IP sounder wall mounted for indoor (Harmonys or equivalent)
The amplified sounder shall carry out scheduled ringing, PA announcements (from a microphone connected to the IP Network) and streamed music.
The sounder shall have an ABS casing: white front and anthracite back.
The amplifier shall be integrated to the sounder with volume adjustment (90 dB maximum at 1meter).
The protection index shall be IP 31, at least, for indoor.
The operating temperature range shall be 0° to +50°C.

Operating mode on IP network
The sounder shall be connected to the IP network through an RJ45 connector. 
The sounder shall be easy to configure.
The order of the scheduled bells shall be transmitted through the IP network from a master clock.
The sounder shall have pre-recorded melodies stored in its internal memory in MP3 format.
For the same scheduled bell, several sounders in the same area shall play different melodies thanks to a customisation of the melodies with the computer software.
The sounder shall have a local and remote (computer) test modes.
The sounder shall be supplied by PoE.
For pre-recorded melodies and PA announcements, consumption shall be 10W max.