Allied Telesis AT-IFS802SPOE Manuale Utente

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AT-IFS802SP/POE(W)-80 User Manual

The UTP/STP ports will automatically sense for Fast Ethernet (10Base-T/100Base-TX connections), 

•

or  Gigabit  Ethernet  (10Base-T/100Base-TX/1000Base-T  connections). Auto  MDI/MDIX  means 
that the switch can connect to another switch or workstation without changing straight through 
or crossover cabling. See the figures below for straight through and crossover cable schematic.

With10/100BASE-TX  cable,  pins  1  and  2  are  used  for  transmitting  data,  and  pins  3  and  6  for 
receiving data.

Pin Number

Assignment

1

Tx+

2

Tx-

3

Rx+

6

Rx-

[note]

“+” and “-” signs represent the polarity of the wires that make up each wire pair.

Pin Number

MDI-X Signal Name

MDI Signal Name

1

Receive Data plus (RD+)

Transmit Data plus (TD+)

2

Receive Data minus (RD-)

Transmit Data minus (TD-)

3

Transmit Data plus (TD+)

Receive Data plus (RD+)

6

Transmit Data minus (TD-)

Receive Data minus (RD-)

The table below shows the 10/100BASE-TX MDI and MDI-X port pin outs.