Bosch APC-AMC2-4R4CF - 11.2 Status display; 11.2.1 Bootloader V00.49

48 en | Installing Access Modular Controller 2
2020-01 | V02 | Installation manual Bosch Access Systems V.B.
If an uninterruptible power supply (UPS) is used, the relay output for power good signals from
the UPS is connected to the following pins:
– pin 4 and 7 for power good AC
– pin 5 and 7 for power good Battery
– pin 6 and 7 for power good DC
Otherwise these pins must be short-circuited.
4.7.2 Power Supply via RS-485 Interface
The power can also be supplied by the AMC2-4W. In this case power pins 1 and 2 should be
connected, as well as data lines on pins 3 - 6.
Figure4.26: Interface for internal power supply
Figure4.27: Interface for internal power supply