B-5
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
OL-23069-07
Appendix B Transceivers and Module Connectors
40-Gigabit QSFP Transceivers
Figure B-3
QSFP Transceiver
1
Optical bore
2
Pull tab
Table B-7
Cable Specifications for the 40-Gigabit QSFP Transceivers
Transceiver
Cable Type
Connector
Type
Wavelength
(nm)
Core Size
(microns)
Modal
Bandwidth
(MHz-km)
Maximum Cable
Distance
QSFP-40G-SR4
MMF
PC or UPC
850
50.0
50.0
50.0
500 (OM2)
2000 (OM3)
4700 (OM4)
98.4 feet (30 meters)
328.1 feet (100 meters)(
492.1 feet (150 meters)
QSFP-40G-LR4
SMF
Duplex LC
1310
G.652
—
6.1 miles (10 km)
Table B-8
CFP Transceiver Optical Transmit and Receive Specifications
Product Number
Transceiver Type
Transmit Power (dBm)
Receive Power (dBm)
Transmit and
Receive
Wavelength (nm)
QSFP-40G-SR4
MPO/MTP multifiber
–1.0 (maximum per lane)
–7.6 (minimum per lane)
2.4 (maximum per line)
–9.5 (minimum per line)
840 to 860
QSFP-40G-LR4
2.3 (maximum per lane)
–7.0 (minimum per lane)
2.3 (maximum per lane)
–13.7 (minimum per
lane)
Four lanes:
1271 nm,
1291 nm,
1311 nm, and
1331 nm
Table B-9
Environmental and Power Specifications for CFP Transceivers
Parameter
Specification
Storage temperature
–40 to 185°F (–40 to 85°C)
Operating temperature
32 to 104°F (0 to 40°C)
Summary of Contents for Nexus 7004
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