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Since these devices do not contain a REX input you can use a remote ACU to manage door peripherals, such as a door lock relay, door contact, and a REX device. A LAN connection to the remote ACU is required to control all door peripherals that have been assigned to the Video Reader Pro or Video Intercom Reader Pro entry. We have found in some cases the Video Reader Pro and the Video Intercom Reader Pro go offline, and if the REX is not wired in a series with the lock hardware, the REX on the entry does not engage the remote relay. It is important to follow the best practices outlined in this article and the diagrams below in order to ensure a reliable experience when the Video Reader Pro or Video Intercom Reader Pro is inaccessible due to a network interruption, maintenance, or firmware update.
There is also the ability to use a rule to fire the REX and skip over a possible situation where your Video reader is offline by following the steps here.
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Note: To wire the REX in series with the lock hardware refer to the examples below. |
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Example 1: Remote REX on SDC with Video Reader Pro / Video Intercom Reader Pro
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Example 2: Remote REX on OP-EX-4E with Video Reader Pro / Video Intercom Reader Pro
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To further improve reliability, Avigilon Alta will be implementing changes that will engage the remote relay for the entry when the REX is triggered even if the associated video device is unavailable. The controller for this relay should have a battery backup or be wired in a fail-safe configuration for maximum reliability.
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