Chapter 1: Overview
6
Key Features
The media converters have the following key features:
LEDs for unit and port status
100Base-TX twisted pair port (all models except AT-MC104xx Series)
100Base-FX fiber optic port(s)
Auto MDI-MDI/X
Half- or full-duplex operation with Auto-Negotiation function
Link Test/MissingLink
TM
button for performing a link test or activating
the MissingLink feature which notifies end-nodes of connection
failures
External AC/DC power adapter
Standard size for use in an AT-MCR12 chassis, AT-WLMT-10 bracket,
or AT-TRAY4 tray
Status LEDs
Figure 3 defines the media converter’s LEDs.
1 This LED does not apply to the AT-MC104xx models.
Table 3. Status LEDs
LED State Color Description
PWR ON Green Power is applied to the media
converter.
FDX
1
ON Green The port is operating in full-duplex
mode.
OFF The port is operating in half-duplex
mode.
LINK ON Green A link has been established on the port.
ACT ON Green Network traffic is being received on the
port.
M/L ON ON Green The MissingLink feature is activated on
the media converter.
OFF The MissingLink feature is disabled and
the media converter is operating in the
link test mode.
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