D-Link DFE-854 - Transceiver - External User Manual page 14

Connections
This section describes the general connection schemes for both
transceivers.
DFE-853
The DFE-853 Fast Ethernet transceiver can be used for making MII
to RJ-45 connections. The following figure shows in the foreground
a 10BASE-T/100BASE-TX TP cable connected to the transceiver.
The transceiver's MII connector is attached to an MII host device
such as a hub or a switch.
DFE
-854
The DFE-854 Fiber Optic Fast Ethernet transceiver can be used for
making connections between an MII port and fiber optic network
cable. The figure below shows in the foreground a fiber cable
connected to the transceiver. The transceiver's MII connector is
attached to an MII host device such as a hub or a switch.