Cisco QSFP-H40G-CU5M Installation Note page 4

Overview
Table 2
Table 2 QSFP+ Transceiver Port Cabling Specifications
QSFP+ Product Number
QSFP-40G-SR4=
QSFP-40G-CSR4=
QSFP-40GE-LR4=
Table 3
Table 3 QSFP+ Transceiver Optical Transmit and Receive Specifications
QSFP+ Product Number
QSFP-40G-SR4=
QSFP-40G-CSR4=
QSFP-40GE-LR4=
Cisco 40-Gigabit QSFP+ Transceiver Modules Installation Note
4
lists the 40-Gigabit optical QSFP+ port cabling specifications.
Nominal Cable Type
Wavelength
(nm)
850 MMF
850 MMF
1310 SMF
lists the QSFP+ transceiver modules optical transmit and receive specifications.
Transceiver Operating Mode
40GBASE-SR4, 4 lanes, 850 nm
40GBASE-CSR4, 4 lanes, 850 nm
40GBASE-LR4, 1310 nm
Core Size Modal
(microns) Bandwidth
(MHz/km)
50.0 500 (OM2)
50.0 2000 (OM3)
50.0 4700 (OM4)
62.5 200 (OM1)
50.0 500 (OM2)
50.0 2000 (OM3)
50.0 4700 (OM4)
G.652 —
Transmit Power Receive Power
(dBm) (dBm)
-1 per lane 2.4 per lane
(Max) (Max)
–9.5 per lane
–7.6 per lane
(Min)
(Min)
-1.2 per lane -1 per lane
(Max) (Max)
-7.3 per lane -9.9 per lane
(Min) (Min)
2.3 per lane 2.3 per lane
(Max) (Max)
-7 per lane -13.7 per lane
(Min) (Min)
Maximum Cabling Distance
30 m (98 ft)
100 m (328 ft)
150 m (492 ft)
33 m (108 ft)
82 m (269 ft)
300 m (984 ft)
400 m (1312 ft)
10 km (6.2 miles)
Transmit and
Receive
Wavelength (nm)
Four lanes, 840 to
860
Four lanes, 840 to
860
Four lanes, 1271,
1291, 1311, 1331
OL-24862-01