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M-2004 & M-7004 User Manual, v 1.0.2, Apr. 2020 E-mail: [email protected]
Copyright © 2017 ICP DAS Co., Ltd. All Rights Reserved.
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1.8. Jumper Settings
For the M-7004 modules, the JP1 jumper can be used to enable
providing the RS-485 bias. The position of the JP1 jumper is
shown in the figure below.
The settings for the JP1 jumper is as follows.
Enable RS-485 bias.
Disable RS-485 bias. (factory default)