Allied-telesis AT-MR820TR Manuel d'utilisateur télécharger pdf (Page 37)

Chapter 3

Connectivity

Four Media Connectors

This repeater has four types of ports and media connectors:

❑ AC input power connector

❑ 10Base5 (AUI) network backbone port

❑ 10Base2 (BNC) network backbone port

❑ Four/Eight STP/UTP 10Base-T (RJ45) ports

These four types of connecting media are described in the following

sections.

AC Power Connector

While it is common to use dedicated power circuits or power

conditioners to supply power to network devices, the source must be

able to provide AC power at 100-120 VAC, 0.5A, and/or 200-240VAC,

0.25A, and 60/50 Hz (for North American models). This aids in isolating

the network equipment from electrical power “noise.”

The AC power connector is located on the back panel and provides

connectivity for an internal power supply. It accepts 100-120 or

200-240 VAC from the rear IEC power entry port. The three-pin power

receptacle, shown in Figure 8, requires a three-pin male connector.

MRx20TR(STP/UTP)_BookA Page 15 Thursday, April 3, 1997 5:24 PM

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Allied-telesis AT-MR820TR Manuel d'utilisateur Page 37