Installation Instructions

Table 34: 40GBASE-SR4 4x10GBASE-SR extended reach specifications
Parameter Specification
Line rate 10.3125 Gbps
Center wavelength range 840 to 860 nanometers
Distance Up to:
• up to 984 feet (300 meters) – with OM3
fiber cable.
• up to 1312 feet (400 meters) – with OM4
fiber cable.
Transmitter characteristics
Signaling rate, each lane 10.3125 Gbps
RMS spectral width 0.40 nanometers maximum
Average launch power, each lane Min Max Units
–7.5 0 dBm
Optical modulation amplitude (OMA),
each lane
Min Max Units
–5.6 3 dBm
Maximum transmitter and dispersion penalty (TDP), each lane 3.9 dB
Minimum launch power in OMA minus TDP, each lane –7.8 dBm
Minimum extinction ratio 3 dB
Maximum optical return loss tolerance 12 dB
Receiver characteristics
Signaling rate, each lane 10.3125 Gbps
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.
QSFP+ transceiver specifications
May 2017 Installing Transceivers and Optical Components on VOSS 65
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