QSFP+
transceiver
module
Central
wavelength
(nm)
Connector
Fiber type and
diameter (µm)
Modal
bandwidth
(MHz × km)
Max
transmission
distance
QSFP-40G-S
R4-MM850
850
MPO
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.13 ft)
QSFP-40G-C
SR4-MM850
850
MPO
Multi-mode,
50/125
2000
300 m (984.25 ft)
4700
400 m (1312.34 ft)
QSFP-40G-BI
DI-SR-MM850
Two lanes:
•
850
•
900
LC
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.13 ft)
QSFP-40G-BI
DI-WDM850
Four lanes:
•
850
•
880
•
910
•
940
LC
Multi-mode,
50/125
2000
240 m (787.40 ft)
4700
350 m (1148.29 ft)
QSFP-40G-LR
4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
Single-mode,
9/125
N/A
10 km (6.21 miles)
QSFP-40G-LR
4L-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
Single-mode,
9/125
N/A
2 km (1.24 miles)
QSFP-40G-E
R4-WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
LC
Single-mode,
9/125
N/A
40 km (24.86
miles)
Table4-14 40G QSFP+ copper cables available for the QSFP+ ports
QSFP+ copper cable
Max transmission distance
LSWM1QSTK0
1 m (3.28 ft)
LSWM1QSTK1
3 m (9.84 ft)
LSWM1QSTK2
5 m (16.40 ft)
Table4-15 40G QSFP+ fiber cables available for the QSFP+ ports
QSFP+ fiber cable
Max transmission distance
QSFP-40G-D-AOC-3M
3 m (9.84 ft)
QSFP-40G-D-AOC-7M
7 m (22.97 ft)
QSFP-40G-D-AOC-10M
10 m (32.81 ft)
QSFP-40G-D-AOC-20M
20 m (65.62 ft)