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The physical path of the cable must be as free as possible of electro-
magnetic interference (EMI) or radio frequency interference (RFI).
Shielded cable will decrease vulnerability to such interference, but
cannot guarantee its elimination. Avoid running cable over or near
florescent lighting, electric motors, power distribution panels,
transmitters or UTP network cable bundles. Try to keep the cable
length
as short as possible
. Data transmission problems may occur
if the cable is exposed to any such interference: loss of data, dupli-
cate punch data, packet errors and corruption.
Cable Pinouts
Connect pin 2 on the DB9 to pin 1 on the RJ12. Then connect pin 3 on
the DB9 to pin 6 on the RJ12. Then connect pin 5 on the DB9 to pin 3
on the RJ12. Jumper pins 4 and 6 on the DB9 together and pins 1, 7 and
8 on the DB9 together.
See Figures HARDWARE-10 and 11 below.
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