Notifier AKS-1B Key Switch

Notifier AKS-1B Annunciator Key Switch is required for each NCA-2 unless the NCA-2 is installed in a lockable cabinet such as a CAB-4series backbox. The AKS-1B is used to enable and disable the NCA-2 keypad. (see Section 3.16 ?Annunciator Key Switch (AKS-1B)?).In some jurisdictions, only one NCA-2 may have the keypad enabled at any given point in time; all other NCA-2 keypads must be disabled using the AKS-1B If an NCS is installed on the network, each NCA-2 keypad must be disabled by enabling key switch monitoringfor the NCA-2 and locking the AKS-1B. A wiring diagram is provided in Section 3.16, ?Annunciator Key Switch (AKS-1B