Installing an MX240 FPC
An FPCtakes up two DPC slots on the MX240router. One FPC can be installed horizontally
in the front of the router. The FPCs are hot-insertable and hot-removable. A fully
configured FPC can weigh up to 18 lb (8.2 kg). Be prepared to accept its full weight.
To install an FPC (see Figure 94 on page 239):
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 FPC on an antistatic mat.
3. Take each PIC to be installed in the replacement FPC out of its electrostatic bag and
identify the slot on the FPC where it will be connected.
4. Verify that each fiber-optic PIC has a rubber safety cap covering the PIC transceiver.
If it does not, cover the transceiver with a safety cap.
5. Install each PIC into the appropriate slot on the FPC.
6. Locate the slots in the card cage in which you plan to install the FPC.
7. Orient the FPC so that the faceplate faces you.
8. Lift the FPC into place and carefully align the sides of the FPC with the guides inside
the card cage.
CAUTION: When the FPC is out of the chassis, do not hold it by the ejector
handles, bus bars, or edge connectors. They cannot support its weight.
9. Slide the FPC all the way into the card cage until you feel resistance.
10. Grasp both ejector handles and rotate them clockwise simultaneously until the FPC
is fully seated.
11. If any of the PICs on the FPC 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.
Copyright © 2017, Juniper Networks, Inc.238
MX240 3D Universal Edge Router Hardware Guide
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