The scope of this document is to give a thorough introduction on the Annuncicom MPI400. At the end of this guide the user will be able to run a basic setup and have an audio stream playing.
MPI400 device (including screw terminal blocks)
Quick Install Guide
The Barix Annuncicom MPI400 is an audio over IP decoder, PoE or externally powered, offering a multitude of interfaces:
1x 10/100 MB Ethernet with PoE support (IEEE 802.3af)
1x 24VDC power input
1x Audio output connection that can drive: 1w@8ohm speaker OR a line level balanced input
1x 18V Phantom power microphone Input
1x 2.7V Microphone input
1x Unbalanced line level Input
2x Digital inputs (dry contact)
1x Normally closed relay
1x Normally opened relay
2x USB Type A
1x Headphone out on 3.5mm trs
STEP 1 Connect the Audio Equipment
The Annuncicom MPI400 provides audio output on one of these connections: headphone, speaker / line.
STEP 2 Connect the network
Connect your Annuncicom MPI400 to the network using a standard Ethernet cable (CAT5e or better).
STEP 3 Power up
Annuncicom MPI400 supports the PoE standard. If a PoE switch is not available consider to use a 24V external power supply. At boot the device will
Light up status LEDs, both red (boot in process)
15s after power up → Device announces its IP Address (take note to be able to enter the web interface later) → Left LED turns from red to green
35s after power up → Application is ready → Right LED turns from red to green
Annuncicom MPI400 is ready to be used.
First Configuration - Play Barix Radio
From a PC in the same network subnet of the device, use a web browser to access the web interface by typing the IP Address into your browser (the one noted during boot)
Login is required, by default user is "admin" and the password is provided on the sticker on the backside of the device (PW label)
Select Barix Radio from the Type drop-down menu. Barix Radio is a source type pre-configured to play music from https://www.barix.com/radio.m3u - Change the source Name into “Barix Radio” (not mandatory)
Click on SUBMIT → After few seconds music will play
Check out the Speaker Status page to monitor the playback. When the source plays the corresponding layer turns green
Type A USB Ports
Short press while powered (1s - 9s) → Reboots the device
Long press while powered (10s - 19s) → Hard reset to defaults (including network settings)
Press and hold for 30s while powering up → Rescue process triggered: device will connect to the Barix update server and install the latest firmware
3.5mm trs headphone output
Fast Ethernet network connection on RJ45
LEDs (see table below)
As per picture above:
2 ways detachable screw terminal block 24VDC Input - 12W max. consumption
3 ways detachable screw terminal block. Capable of driving both speaker level and line level inputs.
5 ways detachable screw terminal block (pins 1 -3 from left to right “+”,”-”,”G”)
Balanced 18V Phantom Microphone Input
5 ways detachable screw terminal block (pins 3 -4 from left to right, “G”,”L”)
Unbalanced Line Level Input
5 ways detachable screw terminal block (pins 3 -5 from left to right, “G”,”M”)
Unbalanced 2.1V bias Microphone Input
2x Digital Inputs (dry contact)
1x Normally Open Relay, 30V 0.5A
1x Normally Closed Relay, 30V 0.5A
Digital Input Operation modes: Configurable individually for each dry contact input available
SIP: initiate calls, accept incoming calls, hangup calls when the input is closed.
SIP “Press-Hold-Release”: same as SIP with the difference that any state change of the input triggers the action to perform.
SIP Refer Blind Transfer: Transfer a call to the configured extension
Relay Output activation: Configurable individually for each dry contact input available
Relay activation on SIP RINGING state (de-activation when ringing is over)
Relay activation on SIP ACTIVE call state (de-activation when call is hangup)
Relay activation on SIP DTMF sequence (de-activation upon reception of DTMF de-activation sequence, configured separately)
Relay activation from REST API call (if enabled in the configuration)
STATUS LED Behavior
Status LEDs description
System not powered
LED1 blinks slowly during the boot up process
System in Rescue mode
As soon as device enters rescue mode, LED1 starts blinking YELLOW
Factory defaults setting (RESET button pressed >10s)
After 10s of holding RESET button pressed, LED1 starts blinking fast GREEN to indicate that the RESET button can be released and that the default factory settings will be applied (incl. Network settings)
(see lines below)
(see lines below)
Check the descriptions below to see how the LEDs are supposed to behave once the system is “ready”
Application not running
Downloading / Installing Firmware
For more details on IP Audio Client, the software running on Annuncicom MPI400 consult the IP Audio Client user manual.
Compliance and further Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the device into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Safety and precaution recommendations apply. Find them in the download section at www.barix.com
Find your distributor on this list for more hardware.
For questions that are extending the documentation, feel free to contact us on:
International: +41 434 33 22 22
USA: +1 866 815 0866