Allied-telesis AT-FS217 Manual do Utilizador descarregar pdf (Página 32)

Technical Specifications

Table 8 Fiber Optic Loss Specification (Benchmarks)

Pinout Assignments

Figure 7 shows the pin assignments of the RJ-45 connector.

Figure 7 RJ-45 Pin Assignments

Table 9 lists the 100Base-TX connector pins and their signals when the port is

operating in either MDI or MDI-X configuration.

Table 9 RJ-45 Pin Signals

Fiber Type

Fiber Optic

Diameter

Optical

Frequency

Typical

Loss Factor

Worst Case

Loss Factor

Bandwidth

Multimode

Fiber

50/125 1310 nm 1.00 db/km 1.50 db/km 400

62.5/125 1310 nm 1.00 db/km 1.5 db/km 500

Single-mode 9/125 nm 1310 nm 0.40 db/km 1.00 db/km N/A

9/125 nm 1550 nm 0.30 db/km 0.75 db/km N/A

MDI-X (Default) Signal MDI Signal

1RX+1 TX+

2RX-2 TX-

3 TX+ 3 RX+

4- 4 -

5- 5 -

6 TX- 6 RX-

7- 7 -

8- 8 -

Pin 1 Pin 8

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 45 46

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