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Table 10 describes the 450-1LR MDA and the 450-1LX MDA

front-panel components.

Table 10 450-1LR and 450-1LX 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 (see

“1000BASE-LX Multimode Applications” on

page 30 for special requirements).

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 33 34

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Bay Networks 302403-B Manuale di Servizio Pagina 23