B&B Electronics 850-18610 - Manual - Manual (Page 11)

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If the twisted pair port on the other device does not have the ability to Auto
Negotiate or if the 100 Mbps half-duplex connection is desired, then Auto
Negotiation must be disabled. Half- and full-duplex settings must be set
manually to match the connected devices.
The following diagram shows a typical application and with three possible
configurations.
End-to-End
Connection
Switch TX/FX
Half-Duplex Configure HDX manually Auto Negotiation is OFF
Full-Duplex Configure FDX manually Auto Negotiation is OFF
Full-Duplex Auto Negotiation is ON Auto Negotiation is ON
Configure Auto Negotiation on an IE-iMcV-2xLIM, TX/SFP by adjusting the DIP
Switch setting (for unmanaged modules) or via the management software. Refer
to the DIP Switch table for switch location and settings.
AutoCross Feature for Twisted Pair Connection
All twisted pair ports on the IE-iMcV-2xLIM, TX/SFP includes AutoCross, a feature
that automatically selects between a crossover workstation and a straight-
through connection depending on the connected device.
Disable TX Port (DIS-TX)
The TX DISABLE (DIS) LED is OFF by default. To disable the port and stop
transmission of data, this can be set through iView² management or by setting
DIP Switch #5 or #10 OFF (dependent on whether the selection is for Port A or
Port B).