Connectors and LEDs
Figure 5 shows the front panel of the Flex System EN6131 40Gb Ethernet Switch.
Figure 5. Front panel of the Flex System EN6131 40Gb Ethernet Switch
The front panel contains the following components:
LEDs that display the status of the module and the network:
Green power LED indicates that the module passed the power-on self-test (POST) with no
critical faults and is operational.
Identify LED: This blue LED can be used to identify the module physically by illuminating it
through the management software.
The fault LED (switch error) indicates that the module failed the POST or detected an
Eighteen external QSFP+ ports for 10 Gbps, 20 Gbps, or 40 Gbps connections to the external
An Ethernet physical link LED and an Ethernet Tx/Rx LED for each external port on the module.
One mini-USB RS-232 console port that provides an additional means to configure the switch
module. This mini-USB-style connector enables the connection of a special serial cable (the cable is
optional, and it is not included with the switch. See the "Part number information" section for
Network cabling requirements
The network cables that can be used with the EN6131 40Gb Ethernet Switch are shown in Table 6.
Table 6. EN6131 40Gb Ethernet Switch network cabling requirements
40 Gb Ethernet
Direct attach cable
External 1 GbE
Lenovo Flex System EN6131 40Gb Ethernet Switch
Lenovo 10 m or 30 m MTP fiber optics cables (see Table 2);
support for up to 100 m with OM3 multimode fiber or up to 150
m with OM4 multimode fiber
Lenovo QSFP+ to QSFP+ DAC cables up to 7 m (see Table 2)
UTP Category 5, 5E, and 6 up to 100 meters
DB-9-to-mini-USB or RJ-45-to-mini-USB console cable (comes
with optional Management Serial Access Cable, 90Y9338)