Rev. 1 - 07/10
A-4000 Series Audible-Visual
LED Nurse-Call Master
The Alpha Communications®/Cornell A-4000 Audible-
Visual Nurse Call Annunciator/Control Panel provides for
audible and visual call indication without the use of voice
intercom communications. A basic nurse-call system may
consist of an A-4000 series annunciator/control panel,
room call stations, emergency call stations, dome lights,
zone lights, control unit and power supply equipment.
EMERGENCY calls take precedence over ROUTINE calls.
Call signals can be canceled at point of origin only.
Indicator LEDs signal the presence of EMERGENCY and/
or ROUTINE calls. The A-4000 series is available in a
number of configurations and sizes based on system
All A-4000 series annunciator units shall be made of
anodized aluminum and shall provide designation strips.
The faceplate shall feature hi-low tone switch, LED power
ON indicator and lamp test switch. Depending on the
housing provided, the unit shall be flush, surface or desk
• UL® 1069 Listed
Electronic tone circuit with volume control
Tone hi-low and lamp test functions
• EMERGENCY and ROUTINE call signaling
Ideal for Hospital and Nursing Home Applications
• Comes in a variety of configurations and sizes and provides
designation strips for markings
• Can be flush, surface or desk mounted (with appropriate
See chart on page 2 (back)
Natural anodized aluminum
Two options are available, one for
single status and another for multiple
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42 Central Drive • Farmingdale NY 11735-1202 • Phone (631) 777-5500 • Fax (631) 777-5599
TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: email@example.com
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.