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Door Entry Intercoms
 Four Door....................V-2904
Valcom Power Units
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)
Enhancements
Doorplate Speakers
Flush Mount .........................V-1072A
Flush Mount Vandal-Resistant..V-1073
Surface Mount..............................V1074
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