3Com 3C16755-US User Guide - Page 15

Making the Connection to Another Hub, Checking Hub Connections, Spot Checks

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Making the Connection to Another Hub You can connect a 10BASE-T, 100BASE-TX, or another 10/100BASE-TX OfficeConnect hub to any port on the Dual Speed Hub. Use the following method: 1 Using a straight-through cable, connect the Uplink/Normal port of the Dual Speed Hub to any of the ports on the other hub (as shown in Figure 5). If using an Uplink/Normal port on the other hub, set its Uplink/Normal switch to Normal (out). 2 Set the Uplink/Normal switch for the Uplink/Normal port on the Dual Speed Hub to Uplink (in). Checking Hub Connections When you have connected all the appropriate workstations and other equipment to the Hub, power on the Hub. For each port with a connection, a Port Status LED should be on. If the port is operating at 100Mbps, the LEDs light green. If the port is operating at 10Mpbs, the LEDs light yellow. If neither LED is on, check your connections. Spot Checks At frequent intervals, visually check that: s Case vents are not obstructed. s Cabling is secure and not pulled taut. Figure 5 Correct Connections for OfficeConnect Hubs 15

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15
Making the Connection to Another Hub
You can connect a 10BASE-T, 100BASE-TX, or another
10/100BASE-TX OfficeConnect hub to any port on the Dual
Speed Hub. Use the following method:
1
Using a straight-through cable, connect the
Uplink/Normal port of the Dual Speed Hub to any of the
ports on the other hub (as shown in Figure 5). If using an
Uplink/Normal port on the other hub, set its
Uplink/Normal switch to Normal (out).
2
Set the Uplink/Normal switch for the Uplink/Normal port
on the Dual Speed Hub to Uplink (in).
Checking Hub Connections
When you have connected all the appropriate workstations
and other equipment to the Hub, power on the Hub. For
each port with a connection, a Port Status LED should be
on. If the port is operating at 100Mbps, the LEDs light
green. If the port is operating at 10Mpbs, the LEDs light
yellow. If neither LED is on, check your connections.
Spot Checks
At frequent intervals, visually check that:
■
Case vents are not obstructed.
■
Cabling is secure and not pulled taut.
Figure 5
Correct Connections for OfficeConnect Hubs