120 en | Secure/Communication Card Access Easy Controller
Ver 2.0.0 | 2006.07 Hardware Manual Bosch Security Systems
Reference Tamper : T2-3 & T2-4
This terminal block is usually connected to a micro-switch that is used to monitor the enclo-
sure's cover against unauthorised tampering. Any opening of the enclosure will cause the CPU
Card's buzzer to sound and the Common Alarm Output (CAO) relay to trigger on. A Controller
Tamper alarm message will be sent to the View Activity page.
Reference DC 15V IN: T1-1 & T1-2
These 2 terminals are for connection to an external 5VDC source. Please read the Chapter on
Power Supply Requirement for further information before connecting any power source.
Reference RS485 connector:
T3
These terminals are for connection to the Convertor Card. The Access Easy Controller uses
RS485 as the communication protocol between the Convertor Card and the Secure/Communi-
cation Card.
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