Valcom V2904 Four Door Answering Interface Two Way Communication

Activates Door Unlock Capability

• Door Unlock Contact Closure(Strikeplate Required)
• Alarm Functions
• Transmit And Receive Volume Controls
• Background Music Input With Volume Control
• Built-In Ring Generator With On/Off Switch
• 3 Distinctive Ring Patterns
• Programmable Options Include:
  - Door Unlock Codes
  - # Of Ring Cycles Before DoorRequest Is Terminated
  - Time The Door RemainsUnlocked (Per Door)
• Places Simultaneous Calls In Queue
• Requires -24 Vdc, 600mA (Filtered)
• 12 Valcom Power Units