Service Identification - Fluke NetTool Quick Reference Manual

Inline network tester
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Service Identification

Plug one end of a cable into the RJ-45 jack on
either side of NetTool and the other end into any
RJ-45 wall jack.
Power up NetTool and select AutoTest. Doing so
shows you what service is active on the jack.
Based on voltage and other electrical
characteristics of the port, NetTool can detect:
Telco:
Shows the tip and ring pins.
X
Caution
Although NetTool can detect Telco
signals, it is not designed to be used on
the public telephone network. Disconnect
immediately. NetTool cannot reliably
discover Telco information with the AC
adapter or serial cable connected. It also
detects ISDN signals but cannot reliably
detect the S/T interface.
Ethernet: Tells you if the jack is hot, what's on the
other end (hub, switch, etc.), as well as the speed
and duplex, level, and polarity. Also shows the
segment ID so you can choose the right network
(if there are multiple jacks).
Token Ring:
Indicates the
presence of a Token
Ring network.
No Response: A
dangling, flashing
power cord Indicates
that NetTool senses
an Ethernet device but
the device is not
responding. This
usually means the
device is powered off.
7

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