2
QSFP+ transceiver module
Central wavelength
(nm)
Connector
QSFP-40G-LR4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
QSFP-40G-LR4L-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
Table 2 QSFP+ transceiver modules available for the QSFP+
ports (2)
QSFP+
transceiver
module
Cable/fiber
diameter
(µm)
Modal
bandwidth
(MHz × km)
Max
transmission
distance
QSFP-40G-SR4
-MM850
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.12 ft)
QSFP-40G-CSR
4-MM850
Multi-mode,
50/125
2000
300 m (984.25 ft)
4700
400 m (1312.33
ft)
QSFP-40G-LR4
-WDM1300
Single-mode,
9/125
N/A
10 km (6.21
miles)
QSFP-40G-LR4
L-WDM1300
Single-mode,
9/125
N/A
2 km (1.24 miles)