Juniper QFX Series User Manual

Table 39 on page 128 describes interface support for 40-Gigabit Ethernet QSFP+
transceivers.
Table 39: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers in QFX3000 QFabric
Systems
Specifications
Ethernet
Standard
QFX-QSFP-40GE-SR4Model number40GBASE-SR
40 GbpsRate
12-ribbon multimode fiber with MTP connector (Rx and Tx)Connector type
12Fiber count
850 nmTransmitter wavelength
–7.6 dBm (per lane)Minimum launch power
2.4 dBm (per lane)Maximum launch power
–5.4 dBmMaximum receiver sensitivity
4 dBmMaximum input power
AvailableDOM support
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
Related
Documentation
• 16-Port QSFP+ Front Cards in a QFX3008-I Interconnect Device on page 48
• Rear Panel of a QFX3500 Device on page 66
• Installing a Transceiver in a QFX Series Device on page 374
• Removing a Transceiver from a QFX Series Device on page 373
Copyright © 2012, Juniper Networks, Inc.128
QFX3000 Hardware Documentation

Juniper QFX Series Specifications

General

Brand	Juniper
Model	QFX Series
Category	Switch
Language	English