GarrettCom Quad Manual De Usuario

Magnum Quad-Series Fiber Switches 

Installation and User Guide (06/03) 

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In a fiber quad-port module, all of the fiber ports are of the same speed, the 

same multi- or single-mode, and the same connector type.  Multi-mode 100Mbps models 

are available with ST, SC, MTRJ, and VF-45 connectors.  Single-mode 100Mbps models 

are available with SC connectors.  

The 100Mb fiber quad-port modules on the Magnum Q-Series normally are set 

(factory default) to operate in full-duplex mode for best fiber distance and performance. 

On the Magnum Q-Series, the user may select full- or half-duplex mode per-port with an 

internal jumper setting (See Section 3.4) for the flexibility to adapt to any type of Fast 

Ethernet devices.  

On Magnum fiber QPMs, there are three LED’s per fiber port.  The Link (LK) 

LED indicates “ready for operation” when lit, another LED indicates operation in full-

duplex mode when ON (when it is OFF, operation is half-duplex), and an LED indicates 

Receiving Activity (ACT) on the port. A fiber cable must be connected to each 100Mb 

port and a proper link (LK lit) must be made with the device at the other end of the cable 

in order for the LK LEDs to provide valid indications of operating conditions.   

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The 10 Mb model QPM10-MST 

fiber quad-port module is the same as the 

100Mb QPM-MST, except for 10 Mb speed 

 

 

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