Using Blown Fuse Indicators To Troubleshoot The M40E Router - Juniper M40E Hardware Manual

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Using Blown Fuse Indicators to Troubleshoot the M40e Router

Copyright © 2010, Juniper Networks, Inc.
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Table 19: M40e SONET/SDH Interface Alarm Messages (continued)
LCD Message
interface-name so-x/x/x LOP
interface-name so-x/x/x LOS
interface-name so-x/x/x LRDI
interface-name so-x/x/x PAIS
interface-name so-x/x/x PLL
interface-name so-x/x/x PMIS
interface-name so-x/x/x PRDI
interface-name so-x/x/x REI
interface-name so-x/x/x SEF
interface-name so-x/x/x UNEQ
Connecting the M40e Router to Management and Alarm Devices on page 111
M40e Router LED Overview on page 146
Using Blown Fuse Indicators to Troubleshoot the M40e Router on page 149
Contacting Customer Support on page 307
The router uses fuses from the Cooper Bussman brand GMT series for the FPCs, MCSs,
PCGs, and SFMs. They are located in a fuse box on the rear of the midplane. When the
fuse for a component blows, the component stops functioning even though it is installed
correctly and the power supplies are still providing power to the router.
Figure 77 on page 150 shows the location in the fuse box of the fuse for each component.
The labels shown in the figure do not appear on the actual fuses (the clear cover on every
fuse reads ), but a table on the surface of the midplane below the fuse box
BUSS GMT-X
displays the same information.
Chapter 15: Troubleshooting M40e Hardware Components
CLI Message
interface-name so-x/x/x - SONET loss of pointer
interface-name so-x/x/x - SONET loss of signal
interface-name so-x/x/x - SONET line remote defect
indicator
interface-name so-x/x/x - SONET path AIS
interface-name so-x/x/x - SONET PLL lock
interface-name so-x/x/x - SONET path mismatch
interface-name so-x/x/x - SONET path remote defect
indicator
interface-name so-x/x/x - SONET remote error indicator
interface-name so-x/x/x - SONET severely errored frame
interface-name so-x/x/x - SONET unequipped
149