Bosch Access Easy Controller 2.1 Hardware Installation Manual page 13

Access Easy Controller 2.1
communicates with the CPU board via the RS232 channel. The subsequent interface boards
are linked up through a multi-drop communication channel, RS485. The PSU supplies the
required power to the board.
Access Easy Extension - Access Easy Extension is a metal enclosure identical in size to the
basic AEC2.1. The Extension unit contains a Power Supply Unit, and space to install up to two
additional 4-Reader boards and/or 8-IO boards. Space is provided for an optional 12V, 7AH
standby battery to sustain the system in time of power failure.
Notice!
AEC2.1 does not come with the 12 VDC standby battery. Refer to Appendix D Selecting A
Correct Battery Size, page 111 in this manual for backup battery specifications.
Robert Bosch (SEA) Pte Ltd Hardware Installation Manual
Overview of Access Easy Controller 2.1 | en
2018.11 | 1.0.6 | F.01U.122.796
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