Allied-telesis AT-MC14 Bedienungsanleitung PDF herunterladen (Seite 13)

AT-MC13 and AT-MC14 Installation Guide

Fiber Optic Port

The 10Base-F port on the AT-MC13 and AT-MC14 media converters have

either an SC or ST connector designed to operate with multimode fiber optic

cabling. This port has a maximum operating distance of 2 kilometers (1.2

miles) using 62.5/125 micron multimode fiber optic cable.

Status LEDs

Table 2 lists the status LEDs for the AT-MC13 and AT-MC14 media

converters.

MDI/MDI-X Switch

An RJ-45 port on a 10 Mbps Ethernet network device can have one of two

possible wiring configurations: MDI or MDI-X. The RJ-45 port on a PC, router

or bridge is typically wired as MDI, while the twisted pair port on a switch or

hub is usually MDI-X.

To connect two 10 Mbps network devices together that have dissimilar port

wiring configurations, such as MDI to MDI-X, you use a straight-through cable.

To connect two network devices that have RJ-45 ports with the same wiring

configuration, such as MDI to MDI, you use a crossover cable.

The RJ-45 port on the AT-MC13 and AT-MC14 media converters feature an

MDI/MDI-X switch. You can use this switch to configure the twisted pair port

on the media converter as either MDI or MDI-X, thus eliminating the need for

a crossover cable regardless of the type of network device you are connecting to

the unit.

Table 2 Status LEDs for the Media Converters

LED Color Description

PWR Green Power is applied to the media converter.

LNK Green A link has been established on the port.

REC Green Data is being received.

NML Green

OFF

The MissingLink feature is activated and the media converter is

functioning in normal operating mode.

The MissingLink feature is disabled and the media converter is

performing a link test.

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