8-7
QSFP+
transceiver
module
Central
wavelength
(nm)
Connector
Fiber type and
diameter (µm)
Modal
bandwidth
(MHz × km)
Max
transmission
distance
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-BI
DI-SR-MM850
Two lanes:
•
850.
•
900.
LC
Multi-mode,
50/125
2000
100 m (328.08 ft)
4700
150 m (492.12 ft)
Table 8-9 QSFP+ cables available for the QSFP+ ports
QSFP+ cable
Max transmission distance
LSWM1QSTK0
1 m (3.28 ft)
LSWM1QSTK1
3 m (9.84 ft)
LSWM1QSTK2
5 m (16.40 ft)
Table 8-10 QSFP+ to SFP+ cables available for the QSFP+ ports
QSFP+ to SFP+ cable
Max transmission distance
LSWM1QSTK3
1 m (3.28 ft)
LSWM1QSTK4
3 m (9.84 ft)
LSWM1QSTK5
5 m (16.40 ft)
Figure 8-3 40G QSFP+ cable
(1) QSFP+ module
(2) Pull latch
