Cisco Systems Cisco CRS-1 Manual De Usuario
4-38
Cisco CRS-1 Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-07
Chapter 4 Installing and Removing SFCs, RPs, MSCs, PLIMs, and Associated Components
How to Install or Remove a Modular Services Card
Required Tools and Equipment
You need the following tools and part to perform this task:
•
ESD-preventive strap
•
Medium flat-blade or Phillips screwdriver
•
Impedance carrier (Cisco product number: CRS-MSC-IMPEDANCE=)
Steps
To remove an MSC, follow these steps:
Step 1
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
sockets on the front (PLIM) side of the chassis or a bare metal surface on the chassis.
sockets on the front (PLIM) side of the chassis or a bare metal surface on the chassis.
Step 2
Use a screwdriver to loosen the captive screw next to each MSC ejector lever.
Caution
To prevent ESD damage, handle an MSC by its ejector levers or the MSC carrier edges only.
Do not touch any of the electrical components, pins, or circuitry.
Do not touch any of the electrical components, pins, or circuitry.
Step 3
Simultaneously pivot the ejector levers away from the faceplate to release the MSC from the midplane
connectors.
connectors.
Step 4
Grasp the card carrier edges, and gently pull the MSC halfway from the slot (see
).
Step 5
Move one hand under the MSC to guide it. Avoid touching the MSC printed circuit board, components,
or any connector pins. Lift cards from the bottom.
or any connector pins. Lift cards from the bottom.