GarrettCom Magnum ST80 Manual De Usuario

Stackable Personal Hubs 

 Installation and User Guide   (04/01)

 
 

16

 

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Switchable Up-Link Feature  

 

Each Stackable Personal Hub is equipped with an  up-link switch, connected to 

port 8 (right-most RJ-45 port).  This switch is used to select either a normal 10BASE-T 

connection to a user device (switch in the “==” position) or a 10BASE-T network up-link 

connection to another hub or concentrator (switch in the “X” position). A special 

crossover cable for up-link is not needed with the Stackable Personal Hub because of this 

built-in up-link switch feature. 

 

When port 8 

is wired for up-link but 

the switch is set to the 

“==” position, the up-

link connection is 

inoperative and full 

bandwidth is available locally. 

 

When increased network capacity is needed, up to five ST80 Personal Hubs 

may be easily stacked to form a single logical repeater of up to 40 RJ-45 ports.   

 

 

 

NOTE:   Be sure to secure the units with the stacking/mounting brackets 

 

before making the following electrical connections.  The brackets 

cannot be 

 

installed while the connector cables are in place.  Refer to Section 3.3 for 

 

stacking bracket installation instructions.