Juniper EX4300 Hardware Guide

Table 72: Optical Interface Support for QSFP+ Transceivers
ValueSpecification
Ethernet
Standard
QFX-QSFP-40G-SR4Model number40GBASE-SR4
40 GbpsRate
12-ribbon multimode fiber crossover cable with female MTP connectorsConnector type
12Fiber count
850 nmTransmitter wavelength
–7.6 dBm (per lane)Minimum launch power
2.4 dBm (per lane)Maximum launch power
–5.4 dBm (per lane)Maximum stressed receiver
sensitivity in OMA
4 dBmMaximum input power
MMFFiber type
50/125 µm50/125 µmCore/Cladding size
OM4OM3Fiber grade
4700 MHz/km2000 MHz/kmModal bandwidth
150 m (492 ft)100 m (328 ft)Distance
AvailableDOM support
YesVirtual Chassis port
(VCP)-configurable
•
EX4300-24T, EX4300-24P, EX4300-48T, EX4300-48T-AFI,
EX4300-48P, EX4300-48T-DC, and EX4300-48T-DC-AFI
switches—Junos OS for EX Series switches, Release 13.2X50-D10 or
later
•
EX4300-32F switches—Junos OS for EX Series switches, Release
13.2X51-D15 or later
•
EX4300-24T-S, EX4300-24P-S, EX4300-32F-S, EX4300-48T-S, and
EX4300-48P-S switches—Junos OS for EX Series switches, Release
13.2X51-D26 or later
Software required
129Copyright © 2017, Juniper Networks, Inc.
Chapter 8: Transceiver and Cable Specifications

Juniper EX4300 Specifications

General

Model	EX4300
Virtual Chassis	Yes, up to 10 members
Layer 3 Routing	Yes
10GBASE SFP+ Ports	4
Jumbo Frames	9216 bytes
MAC Address Table Size	32, 000
Operating System	Junos OS
Uplink Ports	4 x 10GBASE SFP+
Power Supply	AC or DC options
Operating Temperature	0°C to 45°C (32°F to 113°F)
Input Voltage	100-240V AC
Operating Relative Humidity	5 to 90% RH, non-condensing
Management Options	CLI, Web UI, Junos Space
Redundancy	Yes, power supply and fans
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Ports	24 or 48