Network (Ntwk) Cable Test Mode - Black Box TS590A User Manual

CHAPTER 3: Test Modes

3.2 Network (NTWK) Cable Test Mode

The SOHO Tester assumes the 8-position
jack on the main unit and the remote will
be used for connecting the tester to the
cable run to be tested. The TIA/EIA
568A/B standard is used to define the
pairs. Connector pins 1–2, 3–6, 4–5, and
7–8 are the pairs defined by this standard.
The A and B standards are the same except
for color-coding and are indistinguishable
from each other by electrical testing. The
tester will display the PASS icon when all 8
pins are correctly wired in a one-to-one
order. If all 8 pins are correctly wired with
the 1–2 and 3–6 pairs crossed, the PASS
icon will be displayed along with a flashing
UPLINK icon. Uplink cables are also
known as crossover or T568A-to-T568B
cables and are commonly used to connect
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