15
Port Status LED flashing.
 The port is partitioned, probably 
due to a network loop. Examine your connections and 
remove the loop. Each piece of equipment needs only one 
connection to your Hub.
Link between the Hub and another OfficeConnect hub 
not working.
 Check your connections; follow the 
information given in the “Connecting Another 
OfficeConnect Hub” section on page 11. It is likely that an 
Uplink/Normal switch is incorrectly set.
Port Status LED not lit for a port that has a 
connection.
 Check that you are using a ‘straight-through’ 
cable which is properly connected at both ends, and is not 
damaged. Refer to “Twisted Pair (TP) Cables” on page 8. 
Also check that the equipment connected to the Hub is 
powered on, operating correctly and contains the correct 
type of connection. Refer to Figure 6 to compare the wiring 
of a straight-through and a crossover cable.
Figure 6   
Straight-through Cable/Crossover Cable