Nortel Networks Installing Media Dependent Adapters Uživatelský manuál stáhnout pdf (Strana 25)

Table 9 describes the 450-1SR MDA and the

450-1SX MDA front-panel components.

Table 9. 450-1SR / 450-1SX 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.

2Phy

(or)

Phy Select

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 1000BASE-X SC port connectors.

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 43 44

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Nortel Networks Installing Media Dependent Adapters Uživatelský manuál Strana 25