Hot Swapping SFP transceivers. Supported SFP transceivers that you can install in your Hewlett Packard
Enterprise OfficeConnect switch can be “hot swapped”. "Hot swapping" means supported transceivers can be
removed and installed while the switch is receiving power. Disconnect the network cables from the SFP
transceivers before hot-swapping them.
When you replace an SFP transceiver with another of a different type, the switch may retain selected port-
specific configuration settings that were configured for the replaced unit. Be sure to validate or reconfigure
port settings as required.
SFP Connections to Devices with Fixed Speed/Duplex Configurations. When connecting a device to
your switch port that contains an SFP transceiver, the speed and duplex settings of the switch port and the
connected device must match. If the settings do not match, the device may not link properly—you may not get
a link. For some older network devices, including some older Hewlett Packard Enterprise devices, the default
speed/duplex settings may be predefined. (For example, a setting might be 1000 Mbps/Full Duplex.) There
may also be other settings that differ from the default configuration of your switch port. Because of these
default speed/duplex considerations, make sure that devices connected to your SFP ports are properly
configured. At a minimum, make sure the configurations match.
HPE OfficeConnect 1820 Switch Series 9
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