Specifications

Installation and Startup 2-23

Connecting to the Switched 10BaseT Ports

You can connect the 10BaseT ports (1x through 12x or 1x through 24x) to

10BaseT-compatible network devices, such as workstations, hubs, servers, routers, and

other switches. All connections between the switch and the attached device(s) must be

within 100 meters.

You must provide the Category 3, 4, or 5 cable(s) to connect any of these ports to the other

10BaseT device(s). Because these ports are internally crossed, they require a crossover

cable to connect to hubs or other switches. When connecting to workstations, servers, or

routers, these ports require a straight-through cable.

Note Always observe these general rules when connecting devices: Use a straight-through

cable to connect two ports when one of the ports is designated with an X. Use a crossover

cable to connect two ports when both ports are designated with an X.

The default duplex mode of these ports is half duplex. To change the duplex mode of these

ports to full duplex, use the switch manager, management console, or SNMP. (See the

“Changing the Port Settings” section on page 3-15 or the “Port Conﬁguration Menu”

section on page 4-44.)

Note For information about using the Half-duplex back pressure option on the 10-Mbps

ports, see the “Half-Duplex Back Pressure on 10-Mbps Ports” section on page 3-75 or the

“System Conﬁguration Menu” section on page 4-11.

To connect a switch 10BaseT port to another 10BaseT device, follow these steps:

Step 1 Connect one end of the Category 3, 4, or 5 cable to the 10BaseT port on the

switch. Figure 2-12 shows a Category 3, 4, or 5 cable being connected to one of

the 10BaseT ports on a Catalyst 1924 switch.

Note When connecting the switch to workstations, servers, and routers, ensure

that the cable is a straight-through, twisted-pair cable. When connecting the

switch to other switches or hubs, use a crossover cable.