Juniper Networks T1600 - Manual (Page 131)

OK LED, one tricolor:
• Off—PIC is offline and safe to remove from the router
• Green—PIC is operating normally
• Yellow—PIC is initializing
• Red—PIC has an error or failure
APP LED, one green per port:
• Off—Service is not running
• Green—Service is running under acceptable load
Port LEDs, 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
131 Copyright © 2013, Juniper Networks, Inc.
SONET/SDH OC48/STM16 Enhanced IQ (IQE) PIC with SFP (T1600 Router)