Allied-telesis AT-FS202SC/FS4 Manual do Utilizador descarregar pdf (Página 30)

Table 10 Fiber Optic Loss Specification (Benchmark)

Pinout Assignments

Figure 1 shows the pin assignments of the RJ-45 connector.

Figure 1 RJ-45 Pin Assignments

Table 5 lists the 10/100Base-TX connector pins and their signals when the port

is operating in either MDI or MDI-X configuration.

Table 11 RJ-45 Pinouts

Fiber Type

1. MMF = Multimode Fiber / SMF = Single-mode Fiber.

Fiber Optic

Diameter

Optical

Frequency

Typical Loss

Factor

Worst Case

Loss Factor

Bandwidth

MMF 50/125

microns

1310 nm 1.00 dB/km 1.50 dB/km 400 Mhz-km

62.5/125

microns

1310 nm 1.00 dB/km 1.50 dB/km 500 Mhz-km

SMF 9/125

microns

1310 nm 0.40 dB/km 1.00 dB/km Not

applicable

SMF 9/125 1550 nm 0.30 dB/km 0.75 dB/km Not

applicable

MDI-X (Default) Signal MDI Signal

1 RX+ 1 TX+

2 RX- 2 TX-

3TX+3 RX+

4- 4 -

5- 5 -

6TX-6 RX-

7- 7 -

8- 8 -

Pin 1 Pin 8

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 41 42

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