Juniper Networks RELEASE 8.1.X E320 - Manual (Page 20)

■ Up to four LC-style fiber-optic connectors
■ Transmit power:
■ min: –2 dBm
■ max: 3 dBm
■ Receive input power:
■ min: –22 dBm
■ max: –3 dBm
■ See the following corresponding table (ZX Fiber Optic Cabling) for cabling
requirements.
■ See E320 Hardware Guide, Chapter 5, Cabling the Router for more information.
Cables and connectors
(single-mode [ZX] )
When lit, LED indicates:
■ OK (green)—Physical link is connected properly and is functioning properly
■ FAIL (red)—Failure detected
■ Port LEDs:
■ LK (green)—Ethernet link is up
■ ACT (green)—Blinks when there is Ethernet traffic being received
LEDs
■ See Monitoring Ethernet Interfaces in JUNOSe Physical Layer Configuration Guide,
Chapter 5, Configuring Ethernet Interfaces. Alarms, errors, and events
Table 2: SX Fiber Optic Cabling
Maximum Operating Range (meters) Minimal Modal Bandwidth at
850 nm (MHz*km) Fiber Type
220 (656.17 ft) 160 62.5 microns
275 (902.23 ft) 200
500 (1640.42 ft) 400 50 microns
550 (1804.46 ft) 500
Table 3: LX Fiber Optic Cabling
Maximum Operating Range
(kilometers) Nominal Wavelength (nm) Fiber Type
10 (6.2 miles) 1310 9 microns
Table 4: LX40 Fiber Optic Cabling
Maximum Operating Range
(kilometers) Nominal Wavelength (nm) Fiber Type
40 (24.85 miles) 1310 9 microns
20 ■ GE-4 IOA
E320 8.1.x Module Guide