Black Box LBH240A Manual De Usuario

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Black Box
®
 Heavy Duty Edge Switches       Installation and User Guide(07/05) 
 
49
distance for unshielded twisted pair cabling is 100 meters (328 ft). For fiber port 10BASE-
FL or 100BASE-FX multi-mode, 50/125 or 62.5/125 microns cabling can be used, whereas 
for single-mode, 9/125 microns cabling should be used. Fiber cabling supports much longer 
cable distance and higher bandwidths as compared to copper wiring. 
Media 
               
IEEE Standard          Connector  
Twisted Pair (CAT 3 or 5)                  10BASE-T                  RJ-45 
          
Twisted Pair (CAT 5)  
 100BASE-TX                RJ-45            
Fiber (Multi-mode) 
 100BASE-FX  
ST, SC 
Fiber (Single-mode) 
 100BASE-FX  
SC, LC 
Fiber (Multi-mode) 
 100BASE-FX  
MTRJ 
NOTE :   It is recommended that high quality CAT. 5 cables (which work for both 10 Mbps 
and 100Mbps) be used whenever possible in order to provide flexibility in a 
mixed-speed network, since LBHXXX-series switch ports are auto-sensing for 
either 10 and 100Mbps.  Note that the auto-cross function does not operate, if the 
port is fixed or not supporting auto-negotiation.