Table 39: Interface Support for 40-Gigabit Ethernet QSFP+ Transceivers for the QFX
Series (continued)
Specifications
Standards
Compliance
QFX-QSFP-40G-SR4Product SKU number40GBASE-SR4
QFX3008-I
QFX3500
QFX3600
QFX3600-I
QFX5100-24Q
QFX5100-48S
QFX5100-48T
QFX5100-96S
Supported models
10.3125 GBd +/- 100 ppmSignaling rate
12-ribbon multimode fiber crossover cable with female multi-fiber
push-on (MPO)/ultra-physical contact (UPC) connectors. To
channelize a 40-Gigabit port to four 10-Gigabit ports, use a 12-fiber
parallel to 2-fiber duplex breakout cable.
NOTE: See“Cable Specifications for QSFP+ and QSFP28 Transceivers”
on page 147 for more information.
Connector type
4Fiber pairs
840 nm to 860 nmCenter wavelength (range)
0.65 nmRMS spectral width
(maximum)
-7.6 dBmAverage transmit launch
power, each lane (minimum)
2.4 dBmAverage transmit launch
power, each lane (maximum)
-9.5 dBmAverage receive power, each
lane (minimum)
2.4 dBmAverage receive power, each
lane (maximum)
-5.4 dBmStressed receiver sensitivity
(OMA), each lane
(maximum)
115Copyright © 2016, Juniper Networks, Inc.
Chapter 8: Port and Interface Specifications