8 en | Introduction Access Modular Controller 2
2022-11 | V04 |
Guide d'installation
Bosch Security Systems B.V.
3 Introduction
3.1 Description
Figure3.1: Access Modular Controller
Unsecured Area
Secured Area
Figure3.2: Example
The controller has four independent interfaces for RS-485 type readers. It can control a
maximum of four doors with a reader in each direction and a maximum of eight doors with a
reader in one direction only.
The electronics of the controller are completely covered by a plastic housing. The LCD (liquid
crystal display) provides all important status information.
All necessary information for access verification is stored in a battery buffered on-board
memory and a Compact Flash (CF) memory card. This guarantees autonomous access
decisions and complete access registrations even if the management host system is offline.
The built in compact flash adapter provides adequate storage capability for cardholders and
events.
The controller can communicate upstream to the host computer using one of the following
interfaces:
– Ethernet
– RS-485 multi-dropped, not supported by: