Notifier VCM-4RK (REFURBISHED)
Notifier VCM-4RK Voice Control Module provides four Style Y (Class B) or Style Z (Class A) speaker circuits, four Style Y (Class B) telephone circuits, eight manual select switches and indicators. VCE-4 Voice Control Expander adds four circuits to VCM-4.
For use with Notifier's NFS-3030 and NFS- 640 FACPs.