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Fast EtherHub-12se User’s Guide
2-2 Installing the System
model you purchased) to connect any compatible network device to the TX/RX
jacks on the fiber optic port.
Note: The EH3012-TF-SC provides an SC-type fiber connector.
The EH3012-TF-ST provides an ST-type fiber connector.
Making RJ-45 Connections
1. Prepare category 5 straight-through twisted-pair cable (100W) with RJ-45
plugs at both ends.
2. If you are making a connection to a server or workstation (i.e., a dedicated
connection to an end-node device), be sure that it has a properly installed
100BASE-TX network interface card. Attach one end of the cable to an
MDI-X station port on the hub and the other end to the RJ-45 port of the
device’s network interface card.
If you are connecting to a network interconnection device, attach one end of
the cable to Port 12 on the hub (and set the switch to
MDI crossover mode,
see Fig. 4-1) and the other end to an
MDI-X station port on the other device
(or vice versa). When cascading to devices other than this hub, please refer
to the accompanying documentation for restrictions on cascade size and
cable length
I
Do not plug a phone jack connector into the RJ-45 port. This may damage the hub.
Instead, use only twisted-pair cables with RJ-45 connectors that conform to FCC
standards.
Making Fiber Optic Connections
1. Prepare a fiber optic cable with the required connector types (i.e., SC or ST)
at both ends.
2. If you are making a connection to a server or workstation, be sure it that has
a properly installed 100BASE-FX network interface card. Connect the
RX/TX jacks on the target device to the TX/RX jacks on the hub.