Single Door Answering Device, Enhanced, Activates Door Locks — One zone/talkback door entry control for handsfree communication with remote call in. Provides background music input with volume control, door unlock contact closure, built-in ring generator with on/off switch, alarm function input.
- Provides Handsfree Talkback Communication Between An Entryway And A Telephone
- Transmit And Receive Volume Controls
- Built In 90 V 30 Hertz Ring Generator With On/Off Switch
- Distinctive Ringing Option
- Programmable Number Of Ring Cycles
- Interfaces With Telephone System Via Loop Start Or Ground Start C.O. Line Position
- Normally Open And Normally Closed Door Unlock Relay Contacts
- Background Music Input
- Integral Battery Backup Input
- Compatible With All Valcom Doorbox Speakers
- May Be Accessed From A Dedicated Single Line Telephone Set
- Supports Call Button At Speaker Location
- Tone At Speaker When Call Button Activated
- Standard 66 Block Used For Connections
- Alarm Functions
- Optional Alert/Repeated Alert Tone
- Requires Power Supply
Dimensions: 8.60″H x 11″W x 2.30″D (21.84cm x 27.94cm x 5.84cm)
Weight: 3lbs 1.36kg