Netgear ADSL Firewall Router DG834 Uživatelský manuál stáhnout pdf (Strana 165)

Reference Manual for the ADSL Firewall Router DG834

Network and Routing Basics B-13

202-10005-05, June 2005

Figure B-2: Crossover Twisted-Pair Cable

Figure B-3: Category 5 UTP Cable with Male RJ-45 Plug at Each End

Note: Flat “silver satin” telephone cable may have the same RJ-45 plug. However, using telephone

cable results in excessive collisions, causing the attached port to be partitioned or disconnected

from the network.

Uplink Switches, Crossover Cables, and MDI/MDIX Switching

In the wiring table above, the concept of transmit and receive are from the perspective of the PC,

which is wired as Media Dependant Interface (MDI). In this wiring, the PC transmits on pins 1 and

2. At the hub, the perspective is reversed, and the hub receives on pins 1 and 2. This wiring is

referred to as Media Dependant Interface - Crossover (MDI-X).

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Netgear ADSL Firewall Router DG834 Uživatelský manuál Strana 165