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Installation
Installation of the FH100TX8 or FH100TX16 hub consists of the following
steps:
❏ Plan your 100Base-TX network.
❏ Review cabling and voltage requirements.
❏ Connect your hub to network devices.
❏ Mount the hub in an equipment rack or prepare it for desktop
placement.
Planning 100Base-TX Networks
100Base-TX networks need to be planned out slightly different from 10Base-
T networks because new hubs and new wiring configurations are necessary.
Follow the guidelines below when planning your 100Base-TX network con-
figuration:
❏ 100Base-TX supports a maximum cable length (distance from a
network station to the hub) of 100 meters.
❏ The total network diameter (the maximum cable distance
between any two stations on the network) is 205 meters.
❏ Because 100Base-TX sends signals 10-times faster than 10Base-T,
the collision window (the time during which the network can
detect a collision between packets) is reduced to one-tenth the
duration of the 10Base-T collision window, making the maxi-
mum network diameter smaller.
❏ Only two hubs can be cascaded together (in a repeater envi-
ronment, 100Base-TX allows only a single layer of cascaded
hubs). See Figure 2-1.