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5
QSFP+ transceiver module
Central
wavelength (nm)
Connector
QSFP-40G-BIDI-SR-MM850 850 LC
QSFP-40G-LR4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
QSFP-40G-LR4L-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
Table 6 QSFP+ transceiver modules available for the QSFP28
ports (2)
QSFP+
transceiver
module
Cable/fiber
diameter
(µm)
Modal
bandwidth
(MHz × km)
Max transmission
distance
QSFP-40G-SR
4-MM850
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.12 ft)
QSFP-40G-CS
R4-MM850
Multi-mode,
50/125
2000
300 m (984.25 ft)
4700
400 m (1312.33 ft)
QSFP-40G-LR
4-PSM1310
Single-mode,
9/125
N/A
10 km (6.21 miles)
QSFP-40G-BID
I-SR-MM850
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.12 ft)
QSFP-40G-LR
4-WDM1300
Single-mode,
9/125
N/A
10 km (6.21 miles)