2 100base-tx/10base-t pin assignments – Planet Technology WGSW-2620P User Manual

Page 131

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Cable

Type

Max. Length

Connector

10BASE-T

Cat. 3, 4, 5100-ohm

UTP 100 m (328 ft)

RJ-45

100BASE-TX

Cat. 5 100-ohm UTP

100 m (328 ft)

RJ-45

100BASE-FX

50/125 or 62.5/125 micron
core multimode fiber (MMF)

2 km (1.24 miles)

SC or ST

6.2 100BASE-TX/10BASE-T Pin Assignments

With 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting data, and pins 3 and 6 for

receiving data.

RJ-45 Pin Assignments

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.

All ports on this switch support automatic MDI/MDI-X operation, you can use straight-through cables for

all network connections to PCs or servers, or to other switches or hubs. In straight-through cable, pins 1,

2, 3, and 6, at one end of the cable, are connected straight through to pins 1, 2, 3 and 6 at the other end

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

Pin 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-)

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