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Table 3 – Nortel Networks 302403-B User Manual

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Table 3.

1000BASE-SX MDA Components

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

(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-FX SC port connectors.

302403-B.mkr Page 12 Friday, January 15, 1999 2:56 PM