Juniper Networks E320 manual LEDs

OC12/STM4-2 POS IOA

LEDs	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.

Alarms, errors, and events	■ See Monitoring SONET/SDH Interfaces in JUNOSe Physical Layer Configuration Guide,
	Chapter 3, Configuring Unchannelized OCx/STMx Interfaces.

OC12/STM4-2 POS IOA ■ 39