Itel MPX-S User manual

User's manual
MPX-S Multimode network splitter
© 2017ITELSNC
Author
Version
Copyright 3.1.0 - 21/03/2017
A.Tomassini

MPX-S Multimode network splitter2
© 2017 ITEL SNC
Table of contents
Section 1 Introduction 4
................................................................................................................................... 41 List of changes
................................................................................................................................... 52 Warnings
................................................................................................................................... 63 Front panel
................................................................................................................................... 64 Rear panel
................................................................................................................................... 75 EXT CNT connector
................................................................................................................................... 86 Editing and navigation
Section 2 Front panel display 11
................................................................................................................................... 111 Splitter status
......................................................................................................................................................... 11Input level
......................................................................................................................................................... 11Level monitor
................................................................................................................................... 112 RDS and MPX Audio monitor
......................................................................................................................................................... 12Mpx source selection and stereo levels
......................................................................................................................................................... 12RDS flags ......................................................................................................................................................... 12Radiotext ......................................................................................................................................................... 12RDS blocks percentage monitor
......................................................................................................................................................... 13AF tables ......................................................................................................................................................... 13RDS Stream monitor
......................................................................................................................................................... 13Subcarrier monitor and deemphasis selection
................................................................................................................................... 133 Alarms
................................................................................................................................... 144 System setup
......................................................................................................................................................... 14Display and Mpx inputs
......................................................................................................................................................... 14Interfaces and input modules
......................................................................................................................................................... 15Parallel status
......................................................................................................................................................... 15Network setup
......................................................................................................................................................... 15System info
......................................................................................................................................................... 15System manteinance
................................................................................................................................... 165 HeadphonesLevel

Section 1
Introduction

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© 2017 ITEL SNC
1 Introduction
SPLIT MKII is an audio switcher for splitting advertising or regular programming over different areas. It
is realized with fully solid state switches in order to maximize reliability. It can handle, using two 8-
channels boards, up to 16 different zones and allows two network inputs.
Each output is monitored and can be programmed for auto-return to network programming, if a
prolonged mute condition is detected on its input.
An internal DSP based high quality stereo decoder and subcarrier monitor with integrated RDS
decoder, allows a quick and easy measurement of the main MPX parameters and RDS data on any
network input and output.
As optionals, are available the redundant power supply and the mechanical bypass which switches
all outputs to the network input 1, in case of power outage or internal malfunction.
1.1 List of changes
1.1.0 11/2/2015 first edition
1.2.0 18/12/2016 added MPXmonitor description

5Introduction
© 2017 ITEL SNC
1.2 Warnings
Before attempting any operation, please follow the safety instructions contained in the
following paragraph.
The producer declines any liability for damage to people or things due to non-compliance,
even if partial, of the following indications
• Ensure that the supply voltage corresponds to what is indicated on the apparatus.
• Ensure that the electrical system is equipped with a ground connection.
• Use only power sockets and cables with ground connection
• Disconnect power before attempting any operation inside the device.
• The power cutting device is the power cord, so this should be easily accessible and the socket
must be positioned close to the apparatus.
• Any operation involving the access to internal parts must be performed only by trained service
personnel.

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1.3 Front panel
Front panel leds
SPLIT: lit when network splitting is taking place.
ALRM: alarm condition detected.
COM : data communication active
RUN: system heartbeat.
Menu navigation and parameters editing is done through the front panel knob.
he headphones output allows to listen to each output; the output selection is made through the
"MpxAudio Monitor" menu.
1.4 Rear panel
MPX module 2 (optional) Mpx Module 1
Rear panel connector
MPXmodules 1/2
NET IN 1 Main network mpx input
NET IN 2 Backup network mpx input
IN 1 Mpx input area 1
IN 2 Mpx input area 2
IN 3 Mpx input area 3
IN 4 Mpx input area 4
IN 5 Mpx input area 5
IN 6 Mpx input area 6
IN 7 Mpx input area 7
IN 8 Mpx input area 8
OUT 1 Mpx output area 1
OUT 2 Mpx output area 2
OUT 3 Mpx output area 3
OUT 4 Mpx output area 4
OUT 5 Mpx output area 5
OUT 6 Mpx output area 6
OUT 7 Mpx output area 7
OUT 8 Mpx output area 8
CONTROL PORTS
EXT CNT (DB25 F) parallel inputs (view pinout)
RS232 (DSUB 9F) RS232
LAN (RJ45) Ethernet connection

7Introduction
© 2017 ITEL SNC
1.5 EXT CNT connector
The EXT CNT connector is intended for parallel inputs control.
Switching inputs are designed to be coupled to open-collector outputs: no voltage is allowed to enter
into the inputs.
The Mpx output switching, from network to local mpx, is done when the "Par" control is selected
under System menu > Split Control and when its corresponding switching control input is driven to
ground.
Yellow pins are the switching controls for module 1, red pins are for module 2.

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© 2017 ITEL SNC
1.6 Editing and navigation
Menu navigation and parameters editing is done by the front panel knob.
On the main menu which appears after firmware boot, is possible to select the submenu for the
various settings.
Pressing the knob, will enter the selected submenu.
Once entered in the desired sub-menu, if there are adjustable parameters, you can proceed to
editing
Pressing the knob, an asterisk "*" will appear next to the first editable element. This will not happen
if, on the current window, there are no editable parameters.
Turn the knob to position the "*" cursor on the other editable elements of the current window.
If you want now to change the analog input sensitivity, press the knob again. A "<" symbol will
appear next to the parameter to indicate that this is being edited.

9Introduction
© 2017 ITEL SNC
Turning the knob, you now will modify the selected parameter's value.
Once set the desired value, press the knob again. The cursor will switch to "*" again, indicating that
items navigation mode is now active and other items can be selected and edited as described
before.
If editing is however terminated, press the knob again and the "*" cursor will disappear and you can
rotate the knob to navigate to other windows.
Inside any submenu, pressing the knob for more than 3 seconds, will cause a jump to the main
menu.
When pressing the knob for 1 seconds, will appear the Headphone Level regulation.

Section 2
Front panel display