AC-225x-B Panel Setup
AC-225x-B Series Hardware Installation and User Manual 19
3.6 Reader
Readers are supplied with a limited cable length. When extending the wire, make
sure to match the conductors to the correct terminals on the AC-225x-B panel
(Figure 8).
Refer to the reader specifications for the maximum cable length (typically 150 m
with an 18 AWG cable).
Figure 8: Reader Wiring
3.7 MD-IO84B
The MD-IO84 is an optional I/O expansion board which adds four relay outputs and
eight supervised inputs to the access control panel. Attach the MD-IO84B to the
AC-225x-B's expansion slot, as marked in red in Figure 9.
Figure 9: Connector Location for MD-IO84B or MD-D02B Expansions
For more information, see the MD-IO84B Installation and User Guide.
3.8 MD-D02B
The MD-D02B is an optional reader expansion board which adds two readers, four
relay outputs and four supervised inputs to the access control panel. Attach the
MD-D02B to the AC-225x-B's expansion slot, as marked in red in Figure 9.
For more information, see the MD-D02B Installation and User Guide.
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