7.6 User Authorization
The User Authorization feature is an option for LRC-M and LRC-L OCUs.
This feature requires the system to be enabled by the insertion of an ID card into a receptacle on the OCU. This
receptacle reads the card and compares the ID card to a list of predefined users. If the card is current, the OCU
sends a signal to the MCU that the user is authorized and enables control.
7.7 Multi Address Capability (MAC)
MAC is an optional feature and allows up to 15 MCUs to be controlled by up to seven OCUs.
Some simple examples are below; each MCU is equipped with a number of lights outputs to indicate the current
status.
Figure 26: Multi Control Mode
Figure 27: Single Control Mode
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