Juniper BTI7800 Series - Page 169

Table 67: QSFP28 100GE LR4: QSFP-100G-LR4-2 (740-074685) (continued)
UnitsMaximumTypicalMinimumParameter
IEEE 802.3Compliance
Table 68: QSFP28 100GE Ethernet/OTN LR4: QSFP-100G-LR4-D (740-073859)
UnitsMaximumTypicalMinimumParameter
Gbps25.78125 +/- 100 ppm100GBASESignaling
speed per
lane
Gbps27.952493OTN
––4–Number of lanes
nm1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
Lane center wavelengths (range)
Transmitter
dBm4.5–-4.3100GBASEAverage
launch
power per
lane
dBm4–-0.6OTN
dB––4100GBASEExtinction
ratio
dB6.5–4OTN
dB20––Optical return loss tolerance
Receiver
dBm4.5–-10.6100GBASEAverage
receive
power per
lane
dBm4–-6.9OTN
dBm-8.6––Receiver sensitivity (OMA) per lane
dBm-6.8––Stressed receiver sensitivity (OMA)
per lane
dB-26––Reflectance
Other
169Copyright © 2019, Juniper Networks, Inc.
Chapter 6: BTI7800 Series Transceiver Specifications