Troubleshooting – Cont. | 
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SYMPTOMS | 
  | CAUSES  | SOLUTIONS  | |
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  | ∙ The cables are not  | ∙ Securely reconnect all  | ||
  | securely fastened.  | cables.  | ||
  | ∙ There is a another slave  | ∙ Do not cascade a 3rd level  | ||
  | cascaded to the first slave.  | slave to a 2nd level slave.  | ||
  | ∙ The slave has more ports  | Only one slave per port  | ||
  | than the master.  | can be cascaded from the  | ||
  | ∙ The slave is cascaded  | master.  | ||
Cannot switch to | from a port other than 1~8  | ∙ Reconfgure the  | ||
of the master.  | installation so that the  | |||
computers located on  | 
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  | master always has an  | |
a slave. | 
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  | equal number or more  | |
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  | ports than the slave.  | |
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  | ∙ Cascade a slave only  | |
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  | from ports 1~8 of the  | |
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  | master.  | |
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  | ∙ Verify that the OSD menu  | |
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  | on the master shows a  | |
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  | triangle mark next to the  | |
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  | port that is cascaded.  | |
The switch  | ∙ Insufficient power being  | ∙ Connect a 9V DC 500mA  | ||
occassionally and  | supplied by the connected  | power adapter  | ||
irregularly  | computers will result in  | (Part #:   | ||
power starvation to the  | switch.  | |||
experiences various  | switch.  | 
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malfunctions.  | 
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