Allied-telesis AT 8000/8POE User Manual download pdf (Page 65)

AT-S81 Management Software User’s Guide

Section I: Using the Menus Interface 65

Setting a Port’s Speed and Duplex Mode

To change a port’s speed or duplex mode, perform the following

procedure:

1. From the Main Menu, type B to select Basic Switch Configuration.

The Basic Switch Configuration Menu is shown in Figure 4 on page

32.

2. From the Basic Switch Configuration Menu, type P to select Port

Configuration.

The Port Configuration Menu is shown in Figure 17 on page 62.

3. Type M to select Set Mode.

The following prompt is displayed:

Set Mode -> Enter port number >

4. Enter the number of the port whose speed or duplex mode you want to

change. You can configure only one port at a time.

The following prompt is displayed:

Enter new mode for port

(a/h/H/F/f/t/T)>

5. Enter the letter that corresponds to the desired speed and duplex

mode setting for the port. The port settings are:

a - Auto: The port uses Auto-Negotiation to set its speed and duplex

mode. This is the default setting for all ports.

h - 10 Mbps, half-duplex

H - 100 Mbps, half-duplex

f - 10 Mbps, full-duplex

F - 100 Mbps, full-duplex

When you select a setting, note the following:

 When a twisted pair port on the switch is set to Auto-

Negotiation, the default setting, the end node should

also be using Auto-Negotiation to prevent a duplex

mode mismatch. A switch port using Auto-Negotiation

defaults to half-duplex if it detects that the end node is

not using Auto-Negotiation. This can result in a

mismatch if the end node is operating at a fixed duplex

mode of full-duplex. To avoid this problem when

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Allied-telesis AT 8000/8POE User Manual Page 65