Media Dependent Adapters
309978-D Rev 01 C-11
For installation instructions, see “Installing an MDA” on page C-17.
Table C-4. 1000BASE-LX 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 status LEDs (green):
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 C-22 for special requirements).
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