2-25
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
OL-13669-03
Chapter 2 Downgrading Your Cisco CRS-3 Carrier Routing System Router Back to a Cisco CRS-1 Carrier Routing
System Router
Downgrading your Cisco CRS-3 Carrier Routing System 8-Slot Line Card Chassis Back to a Cisco CRS-1 Carrier
Routing System 8-Slot Line Card Chassis
RP/0/RP0/CPU0:router(admin)#show platform
Node Type PLIM State Config State
<snip>
0/SM0/SP FC-140G/S N/A UNPOWERED PWR,NSHUT,MON
0/SM1/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM2/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM3/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM4/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM5/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM6/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
0/SM7/SP FC-140G/S N/A IOS XR RUN PWR,NSHUT,MON
<snip>
Swap the Cisco CRS-3 Fabric with the Newly Installed Cisco CRS-1 Fabric
Now, physically remove the powered down Fabric node from slot 0/SM0 and replace it with the CRS-1
Fabric.
Physically Removing the CRS-3 Fabric Card
This section describes how to physically remove the CRS-3 fabric card, and verify that node is ready to
have a CRS-1 fabric card installed in its place.
This section describes how to remove a CRS-3 fabric card from the Cisco CRS Fabric Card Chassis. For
more detailed information on the switch fabric card, see Cisco CRS Carrier Routing System Multishelf
System Description.
Caution Class 1M laser radiation when open. Do not view directly with optical instruments. Statement 281
Warning
For diverging beams, viewing the laser output with certain optical instruments within a distance of
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
Warning
Laser radiation. Do not view directly with optical instruments. Class 1M laser product.
Statement 283
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