Juniper-networks M7I User Manual Page 61

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One tricolor per port:
Off—Not enabled
Green—Online with no alarms or failures
Yellow—Online with alarms for remote failures
Red—Active with a local alarm; router has detected a failure
LEDs
Alarm indication signal (AIS)
Bipolar violations
Excessive zeros
Far-end block errors (FEBE, E-bit errors)
Loss of frame (LOF)
Loss of signal (LOS)
Local and remote loopback diagnostics
Yellow alarm bit (X-bit) disagreements
Alarms, errors, and
events
Related
Documentation
M7i PICs Description on page 3
M7i PICs Supported on page 4
M7i PIC/CFEB Compatibility on page 11
61Copyright © 2010, Juniper Networks, Inc.
E1 PIC (M7i Router)
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