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Board-level LEDs:
■
OK (green)—Physical link is connected properly and is functioning properly
■
FAIL (red)—Failure detected
Port LEDs:
■
ALM—Bi-color LED:
■
Yellow: Local loss of signal exists
■
Red: Remote loss of signal exists
■
OK (green)—SONET is up and port is functioning properly. If not lit, a problem
exists.
LEDs
■
See Monitoring SONET/SDH Interfaces in JUNOSe Physical Layer Configuration Guide,
Chapter 3, Configuring Unchannelized OCx/STMx Interfaces.
Alarms, errors, and events
OC12/STM4-2 POS IOA ■ 39
OC12/STM4-2 POS IOA