Making Tests And Measurements; Testing Cables; Active Pin Connections - Fluke 620 User Manual

4. Press until the known cable length is
displayed, and then press
parameters are stored and will remain in memory
even if the test tool is turned off. All future
measurements for this cable type are compared to
these new parameters until another cable is selected
or another calibration is performed.

Making Tests and Measurements

The test tool displays test results in relation to individual
pin numbers. For example, in the LENGTH mode, the
following display indicates the twisted pari connected to
pins 1 and 2 is 301 feet long whilc the pair connected to
pins 3 and 6 is 300 feet long.
When you are testing STP cabling, the pin number
displayed always corresponds to the pins at the STP (DB-
9) connector. Table 4 shows the connections for the
active pins.
. These cable
abm06f.eps
Making Tests and Measurements
Table 4. Active Pin Connections
DB-9 Line Name
1 RX+
6 RX-
5 TX-
9 TX+
When you test STP cables, the IBM Data
Connector in the STP Adapter Kit or AMP part
number 555414-2 must be used with the Cable
ID Unit.

Testing Cables

The TEST function teststhe attached cable and indicates
PASS or FAIL based on hte cable's compliance with the
parameters stored in the test tool for the selected cable.
The tests that are performed (Table 5) depend on
whether or not a Cable ID unit is connected to the far end
of the cable.
CableMeter
Data 8-Pin RJ45
Connector
Color
Red 4
Green 5
Black 3
Orange 6
Note
9