Chapter 2
Intelligent Field Panel
Integra32
™
Hardware Guide RBH Access Technologies Inc.
12
Jumpers
JP1 The upper position is for RS232, and the lower position is for RS485. (In a
multi-panel network with the first panel connected to the PC via RS-232 and all
other panel connected to the first panel via RS-485, set JP1 of panel #1 to RS-
232 and all other JP1s to RS-485)
JP2 Bias Low – RS485 tuning
JP3 Termination – RS485 tuning
JP4 Bias High – RS485 tuning
Leave jumpers JP2, JP3, and JP4 open. Do
not use these jumpers without consulting RBH.
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