Installation Guide
QX-S6600 Series Ethernet Switches
10-9
Transceiver module
model
Central wavelength
(nm)
Connector
Fiber diameter
(µm)
Max transmission
distance
40GBASE-LR4-QSFP+
1271/L0
1291/L1
1311/L2
1331/L3
LC
Single-mode,
9/125µm
10 km
Table 10-9
40G QSFP+ cables available for the QX-S6600 Series
Cable model
Cable description
Cable length
CAB-3M-QSFP+
40G QSFP+ Copper Cable(DAC)
3 m
CAB-3M-QSFP+/4SFP+ 40G QSFP+/10G*4 SFP+ Copper Cable(DAC)
3 m
NOTE:
40GBASE-LR4-QSFP+ operates by after software including Version 7.1.12.
To guarantee the functionality of the QSFP+ ports, use only NEC QSFP+ transceiver modules and cables.
The QSFP+ transceiver modules and cables available for this switch series are subject to change over time.
For the most up-to-date list of SFP transceiver modules, consult your NEC sales representative or technical
support engineer.
A 40G QSFP+/10G*4 SFP+ Copper cable can mount only the QSFP+ connector side to QSFP+ port.
Figure 10-5
40G QSFP+ Copper cable
1
2
(1) Connector
(2) Pull latch