Lenovo ThinkSystem NE1072T, Product Manual

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The network cables that can be used with the switch are listed in the following table.
Table 5. NE1072T RackSwitch network cabling requirements
Transceiver Standard Cable Connector
40 Gb Ethernet
40Gb SR QSFP+ BiDi
(00YL631)
40GBASE-SR
BiDi Up to 30 m with fiber optic cables supplied by Lenovo
(see Table 4); up to 100 m with OM3 or up to 150 m
with OM4 multimode fiber optic cable LC
40Gb SR4 QSFP+
(49Y7884) 40GBASE-SR4 10 m or 30 m MPO fiber optic cables supplied by
Lenovo (see Table 4); support for up to 100 m with OM3
or up to 150 m with OM4 multimode fiber optic cable
MPO
40Gb iSR4 QSFP+
(00D9865) 40GBASE-SR4 10 m or 30 m MPO fiber optic cables or MPO-4xLC
breakout cables up to 5 m supplied by Lenovo (see
Table 4); support for up to 100 m with OM3 or up to 150
m with OM4 multimode fiber optic cable
MPO
40Gb eSR4 QSFP+
(00FE325) 40GBASE-SR4 10 m or 30 m MPO fiber optic cables or MPO-4xLC
breakout cables up to 5 m supplied by Lenovo (see
Table 4); support for up to 300 m with OM3 or up to
400 m with OM4 multimode fiber optic cable
MPO
40Gb LR4 QSFP+
(00D6222) 40GBASE-LR4 1310 nm single-mode fiber optic cable up to 10 km LC
Active optical cable 40GBASE-SR4 QSFP+ to QSFP+ active optical cables up to 20 m;
QSFP+ to 4x SFP+ active optical break-out cables up to
5 m for 4x 10 GbE SFP+ connections out of a 40 GbE
port (see Table 4)
QSFP+
Direct attach copper
cable 40GBASE-CR4 QSFP+ to QSFP+ DAC cables up to 7 m; QSFP+ to
4x SFP+ DAC break-out cables up to 5 m for 4x 10 GbE
SFP+ connections out of a 40 GbE port (see Table 4)
QSFP+
10 Gb Ethernet
Fixed 10 Gb ports
10GBASE-T UTP Category 6a or 7 up to 100 meters RJ-45
Management ports
1 GbE management port
1000BASE-T UTP Category 5, 5E, and 6 up to 100 meters RJ-45
Serial port RS-232 DB-9/RJ-45-to-Mini-USB (comes with the switch) Mini-USB
Lenovo ThinkSystem NE1072T RackSwitch 9