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Table 67: QSFP28 100GE LR4: QSFP-100G-LR4-2 (740-074685) (continued)
Units
Maximum
Typical
Minimum
Parameter
IEEE 802.3
Compliance
Table 68: QSFP28 100GE Ethernet/OTN LR4: QSFP-100G-LR4-D (740-073859)
Units
Maximum
Typical
Minimum
Parameter
Gbps
25.78125 +/- 100 ppm
100GBASE
Signaling
speed per
lane
Gbps
27.952493
OTN
–
–
4
–
Number of lanes
nm
1294.53 – 1296.59
1299.02 – 1301.09
1303.54 – 1305.63
1308.09 – 1310.19
Lane center wavelengths (range)
Transmitter
dBm
4.5
–
-4.3
100GBASE
Average
launch
power per
lane
dBm
4
–
-0.6
OTN
dB
–
–
4
100GBASE
Extinction
ratio
dB
6.5
–
4
OTN
dB
20
–
–
Optical return loss tolerance
Receiver
dBm
4.5
–
-10.6
100GBASE
Average
receive
power per
lane
dBm
4
–
-6.9
OTN
dBm
-8.6
–
–
Receiver sensitivity (OMA) per lane
dBm
-6.8
–
–
Stressed receiver sensitivity (OMA)
per lane
dB
-26
–
–
Reflectance
Other
169
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Chapter 6: BTI7800 Series Transceiver Specifications
Содержание BT8A78CH1
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