The master station(s) shall be Alpha Communications® / Ring model AA903C or approved equivalent. Master(s) shall have clear two-way communications. 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. Master(s) shall be used with the BBF863 (flush backbox) or BBS863 (surface back box) or BBD905 (desk backbox). Unit shall be finished in a brushed aluminum finish.
Contractor shall observe all local and national electrical and building codes.
The AA903C is designed for normal use as a flush-mounted unit with back-box model BBF863. However, the station 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-Talk button (T), Cancel button (X), Volume Up/Down buttons, Privacy button (P) and a microphone Mute button (M). A status LED is used for indicating station-ON and Privacy.
An optional add-on handset connector is included, for use with the optional model GD501 privacy handset.
The station permits the connection of a parallel speaker where additional output is required (loudspeaker impedance 50 ohms recommended). The station is designed to work with the RM5000EX and/or CB901EX series microprocessor intercom systems.
|Color:||Brush Aluminum face plate|
|Dimensions:|| Width: 5.25" (134mm)
Height: 9.50" (242mm)
Flush Depth: 1.60" (40mm)
|Power Consumption:||approx. 150 mA max.|
||300 - 5000 Hz|
||0 dB (1 mW/600 ohm)|
||max + 4dBm|
|DTMF Signaling:||-10 dBm|