QSFP Optical Transceivers
Specifications
Parameter Value Notes
Tx optical power (per lane)
l Minimum: –6.5 dBm
l Maximum: +2.5 dBm
Rxoptical power (per lane)
l Minimum:–11.5 dBm
l Maximum:+2.5 dBm
Supported data rates
l 103.125 Gb/s (100
GbE)
Electrical interface
l CAUI4 (28) for an
aggregate 100 GbE
service in
accordance with
IEEE 802.3ba/bm
l Control/
management
interface: I
2
C
Optical lane center wavelength
l Lane 1: 1271 nm
l Lane 2: 1291 nm
l Lane 3:1311 nm
l Lane 4: 1331 nm
Maximum link distance 2 km In accordance with
IEEE 802.3bm
Optical Modulation Amplitude
Tx power (per lane)
l Minimum: –4 dBm
l Maximum: +2.5 dBm
Optical Modulation Amplitude
Rx power (per lane)
l Minimum: –8.1 dBm
l Maximum: +2.5 dBm
Receiver sensitivity
OMA per lane
Maximum total average Tx
power
+8.5 dBm
Maximum laser off mode per
optical lane Tx power
–30 dBm
Power measurement accuracy ±3 dB
OPRmeasurement range –14.5 dBm to +5.5 dBm
Table 77: Specifications — QSFP28/103G/CWDM4/SM/LC
l Overview
l Features
l MTBF Hours for HDEquipment
l Pluggable Transceiver Compatibility
FSP 3000R7 High-Density Subshelf Guide - R17.2 - Issue:B 144