ZyXEL Communications GS-1524 User Manual

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GS-1524/GS-1548 User’s Guide
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 14 
Cable Diagnostics
This chapter explains the Cable Diagnostics screen.
14.1  Diagnostics Overview 
The cable diagnostics function works with systems using CAT-5 twisted-pair cables. 
The Switch can perform basic cable diagnostics. Click Cable Diagnostic in the navigation 
panel to view the screen as shown.
Figure 50   Cable Diagnostic 
The following table describes the labels in this screen. 
Table 28   Cable Diagnostic 
LABEL
DESCRIPTION
Port to diagnose
Select the port you want to test.
Apply
Click this to perform cable testing on the specified port.
Diagnostic for Port 
01:
This field displays the number of wired pairs the port is communicating over.
Status
This field displays the results of the test:
Ok - the cable is working properly.
Open - there is no cable connected to the port or the cable is damaged.
Short - there is a short along the cable.
Short-between-pair - there is a short between two twisted pairs of cable.
Pair A .. Pair D
This field displays the whether the twisted pair has a good connection - Ok, or it 
displays the type of fault the Switch has detected: OpenShort or Short-
between-pair. It also displays the length of total twisted pair length or the 
distance to the detected fault depending whether the cable tested Ok or a fault 
was found.