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Annuncicom 155

Fully EN50155 and GL "Brücke" compliant to be used in trains, cars, and industrial installations.

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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