IronPort Systems ES-1528 - Manual (Page 87)

ES-1528 User’s Guide
87
C
H A P T E R
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 48 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.
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: Open, Short 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.