Install The Sfp Modules And Connect To The Ports - Cisco ME 3400 Getting Started Manual

The automatic medium-dependent interface crossover (auto-MDIX) feature is enabled by
Note
default on switches running Cisco IOS Release 12.2(18)SE or later. When the auto-MDIX
feature is enabled, the switch detects the required cable type for copper Ethernet connections
and configures the interfaces accordingly. Therefore, you can use either a crossover or a
straight-through cable for connections to a copper 10/100, 10/100/1000, or 1000BASE-T SFP
module port on the switch, regardless of the type of device on the other end of the connection.

Install the SFP Modules and Connect to the Ports

Caution To prevent damage to the SFP module, make sure that you verify the proper orientation
of the module by consulting the module documentation before you install it.
Follow these steps:
Grasp the SFP module on the sides,
Step 1
and insert it into the switch slot until
you feel the connector snap into
place.
Step 2 Insert an appropriate cable into the
SFP module port. Insert the other
cable end into the other device.
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