14
en | Introduction
Access Modular Controller 2
2021-04 | V04 | IM
Installation manual
Bosch Security Systems B.V.
3.3
System overview
The controller is connected to the host system via RS485 or Ethernet, depending on the type
of installation. The host interface is selected during installation. The four interfaces are
available on the device by default. With RS485 operation, a maximum of eight access
controllers can be connected to one party line.
2
3
3
2
1
4
2
2
3
3
Figure 3.7:
Example
1
Host computer
2
Access Modular Controller
3
Card reader
4
Communication and power supply
In the communication chain of a system, the access controller is integrated between the host
system and the peripheral devices.
It is possible to connect up to four readers to the access modular controller.
Summary of Contents for Access Modular Controller 2
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