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Auto-Negotiation
The 100Base-TX ports participate in IEEE 802.3u Standard auto-negotiation
with its local link partner.
Note
End stations used with the media converter must operate in the same
duplex mode (either both full-duplex or both half-duplex).
Note
The media converters have an additional feature, allowing the unit to
operate in 100 Mbps half-duplex mode. Certain applications require this
mode, for example, two media converters installed in a back-to-back
configuration (fiber-to-fiber) which are attached to unmanaged repeaters
and/or switches that auto-negotiates with the other. For instructions on
how to set up the media converter for this application, contact Allied
Telesyn Technical Support.
MissingLink
MissingLink gives the host (router, server, switch) attached to each end of the
converter critical information about the status of the other (remote) segment
link. If either link fails, the converter interacts with both hosts, making each
instantly aware of the link fault. Either host can then execute
preprogrammed, redundant transmission path selection.
External AC-DC Power Adapter
An external AC-to-DC power adapter is included with the fast switch for
standalone operation (see Figure 5). The power adapter supplies 12 volts DC
to the media converter. Allied Telesyn supplies an approved safety compliant
AC power adapter for the 120 and 240 V AC versions with an unregulated
output of 12 V DC at 1 A. The power required for the media converter is 12 V
DC, 500 mA.
Figure 5
External AC-DC Power Adapter (North American version)