Installation Instructions

Parameter Specification
Average receive power, each lane Min Max Units
–9.9 2.4 dBm
Receive power in OMA, each lane Min Max Units
–7.5 3 dBm
Maximum receive sensitivity (OMA) — –11.1 dBm
Maximum receive reflectance — –12.0 dBM
Stressed receive sensitivity (OMA) –7.5 dBm
Receive optical input power (damage threshold per lane) 3.4 dBm
40GBASE-LR4 QSFP+ transceiver specifications
The 40GBASE-LR4 QSFP+ transceiver can attain link lengths of up to 10 kilometers on
International Telecommunication Union (ITU) recommendation G.652 single-mode fiber (SMF)
cable.
The following table lists the transmitter and receiver specifications for the 40GBASE-LR4
transceiver. The part number of this QSFP+ transceiver is AA1404001-E6.
For more information about the 40GBASE-LR4 transceiver, including test and measurement
information, see the IEEE 802.3–2012 standard.
Table 23: IEEE 802.3–2012 40GBASE-LR4 transceiver specifications
Parameter
Specification
Distance Up to 10 kilometers
Transmitter characteristics
Line rate 10 Gbps
Signaling rate, each lane 10GBase 10.3125 Gbps
Data rate, total 40GBase 41.25 Gbps
Lane wavelength ranges 1264.5 nanometers to 1277.5 nanometers
1284.5 nanometers to 1297.5 nanometers
1304.5 nanometers to 1317.5 nanometers
1324.5 nanometers to 1337.5 nanometers
Total average optical power 8.3 dBm
Minimum average optical power, each lane at 10.3125
Gbps.
–7 dBm
Maximum average optical power, each lane at 10.3125
Gbps.
2.3 dBm
Difference in optical power between any two lanes 6.5 dB
Minimum side mode suppression ratio 30 dB
Minimum optical modulation amplitude –4 dBm
QSFP+
May 2018 Installing Transceivers and Optical Components on VOSS 58