Juniper CBL-M40-PWR-IT ユーザーズマニュアル
Replace a PIC
M40 Internet Router Hardware Guide
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Figure 77: Remove a PIC
Install a PIC
To install a PIC, follow this procedure (see Figure 78):
1.
Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on
the chassis.
the chassis.
2.
Place the FPC into which you are installing the PIC on an antistatic foam mat,
component side up and with its faceplate facing you. If a foam mat is not available,
substitute a standard flat antistatic mat but use extra care when laying the FPC on it to
avoid damaging the electrical components.
component side up and with its faceplate facing you. If a foam mat is not available,
substitute a standard flat antistatic mat but use extra care when laying the FPC on it to
avoid damaging the electrical components.
3.
Push the PIC part way into the FPC slot. Carefully align the tabs on the PIC connector
with the notches in the connector at the rear of the FPC slot. Push the PIC in until the
connectors join.
with the notches in the connector at the rear of the FPC slot. Push the PIC in until the
connectors join.
4.
Carefully turn over the FPC and lay it component side down on the mat with the PIC
faceplates facing you.
faceplates facing you.
5.
Using a Phillips screwdriver, tighten the two screws that secure the PIC in the FPC.
6.
Using a screwdriver, tighten the two screws on the noncomponent side that fasten each
PIC to the FPC.
PIC to the FPC.
g003121
If the pins on the FPC connector are not aligned properly
with the holes in the PIC connector, the pins might be bent
or the holes damaged. Either kind of damage can prevent
the PIC and FPC from functioning correctly.
with the holes in the PIC connector, the pins might be bent
or the holes damaged. Either kind of damage can prevent
the PIC and FPC from functioning correctly.