Alpha AA903C Specsheet

Product Specification Sheet APS666 - Rev. 11/2013

AA903C Brushed Aluminum Master Station (RM5000EX / CB901EX Series)AA903C Brushed Aluminum Master Station (RM5000EX / CB901EX Series)

387 CANAL STREET • NEW YORK • NY • 10013-1615 • Phone: [phone] • Fax: [phone] CANAL STREET • NEW YORK • NY • 10013-1615 • Phone: [phone] • Fax: [phone]

Web: www.canalalarm.comWeb: www.canalalarm.com

Copyright © 1998-2 017 Alpha Communication s® - All Righ ts Reserved.

Due to c ontinuo us product i mprovement, all col ors, sizes, materials, finishes and sp ecifications are subject to change witho ut not ice.

Architects' And Engineers'Architects' And Engineers'

SpecificationsSpecifications

The master st ation(s) shall be Alpha
Communications® / Ring model AA903C or
approved equivalent. Mast er(s) shall have
clear t wo-way communicat ions. Master(s)
shall feature a 16-button keypad, and
shall require simple home-run wiring.
Master(s) shall be flush or surface wall
mounted using the appropriate
backbox/housing. Mast er(s) shall be used
with the BBF863 (flush backbox) or

BBS863 (surfac e bac k box) or BBD905

(desk backbox). Unit shall be finished in a
brushed aluminum finish.

Master(s) shall be used with t he

RM5000EX and/or CB901EX series

mic roprocessor interc om syst ems.

Contractor shall observe all local and
national elect rical and building c odes.

AA903C Flush (or Surface) Mount Master StationAA903C Flush (or Surface) Mount Master Station

The AA903C is designed for normal use as a flush-mounted unit with bac k-box model

BBF863. However, the stat ion will also fit into a model BBS863 back-box for surface

mounting, or a model BBD905 for desk mounting.

The unit features a brushed aluminum front plate with speaker and microphone for normal
hands-free speech with a range of approximately 3-5 meters or 10-15 feet. Its keyboard
consists of 10 numeric dialing buttons (DTMF), Push- to-T alk button (T ), Cancel button (X),
Volume Up/Down buttons, Privacy button (P) and a microphone Mute button (M). A status
LED is used for indicat ing stat ion-ON and Privacy.

An optional add-on handset c onnec tor is included, for use with t he opt ional model GD501
privac y handset .

The stat ion permits the connec tion of a parallel speaker where additional output is required
(loudspeaker impedanc e 50 ohms rec ommended). T he station is designed to work with the

RM5000EX and/or CB901EX series mic roprocessor intercom systems.

FeaturesFeatures

Clear two- way communicat ions
Tot al privacy with warning tone
Discreet c all mode
Ringing tone / Voice insert
Microphone cut-out / Conference
Remote control circuits (doorlocks, bells etc.)
Automatic busy call-back
Hurry-up tone
All/Group calls with reply-bac k
Automatic c all redirection
Secretary transfer
Group hunting / Priority
Speed dialing
Stat us LED

SpecificationsSpecifications

Color: Brush Aluminum face plate

Dimensions:

Width: 5.25" (134mm)
Height: 9.50" (242mm)
Flush Depth: 1.60" (40mm)

Operating Voltage: 20-27VDC

Power Consumption: approx. 150 mA max.

Frequency Range: 300 - 5000 Hz

Galvanic Line: 0 dB (1 mW/600 ohm)

Speech level: max + 4dBm

DTMF Signaling: -10 dBm

Flush Backbox: BBF863

Surface Backbox BBS863

Desk Backbox BBD905