Models and specifications, Qsfp+ cable, Qsfp+ to sfp+ cable – H3C Technologies H3C S12500 Series Switches User Manual
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Models and specifications
Table 25 Specifications for QSFP+ transceiver modules that use LC connectors
Model
Central
wavelength
(nm)
Fiber
mode
Fiber
diameter
(μm)
Transmission
distance
Optical parameters
Transmit
power
Receive
power
QSFP-40G-LR4-
WDM1300
Four lanes:
•
1271
•
1291
•
1311
•
1331
SMF 9/125
10 km (6.21
miles)
–7 dBm to
+2.3 dBm
–13.7 dBm to
+2.3 dBm
QSFP+ cable
Figure 20 QSFP+ cable
(1) Plug (2) Pull latch
Models and specifications
Table 26 Specifications for QSFP+ cables
Model Length Data
rate
Type
Remarks
LSWM1QSTK0
1 m (3.28 ft)
40 Gbps
QSFP+ cable
Used for interconnecting
40-Gigabit QSFP+ ports
LSWM1QSTK1
3 m (9.84 ft)
LSWM1QSTK2
5 m (16.40 ft)
QSFP+ to SFP+ cable
One end of a QSFP+ to SFP+ cable provides a QSFP+ module, and the other end provides four SFP+
modules.