Juniper Networks M7I - Manual (Page 61)

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
61 Copyright © 2010, Juniper Networks, Inc.
E1 PIC (M7i Router)