Nortel Networks 10BASE-T Manual de usuario descargar pdf (Pagina 291)

100

101

Media Dependent Adapters

309985-C Rev 00

B-5

Both models conform to the IEEE 802.3u 100BASE-FX standard and can be used

to attach fiber-based 100 Mb/s connections to other compatible Fast Ethernet

devices. Single-mode fiber cable is not supported.

Table B-2

describes the 100BASE-FX components and LEDs.

For installation instructions, see “

Installing an MDA” on page B-6.

Table B-2. 100BASE-FX MDA Components

Item Label Description

1 Link Communications link LEDs (green):

On: Valid communications link established.

Off: The communications link connection is bad or there is no connection to this

port.

Blinking: The corresponding port is management disabled.

2 F Dx Full-duplex port status LEDs (green):

On: The corresponding port is in full-duplex mode.

Off: The corresponding port is in half-duplex mode.

3 Activity Port activity LEDs (green):

Blinking: Indicates the network activity level for the corresponding port. A high

level of network activity can cause LEDs to appear to be on continuously.

4 100BASE-FX port connectors:

• Model 400-2FX uses SC connectors.

• Model 400-4FX uses MT-RJ connectors.

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