Appendix Access Controller AMC-4W
48 Installation Guide Bosch Security Systems | V.3.1/2006-09
7.2. Jumpers
Figure 41: Jumpers location upper circuit board/display board
Jumper Setting
JP1 Selects RS485 two-wire-mode or four-wire-mode
JP2 Connects internal ground to RS485 host interface ground
JP3 Connects internal ground to RS485 host interface shield
DS1 DIL switch for transfer mode and RS485 host interface address
selection
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