Lenovo Flex System EN4023 Produkthandbuch - Seite 16
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Connectors and LEDs
The following figure shows the front panel of the EN4023 10Gb Scalable Switch.
Figure 5. Front panel of the Lenovo Flex System EN4023 10Gb Scalable Switch
The front panel contains the following components:
Light-emitting diodes (LEDs) that display the status of the interconnect module and the network:
The OK LED indicates that the interconnect module passed the power-on self-test (POST) with no
critical faults and is operational.
Identify: This blue LED can be used to identify the module physically by illuminating it through the
management software.
The error LED (switch module error) indicates that the module failed the POST or detected an
operational fault.
One mini-USB RS-232 console port that provides an additional means to configure the interconnect
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 interconnect module. For more information, see the "Part number
information" section.)
One 1 Gb Ethernet RJ-45 port for switch configuration and management.
Fourteen external SFP+ ports for 1/10 Gb connections to external Ethernet devices. Upgrade 3 enables
support for Flex Ports, allowing FCoE traffic and support for 8/16 Gb FC optical transceivers for FC SAN
connectivity.
Two external QSFP+ port connectors to attach QSFP+ modules for a single 40 Gb uplink per port.
Upgrade 3 enables support for FCoE traffic.
An Ethernet link OK LED and an Ethernet Tx/Rx LED for each external port on the interconnect module.
Network cabling requirements
Lenovo Flex System EN4023 10Gb Scalable Switch
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