ITech IT-M3900B Series User Manual page 32

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Fiber optic modules and cables
Fiber optic modules and cables are used for data transmission and commu-
nication between parallel units, and are highly resistant to interference. The
fiber optic module and cable are the necessary accessories for the parallel
connection. Different numbers of fiber optic modules and cables are used in
different numbers of parallels.
IT-E168: Used for parallel connection between the units, including one fiber
module and two fiber cables, with lengths of 1.5 meters and 0.3 meters.
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IT-E165A: Anti-reverse connection and anti-spark module
It is suitable for battery products. This module can be selected to avoid
sparking and reverse connection during battery wiring.
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IT-E165B: Anti electromotive force module
It is suitable for motor products, which can prevent the electromotive force
generated during the operation of the motor from damaging the power sup-
ply products.
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