Table 65: QSFP+ 40GE SR4: QSFPP-40GBASE-SR4 (740-067443) (continued)
UnitsMaximumTypicalMinimumParameter
IEEE 802.3Compliance
Table 66: QSFP+ 40GE LR4: QSFPP-40GBASE-LR4 (740-073093 740-043308)
UnitsMaximumTypicalMinimumParameter
Gbps10.3125 +/- 100 ppmSignaling speed per lane
––4–Number of lanes
nm1277.5
1297.5
1317.5
1337.5
–1264.5
1284.5
1304.5
1324.5
Lane center wavelength
Transmitter
dBm2.3–-7Average launch power per lane
dB––3.5Extinction ratio
dB20––Optical return loss tolerance
Receiver
dBm2.3–-13.7Average receive power per lane
dBm-9.6––Stressed receiver sensitivity (OMA)
per lane
dB-26––Reflectance
Other
SMFFiber type
m10000–2Reach
LCConnector/Latch type
Maximum: 3.5 WPower consumption
IEEE 802.3Compliance
167Copyright © 2019, Juniper Networks, Inc.
Chapter 6: BTI7800 Series Transceiver Specifications
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