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Installing and Starting Up the Hub 2-19
Connecting to the 10/100 Network Ports and Uplink Port
• Connecting to devices that do notautonegotiate or that have their speed settingmanually
set can reduce performance or result in no link. To maximize performance, choose one
of these methods for configuring the 10/100 ports:
— Let both ports autonegotiate port speed.
— Manually set the same speed setting for the ports on both ends of the connection.
• When a 10/100 device connected to the hub changes speeds (from 10 to 100 Mbps or
from 100 to 10 Mbps), the device must reboot. The device then drops the link to the hub
and recreates the link after rebooting. (If the device does not reboot after changing
speeds, the hub does not detect the change in speed.)
Caution If you connect to ports 12x and 12 (or ports 24x and 24), you will disable both
ports.
Follow these steps to connect to 10BaseT or 100BaseTX devices:
Step 1 Connect one end of the Ethernet cable to a 10/100 port on the hub, as shown in
Figure 2-9.
Note When connecting the hub to workstations, servers, and routers, ensure
that the cable is a straight-through, twisted-pair cable. When connecting the hub
to switches or repeaters, use a crossover cable.
Figure 2-9 Connecting to a 10/100 Port
14514
RPS
MODE
1x 2x 3x 4x 5x 6x 7x 8x
24
9x 10x 11x 12x 13x 14x 15x 16x
17x 18x 19x 20x 22x 23x 24x
21x
10BaseT/100BaseTx
Category 5 cable
(not supplied)