Allied-telesis AT-MCF2012LC/1 Bedienungsanleitung PDF herunterladen (Seite 36)

Chapter 1: Overview

Mode Selection Button

The Mode Selection button shown in Figure 8 serves two

purposes. One is to set the operating mode of a channel.

The three operating modes are described in “Channel

Operating Modes” on page 31. The other is to view the

duplex mode and collisions on the ports of a channel with

the CDC and FDC LEDs, explained in “CDC and FDC

Duplex Mode and Collision LEDs” on page 28,

Figure 8. Mode Selection Button

Before you can set the operating mode of a channel or view

the duplex mode and collisions on the ports of a channel,

you must first select the channel. You accomplish this by

turning the Mode Selection button up or down to toggle

through the channels. Channel selection is indicated by the

CH LEDs beneath the fiber optic ports. You can select only

one channel at a time.

After you have selected a channel, the duplex mode setting

and collisions on the two ports of the selected channel are

immediately reflected on the CDC and FDC LEDs.

To set the operating mode of a channel, press the middle of

the button to toggle the channel between Link Test (LT),

MissingLink (ML), and Smart MissingLink (SML). The

operating mode of a channel is reflected by the LT, ML, and

CH1

CH2

CH3

CH4

CH5

CH6

CH7

CH8

CH9

CH10

CH11

CH12

TX RX

TX RX2

CDC FDC

LT M L SML

LA1

LA2

AT-MCF2012LC

CLASS 1

LED PRODUCT

TX RX2

CDC

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 63 64

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