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Table 68: QSFP28 100GE Ethernet/OTN LR4: QSFP-100G-LR4-D (740-073859) (continued)
Units
Maximum
Typical
Minimum
Parameter
SMF
Fiber type
m
10000
–
2
Reach
LC/UPC
Connector/Latch type
Maximum: 3.5W
Power consumption
IEEE 802.3
Compliance
Table 69: QSFP28 100GE SR4: QSFP-100GBASE-SR4 (740-058734)
Units
Maximum
Typical
Minimum
Parameter
Gbps
25.78125 +/- 100 ppm
Signaling speed per lane
–
–
4
–
Number of lanes
nm
860
–
840
Lane center wavelengths (range)
Transmitter
dBm
2.4
–
-8.4
Average launch power per lane
dB
–
–
2
Extinction ratio
dB
12
–
–
Optical return loss tolerance
Receiver
dBm
2.4
–
-10.3
Average receive power per lane
dBm
-5.2
–
–
Stressed receiver sensitivity (OMA)
per lane
dB
-12
–
–
Reflectance
Other
MMF
FIber type
m
70 (OM3)
100 (OM4)
–
0.5
Reach
MTP/PC
Connector/Latch type
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