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3
Disconnecting the Port Cables
Be sure that the number on the cables match the
port numbers before you remove any cables.
0
Disconnect the cables from the four ports
of the 7426.
Note: In Japan,
if
any ports are connected
to a modern, turn the Test/Oper switch on
the adapter cable to Test.
Do not
disconnect
the cable.
4
lnserting the Test Plugs
0
Insert the test plug (PN 2720166) into port 0.
0
Tighten the retainer screws.
Communication cables from
displays or printers.
2720166
~
Retainer Screws
Chapter 4. Customer Problem Analysis and Resolution 4-11
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