Moxa Technologies MGate MB3000 Modbus Manuel d'utilisateur Page 15

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MGate MB3000 User’s Manual Hardware: MB3180
3-4
Jumpers
JP 3
JP 4
To set the pull high/low resistors to 150 K, leave jumpers JP3 and JP4 open (not shorted). This
is the default setting.
To set the pull high/low resistors to 1 K, short jumpers JP3 and JP4 with jumper caps.
ATTENTION
Do not use the 1 K pull high/low setting on the MGate MB3000 when using the RS-232 interface.
Doing so will degrade the RS-232 signals and reduce the effective communication distance.
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