GarrettCom Quad Manual De Usuario

Magnum Quad-Series Fiber Switches 

Installation and User Guide (06/03) 

not operate correctly  with full-duplex or half-duplex. Examples include hubs that 

support only half-duplex by default.  

 

 

If auto-negotiation will not function properly in your setup, internal 

jumpers allow the speed and mode of the Q-Series RJ-45 (copper) quad-ports to be fixed, 

even if the attached device may or may not  support auto-negotiation.  This is desirable 

when there are unknown devices presently or potentially connected, which will not 

operate correctly  with auto-negotiation. Examples include some NICs and most Media 

Converters 

The factory (default) setting is for half-duplex on all fiber 10Mbps 

ports, which is generally popular. HDX works well under most circumstances. If half-

duplex  on 10Mbps will not function properly in your setup, internal jumpers allow the 

duplex mode of the Q-Series fiber quad- ports to be changed, even if the attached device 

supports full-duplex.  This is desirable when there are devices connected which will not 

operate correctly  with half-duplex. Examples include Switches that support full-duplex 

only.  

Therefore, the default setting of half-duplex ( fiber ports) is generally desirable 

because it is widely used and allows for the connection of various devices without re-

configuration.(where the connected device is half duplex and does not support full-

duplex i.e. Hub and media-converters.) 

Note: For 10Mbps fiber ports, the user can set the jumpers either at full-duplex or half 

 

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