Техническое Руководство для Cisco FASTHUB 412 12 PORT 10/100 STACKABLE
Overview 1-5
LEDs and Modes
The 10/100 ports (ports 1x through 12x or 1x through 24x) are internally crossed. These
ports require a crossover cable to connect to another hub or switch (unless you are
connecting to the uplink port on another FastHub or device). When connecting to a
workstation, server, or router, these ports require a straight-through cable.
ports require a crossover cable to connect to another hub or switch (unless you are
connecting to the uplink port on another FastHub or device). When connecting to a
workstation, server, or router, these ports require a straight-through cable.
The 10/100 uplink port (port 12 or 24) is not internally crossed and requires a
straight-through cable to connect to a server, hub, switch, or router.
straight-through cable to connect to a server, hub, switch, or router.
Caution
If you connect to ports 12x and 12 (or ports 24x and 24), you will disable both
ports.
For more information on connecting to these ports, see the “Connecting to the 10/100
Network Ports and Uplink Port” section on page 2-18.
Network Ports and Uplink Port” section on page 2-18.
LEDs and Modes
You can use the LEDs to monitor hub activity and performance by using the Mode button
and selecting the modes in which the port LEDs operate (Figure 1-3).
and selecting the modes in which the port LEDs operate (Figure 1-3).
Figure 1-3
LEDs and Mode Button
System status LED
1x
2x
3x
4x
Port LEDs
Redundant
power system LED
Mode
button
Activity/collision LEDs
Port mode LEDs
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