Cisco CRS-1 - Carrier Routing System Router Migration Manual page 108

Downgrading your Cisco CRS-3 Carrier Routing System 16-Slot Line Card Chassis Back to a Cisco CRS-1 Carrier Routing
System 16-Slot Line Card Chassis
For diverging beams, viewing the laser output with certain optical instruments within a distance of
Warning
100 mm may pose an eye hazard. For collimated beams, viewing the laser output with certain optical
instruments designed for use at a distance may pose an eye hazard. Statement 282
Laser radiation. Do not view directly with optical instruments. Class 1M laser product. Statement 283
Warning
Figure 2-3 CRS-1 Fabric Card
Prerequisites
Before performing this task, you must first open the front (SFC) side cosmetic doors (if installed).
Caution Use the slide-assistance arm to slide cards from the card carrier. DO NOT LIFT CARDS BY THE
SLIDE-ASSISTANCE ARM! Rotate cards onto their vertical axes, then lift them from the bottom, using
the slide-assistance arm only as an aid for balance.
Required Tools and Equipment
You need the following tools and part to perform this task:
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Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
2-10
Chapter 2 Downgrading Your Cisco CRS-3 Carrier Routing System Router Back to a Cisco CRS-1 Carrier Routing
ESD-preventive wrist strap
Large Phillips screwdriver
CRS-1 fabric card
System Router
OL-13669-03