Juniper Networks E320 manual 36 OC12/STM4-2 ATM IOA

E320 8.1.x Module Guide

Cables and connectors	■	Up to two LC full duplex connectors
(single-mode intermediate [IR-1])	■	Transmit power:
		■	min: –15 dBm
		■	max: –8 dBm
	■ Center wavelength: 1310 nm
	■	Receive input power:
		■	min: –28 dBm
		■	max: –7 dBm
	■ Rated for 15 km (9.3 miles) of 9-micron core cable
	■ See E320 Hardware Guide, Chapter 5, Cabling the Router for more information.
Cables and connectors	■	Up to two LC full duplex connectors
(single-mode long reach [LR-1])	■	Transmit power:
		■	min: –3 dBm
		■	max: 2 dBm
	■ Center wavelength: 1310 nm
	■	Receive input power:
		■	min: –28 dBm
		■	max: –7 dBm
	■ Rated for 40 km (24.9 miles) of 9-micron core cable
	■ See E320 Hardware Guide, Chapter 5, Cabling the Router for more information.
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.

36■ OC12/STM4-2 ATM IOA