Nortel Networks 302403-G manual 450-1LR and 450-1LX MDA description

Models: 302403-G

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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.

2

PHY

Phy status LEDs (green):

 

(or)

 

 

Phy Select

 

 

 

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).

 

 

 

21

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Nortel Networks 302403-G manual 450-1LR and 450-1LX MDA description