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CableMaster 400
Pass – The “Pass” icon appears if the cable has a properly wired 4-pair T568A/B data
cable, a 3-pair one-to-one wired voice cable, or a video cable with no faults.
X-over – This icon displays if a properly wired cross-over (uplink) data cable is
recognized. A crossover cable is a data cable with the 1-2 pair wired to the 3-6 pair.
This allows an Ethernet NIC card without MDIX capability to communicate by wiring
the transmit end of the cable to the receiver on the opposite end of the cable.
Rev – The “Rev” icon is displayed when the cable is a properly wired reverse-pinned
voice cable. A reverse-pinned voice cable has all wires on one cable connector ordered
by continuity and the connector on the opposite end of the cable has the pins located
in a reversed order. Pin 1 connects to Pin 6 on the opposite connector; Pin 2 connects
to Pin 5 and so on.
CABLE FAULTS
There are four possible error conditions on the cable: Fail, Short, Split, and Open.
Cable faults appear in the third row of the LCD screen. The faults are described in
Table 5 below. Refer to the Appendix for a visual representation of cable faults and
how they appear in the Wire Map.
Figure 2. LCD Display Screen
Cable Fault
Description
Fail
A “Fail” error occurs when a cable’s wire connections do not follow
cabling standards.
• This icon will illuminate when any cable fault is detected
• Any miswired pin pairs will flash in the Wire Map
Open
An “Open” error means a wire connection within the cable is not
continuous through the length of the cable.
• The pin pairs with errors will flash in the Tester Pin # field of the
Wire Map and will be blank in the Remote Pin # field
Short
The “Short” icon appears when two or more wires within a cable are
electrically connected. This is also known as a short circuit.
• A dash (-) will appear in the Remote Pin # field to indicate the
shorted pin pairs
• This dash will appear directly below the flashing pairs in the Tester
Pin # field
Split
A split, also known as an AC signal fault, occurs when wires are not
twisted together according to their cabling standard.
• This miswire commonly occurs with pins 3, 4, 5, and 6 in a data
cable
• The pin pairs experiencing the split will flash in the Remote Pin #
fields of the wiring map