3-1
Chapter 3
4101-2 Modular Controller
Description
The 4101-2 Modular Controller provides the processing and memory
required to carry out the Access Control and I/O functions
programmed into its EPROM. It also provides communications with
either a Communications module (RS485) or direct to a PC (RS232).
Physically it provides the enclosure to house up to five assorted
modules, plus an RF module if Hands Free reading is required.
The Controller requires a separate power supply (preferably the 4910
PSU) and draws a maximum of 1.25A at 12V with all module slots
filled. Auxiliary power from the PSU enables the Controller to be used
as a central point from which power can be drawn for lock strikes
and other ancillary equipment.
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