GarrettCom TF14 - Manual (Page 46)

Magnum “14” 10Mb Media Converters Installation and User Guide (04/01)
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4.5 Up-Link (Cross-over) Switch
When set to the UP position (=), the Magnum
Media Converter is wired for normal twisted-pair connection
to a user node device. When set to the DOWN position (X),
the Media Converter is wired with cross-over functionality
for direct up-link to a network hub or concentrator. Switch
ports may be of either polarity, and this feature is most
convenient with switches.
4.6 Full- and half-duplex transparent operation for fiber models
All the TF14-series operate in transparent half-and full-duplex mode. For half-
duplex traffic, the TF14-series work correctly but do not detect or indicate collisions.
See Section 2.5 for more details and applications information.
End view, TP port
Up-link
Switch
up-link (X)
user device (=)