Allied-telesis AT-MR904TX Manual do Utilizador descarregar pdf (Página 14)

Rear Panel Description

The rear panel consists of the following components:

❑ DC power socket

❑ Four shielded RJ45 connectors

❑ Uplink MDI/MDI-X slide switch

❑ Stack ID switch

Figure 3: Rear Panel

Uplink Port. You can use any of the shielded RJ45 connectors to connect to a

100Base-TX node using Category 5 S/UTP cabling. The uplink port provides

cascading capabilities to a second AT-MR904TX 100Base-TX Fast Ethernet

hub.

DC Power Socket. The DC power socket accepts DC power input from a

+12V power adapter. The 4-port hub includes an internal switching power

supply and can accept a wide range DC power input which offers more

reliability.

STACK ID Switch. Set the STACK ID switch to 1 for the first Base hub. Set

the second stackable hub switch to 2.

Cabling Requirements

To operate your network reliably at 100Mbps, you must use Category 5 S/UTP

or higher data grade wire, with a 100 meter maximum length.

12VDC

STACK ID

MDI-X

4X 3X 2X 1

MDI

MR904C1Book Page 4 Tuesday, September 2, 1997 10:28 AM

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Allied-telesis AT-MR904TX Manual do Utilizador Página 14