Table 52: Optical Interface Support for 40-Gigabit QSFP+ Transceivers in EX9200 Switches
ValueSpecificationEthernet Standard
QFX-QSFP-40GE-SR4, QSFP+-40G-SR4, or
QSFP+-4X10G-SR
Model number40GBASE-SR4
40 Gbps (10 Gbps per lane)Rate
12-ribbon multimode fiber crossover cable with female
MTP connectors
Connector type
12Fiber count
850 nmTransmitter wavelength
–7.6 dBmMinimum launch power
2.4 dBmMaximum launch power
– 5.4 dBmMaximum receiver sensitivity
4 dBmMaximum input power
MMFFiber type
50/125
µm
50/125
µm
Core/Cladding size
OM4OM3Fiber grade
4700
MHz/km
2000
MHz/km
Modal bandwidth
150 m (492 ft)100 m (328 ft)Distance
AvailableDOM support
Junos OS for EX Series switches, Release 12.3R2 or
later
Software required
125Copyright © 2017, Juniper Networks, Inc.
Chapter 8: Transceiver and Cable Specifications