Proximity Card Reader (RS-485)
AC-1100
Technical Reference Manual
DC power supply
The AC-1100 should be powered by a UL294 Listed, power-limited power supply
capable of delivering a minimum current of 200 mA under all conditions.
The power supply wiring is connected to the AC-1100 Proximity Card Reader via the four-way
terminal block fixed in the resin potting at the rear of the unit.
The power supply terminals are l12 V
dc
and 0 V
dc
.
Power supply for the AC-1100 unit may be taken directly from the host controller’s auxiliary
power terminals, provided that the power supply and cabling are UL Listed in compliance with
the requirements detailed in the document ‘Powering KeyMaster Systems’, file name
Power
HIG Rev B ENG-US.pdf
.
The UL294 Listed, power-limited power supply used to supply the host controller
must be able to deliver sufficient power to supply the controller and auxiliary
device/s.
AC-1100
12 Vdc
200 mA
Power
Supply
12 V
Gnd
+
Note: Use only a UL294
Listed, power-limited
power supply
Power supply wiring
Under certain circumstances it may be acceptable to use an additional pair within the network
cable to transmit 12 V
dc
power to the AC-1100 unit. For a detailed discussion on the supply of
power to KeyMaster System devices, please refer to the power supply wiring guidelines
mentioned above.
Copyright KeyMatrix Inc.. All rights reserved.
Revision C
[2005-11-04]
p. 11
