Nortel Networks Installing Media Dependent Adapters Manuale Utente Scaricare il pdf (Pagina 36)

34

Table 12 describes the 450-1GBIC MDA front-panel

components.

Table 12. 450-1GBIC MDA Description

Item Label Description

1 Link Communication link LEDs (green):

On: Valid communications link.

Off: The communications link

connection is bad or there is no

connection to this port.

Blinking: The corresponding port is

management disabled.

2 Phy Phy status LEDs (green):

On: The corresponding Phy port is

active.

Off: The corresponding Phy port is in

backup mode or there is no connection

to this port.

3 Activity Port activity LEDs (green):

Blinking: Indicates network activity

level for the corresponding port. A high

level of network activity can cause

LEDs to appear to be on continuously.

4 GBIC Host port (see “Installing GBICs” on

page 38).

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