Cisco Nexus 7000 Hardware Installation And Reference Manual page 405

Appendix B Transceivers and Module Connectors
Figure B-3
1
Table B-7 Cable Specifications for the 40-Gigabit QSFP Transceivers
Transceiver
QSFP-40G-SR4
QSFP-40G-LR4
Table B-8 CFP Transceiver Optical Transmit and Receive Specifications
Product Number
QSFP-40G-SR4
QSFP-40G-LR4
Table B-9
Parameter
Storage temperature
Operating temperature
OL-23069-07
QSFP Transceiver
Optical bore
Connector
Cable Type Type
MMF PC or UPC 850
SMF Duplex LC
Transceiver Type Transmit Power (dBm)
MPO/MTP multifiber –1.0 (maximum per lane)
–7.6 (minimum per lane)
2.3 (maximum per lane)
–7.0 (minimum per lane)
Environmental and Power Specifications for CFP Transceivers
Specification
–40 to 185°F (–40 to 85°C)
32 to 104°F (0 to 40°C)
2 Pull tab
Modal
Wavelength Core Size Bandwidth
(nm) (microns) (MHz-km)
50.0 500 (OM2)
50.0 2000 (OM3)
50.0 4700 (OM4)
1310 G.652 —
Receive Power (dBm)
2.4 (maximum per line)
–9.5 (minimum per line)
2.3 (maximum per lane)
–13.7 (minimum per
lane)
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
40-Gigabit QSFP Transceivers
Maximum Cable
Distance
98.4 feet (30 meters)
328.1 feet (100 meters)(
492.1 feet (150 meters)
6.1 miles (10 km)
Transmit and
Receive
Wavelength (nm)
840 to 860
Four lanes:
1271 nm,
1291 nm,
1311 nm, and
1331 nm
B-5