from each transceiver and cable.
WARNING: Do not look directly into a fiber-optic transceiver or into the
ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable
connected to a transceiver emit laser light that can damage your eyes.
243Copyright © 2017, Juniper Networks, Inc.
Chapter 21: Installing Components
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