QSFP Optical Transceivers
Specifications
Parameter Value Notes
Tx optical power (per lane)
l Minimum: –4.3 dBm
l Maximum: +4.5 dBm
Rxoptical power (per lane)
l Minimum:–10.6 dBm
l Maximum:+4.5 dBm
Supported data rates
l 103.125 Gb/s (100GE)
l 111.81 Gb/s (OTU4)
l 112.2 Gb/s (128G FC)
Electrical interface
l CAUI4 (28) for an
aggregate 100 GbE
service in
accordance with
IEEE 802.3ba/bm
l OTL4.4 for an
aggregate OTU4
service in
accordance with
ITU-T G.709
l Control/
management
interface: I
2
C
Optical lane center wavelength
l Lane 1: 1295.56 nm
l Lane 2: 1300.05 nm
l Lane 3:1304.58 nm
l Lane 4: 1309.14 nm
Maximum link distance 10 km In accordance with
IEEE 802.3ba
Clause88.7
Optical Modulation Amplitude
Tx power (per lane)
l Minimum: –1.3 dBm
l Maximum: +4.5 dBm
Optical Modulation Amplitude
Rx power (per lane)
l Minimum: –8.6 dBm
l Maximum: +4.5 dBm
Receiver sensitivity
OMA per lane
Maximum total average Tx
power
+10.5 dBm
Maximum laser off mode per
optical lane Tx power
–30 dBm
Power measurement accuracy ±3 dB
OPRmeasurement range –13.6 dBm to +7.5 dBm
Table 87: Specifications — QSFP28/112G/LR4/SM/LC
FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B 156