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Table 6. 1000BASE-LX 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 25 for special requirements).
302403-C.mkr Page 21 Monday, May 24, 1999 4:30 PM