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Annuncicom 155

Industrial, ruggedized device with dual Ethernet supervised Mic/Speaker and control interface, rail certication

IP Paging and Intercom codec device for demanding environments and security applications. Dual Ethernet, supervised mic/speaker and IO, wide operating range and vibration/shock proof, IP65 rated. Useable as paging gateway, small zone device and Intercom device.


24 to 48 VDC ± 30%, <60 V, 14 Watt max.

M12 “A” connector (male)



2x 10/100Mbps auto, MDI/MDI-X, Link & Activity LEDs

per interface, Internal switch, Protocols: TCP/IP, UDP, RTP, SIP, DHCP

M12 “D” connector (female)



300..230’400 Baud asynchronous, 7/8 bit

+12V, 100mA, fused supply output to external devices

M12 “A” connector (female)


Line out

max. 11 dBm @ 600 Ohm, max. 12 dBu (FS), unloaded

Output impedance 40..45 Ohm, 14 mWatt max

Values @ 600 Ohm: Freq. response 20 Hz .. 20 kHz




Dynamic range 80dB, SNR -80dB, THD <0.15% (-3dBFS)*

Output level software controllable


Speaker out

5.0 Watt RMS max @ 8 Ohm

Values @ 8 Ohm: Freq. response 10 Hz .. 15 kHz (-3dB),

Dynamic range 82dB, SNR -82dB, THD <0.1% (-3dBFS)*

Output level software controllable


Microphone in

Electret mic, supervised bias power (2.4..4 VDC)

Frequency response 50Hz ..20kHz (-3dB)*

Dynamic range 70dB, SNR -70dB, THD <0.05% (-3dBFS)*

input sensitivity software controllable



Audio formats

MP3, encoding/decoding up to 192/320kbps

PCM 16bit @8, 16, 22.05, 24, 32, 44.1, 48 kHz

G.711, uLaw, aLaw (sample rates same as PCM)


Discrete I/O

2 fully supervised inputs

1 LED driver output, current limited

internal temperature sensor

2 status LEDs (red/green)


Panel interface

Sub-D 15 connector, all audio and I/O signals



Aluminum case, 460 g, with mounting wings


Min. mounting space incl. plugs (W x D x H)

230 x 138 x 47 mm (9 x 5.43 x 1.85 inch)


Dimensions (W x D x H)

130 x 108 x 38 mm (5.12 x 4.25 x 1.5 inch)



Calculated acc. MIL217F at 40°C

Min. 80 000h at “ground mobile” environment

Min. 225 000h at “ground fix” environment

Calculated acc. IEC62380 Standard

Min. 110 000h at “ground; non stationary; severe”


* depends on used codec, best results @48kHz PCM

Annuncicom 155 (Made in China)

2016.9186 Annuncicom 155 NoPSU Package


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