Allied-telesis AT-MC102XLPCI Manual do Utilizador descarregar pdf (Página 39)

AT-MC102XLPCI 100Mbps Media Converter Installation Guide

RJ-45 Twisted-

Pair Port Pinouts

Figure 13 illustrates the pin layout to an RJ-45 connector and port.

Figure 13. RJ-45 Connector and Port Pin Layout

Table 6 lists the MDI and MDI-X RJ-45 pin signals with a twisted-pair port.

Fiber Optic Port Specifications

The cable requirements of the fiber port are given in Table 7.

The fiber optic specifications are given in the following tables:

❒ Table 8, “Fiber Optic Launch Power” on page 40.

❒ Table 9, “Fiber Optic Receive Power” on page 40.

❒ Table 10, “Fiber Optic Cable Distance” on page 40.

❒ Table 11, “Fiber Optic Loss Specifications” on page 41.

Table 6. RJ-45 Pin Signals for MDI and MDI-X

Pin MDI Signal MDI-X Signal

1TX+RX+

2TX-RX-

3RX+TX+

6RX-TX-

Table 7. Fiber Optic Cable Loss Budget

Type of Fiber Optic Cable

Maximum

Operating

Distance

Maximum

Allowable Loss

Budget

50/125 or 62.5/125 micron

multimode

2 km (1.2

mi)

13 dB at 1310

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Allied-telesis AT-MC102XLPCI Manual do Utilizador Página 39