D-Link DE-816TAC - Hub - Stackable Guia do Utilizador descarregar pdf (Página 40)

Dual-Speed Stackable Hubs User’s Guide

Making Connections28

DEVICE PORT

USED

DEVICE BEING

CONNECTED

PORT

TYPE

CABL

E TO USE

Hub or

Normal Crossover (X)

Normal

Switch

Uplink Straight-Through (||)

Hub

Server (or PC) Straight-Through (||)

Hub or

Normal Straight-Through (||)

Uplink

Switch

Uplink Crossover (X)

Server (or PC) Crossover (X)

A crossover cable is a twisted-pair cable in which the wires have been

crossed. The figure below shows the pin assignments for an Ethernet or Fast

Ethernet crossover cable:

NOTE:

The port 1

jack shares its circuitry with the

Uplink

jack. If you connect a hub to the

Uplink

jack, you cannot plug anything into the

jack. And the reverse is also true; if any-

thing is plugged into the

jack, the

Uplink

jack cannot be used.

When uplinking two dual-speed or Fast Ethernet hubs or hub stacks in this

fashion, the maximum distance between any two end-stations in a collision

domain is 205 meters. If the length of the longest hub to end-station connec-

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 146 147

Sem comentários

D-Link DE-816TAC - Hub - Stackable Guia do Utilizador Página 40