Bosch AMC2-4R4 Installation Manual page 44

Access Modular
44 en | Installing
Controller
Each relay output has a separate jumper setting on the
underside of the circuit board to select dry (E1) or wet (E2)
mode.
Figure 4.22: Location of relay output jumpers (bottom side)
2013-08 | AMC2-4R4 | Bosch Sicherheitssysteme GmbH