ITech IT-M3900C Series User Manual page 29

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.
•
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.
•
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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