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