The Rebackdeg. A 4599 wall plate allows the Redbackdeg. A 4505 Lockdown Timer to be controlled remotely. With the remote function the user is able to trigger the Lockdown, Fire and Bell tones and the cancel function. The switches are momentary operation and must be pressed for up to 3 seconds to activate. The switches have protective flip upcovers to prevent accidental operation. Connection is made to the Rebackdeg. A 4505 via standard Cat5e cabling. There are two RJ45 ports on the rear of the wall plate, either of which can be used. Only one Rebackdeg. A 4599 wall plate is allowed to be connected to the Rebackdeg. A 4505 via the RJ45 port.