40 MPA2C3 Installation Guide
System set up for Wiegand or OSDP Readers
The MPA2C3 Access Control Panel supports two types of readers: Wiegand Read-
ers and OSDP Readers. Four RJ45 terminals are designed to wire readers. The
information card on the panel identifies these terminals as eg READER1 IN, or
READER4 .
In a 2-door MPA2C3 controller, each door supports one or two readers (entry (IN)
and exit (OUT) readers) with Wiegand output format.
In a 4-door MPA2C3-4 controller or when a license is applied for 4 door panel, each
door supports one reader (entry (IN) only) with Wiegand output format.
When IN and OUT readers are needed in a 4 door configurated MPA2C3-4 panel,
then you must use OSDP readers
(see Table 3-2, “Table for reference.,” on page 41)
OSDP (Open Supervised Device Protocol) is a bi-directional RS485 Multi-drop
AES128 Encrypted protocol.
Each RJ45 connection supports up to 2 OSDP readers connected in daisy chain
(multi drop) or Y-configuration at the door.
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