Extron electronic MVX 128 manual Selecting the RS-232/RS-422 protocol and baud rate

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Selecting the RS-232/RS-422 protocol and baud rate

The switcher can support either RS-232 or RS-422 serial communication protocol, and operate at 9600, 19200, 38400, and 115200 baud rates. The settings of these variables can be viewed and changed from the front panel.

View and conﬁgure the switcher’s serial communications settings as follows:

1. To enter Serial Port Conﬁguration mode, simultaneously press and hold all Control buttons (Enter, Preset, View, and Esc) (ﬁgure 3-54).

Press and hold the Enter, Preset, View, and Esc buttons.

CONTROL

ENTER PRESET VIEW ESC

= Lit LED, = Blinking LED

CONTROL				I/O

ENTER PRESET VIEW ESC RGBHV AUDIO

All Control LEDs light with one flashing. Both I/O LEDs light with one flashing.

The flashing Control LED indicates the baud rate as follows:

Enter — 9600	Preset — 19200
View — 38400	Esc — 115200

The flashing I/O LED indicates the protocol as follows:

RGBHV — RS-232

Audio — RS-422

In this example, the port is set to RS-232 at 9600 baud.

Figure 3-54 — RS-232/RS-422 and baud rate display

2.	Release the Control buttons.

3. To change a value, press and release the button that relates to the desired value (ﬁgure 3-55).

Press and release the button(s) to configure the port as follows:

Baud rate:
Enter — 9600	Preset — 19200
View — 38400	Esc — 115200
Serial protocol:
RGBHV — RS-232	Audio — RS-422

The selected LEDs blink and the others remain lit.

In this example, the port is set to RS-422 at 38400 baud.

CONTROL

I/O

ENTER PRESET VIEW ESC

RGBHV AUDIO

= Lit LED, = Blinking LED

Figure 3-55 — RS-232/RS-422 and baud rate selection

MVX 128 A VGA Matrix Switchers • Operation 3-33

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Contents MVX 128 a VGA Matrix SwitcherSicherheitsanleitungen Deutsch PrecautionsSafety Instructions English Consignes de Sécurité FrançaisQuick Start MVX 128 a VGA Matrix Switchers Plug the switcher into a grounded AC sourceMVX 128 a VGA Matrix Switchers Quick Start QS-1 Create a tie Saving or recalling a presetViewing and adjusting the audio level QS-2 MVX 128 a VGA Matrix Switchers Quick StartTable of Contents Table of Contents, cont’d One About this Manual About the MVX 128 a Matrix SwitcherMVX 128 a VGA Matrix Switchers Introduction IntroductionDeﬁnitions Introduction, cont’d FeaturesMVX 128 a VGA Matrix Switchers Introduction Introduction, cont’d Two Cabling and Rear Panel Views InstallationMounting the Switcher MVX 128 a VGA Matrix Switchers InstallationAudio connections Captive screw connector wiring for audio inputsRS-232/RS-422 connection Installation, cont’dPower connection Reset buttonInstallation, cont’d Three Deﬁnitions Front Panel Controls and IndicatorsMVX 128 a VGA Matrix Switchers Operation OperationSample label Input and output buttonsControl buttons Operation, cont’dSee Viewing and adjusting the input audio level on Controls Front Panel Operations PowerCreating a conﬁguration Example 1 Creating a set of video and audio ties Press and release the Esc button ﬁgurePress and release the input 5 button ﬁgure Press and release the Enter button ﬁgure Select the outputsThis example assumes that you have performed example Example 2 Adding a tie to a set of video and audio ties13 Press the Enter button 15 Clear all selections Example 3 Removing a tie from a set of video and audio ties18 Deselect the output 21 Clear all selections Viewing a conﬁguration22 Select Rgbhv or video and audio Rgbhv button and the Audio button ﬁgureVideo Audio Press and release the Rgbhv button to deselect Rgbhv ﬁgureExample 5 Muting and unmuting an output Muting and unmuting video and/or audio28 Select Rgbhv and audio 30 Unmute the outputs Example 6 Saving a preset Using global presetsPress and release the Output 1 button ﬁgure LED blinks ﬁgurePress and release the Preset button ﬁgure Example 7 Recalling a preset40 Press the Enter button Viewing and adjusting the input audio levelPress and release an input button DB when blinking slowly, 2 dBWhen blinking quickly, and 3 dB When lit. See the table at right42 Clear all selections Example 10 Viewing and adjusting an input audio levelView View ESC Outputs Press and release the Audio button ﬁgureViewing and adjusting the output volume Released or the upper or lower limit is reachedAudio mode. The Audio button stops blinking Audio output volume settings Reading the displayed volume47 Clear all selections Example 11 Viewing and adjusting an output volume level49 Select output Performing a system reset from the front panel Locking out the front panel Executive modeSelecting the RS-232/RS-422 protocol and baud rate Enter Preset View ESC Rgbhv AudioPerforming an absolute system reset from the rear panel Rear Panel OperationsNot occur within 1 second Optimizing the Audio Performing a hard reset from the rear panelTroubleshooting Conﬁguration WorksheetsWorksheet example 1 System equipment Audio Worksheet example 2 Daily conﬁguration61 Worksheet example 3 Test conﬁguration Worksheet example 3 Test conﬁgurationConﬁguration worksheet Output destinationsOperation, cont’d Four Programmer’s Guide Host-to-Switcher InstructionsSwitcher-Initiated Messages MVX 128 a VGA Matrix Switchers Programmer’s GuideUsing the Command/Response Tables Switcher Error ResponsesX1@ = Command/Response Table for SIS CommandsSymbol deﬁnitions X1 =Description Command Ascii command Response Additional% G InX! AudX$ Audio volume adjustment settings EX!NI EZG X1* CY Information requests X1X1X1X1X1X2Programmer’s Guide, cont’d Five Matrix Software Matrix Switchers Control ProgramInstalling the software MVX 128 a VGA Matrix Switchers Matrix SoftwareClick OK and proceed to step Using the softwareMatrix Software, cont’d Open ﬁle window Updating ﬁrmwareClick the Exit button to exit the ﬁrmware loader utility Windows buttons, drop boxes, and trashcan Windows menusFile menu Tools menu Audio-Output volume settings Displays the audioTies shown as lines Preferences menuButton-Label Generator Program Using emulation modeUsing the help system Master-Reset selectionAppendixAA Speciﬁcations Speciﬁcations, Part Numbers, AccessoriesAudio Speciﬁcations, Part Numbers, Accessories, cont’d Adapters, power supplies, labels Part number Part Numbers and AccessoriesAccessories Included parts Replacement part NumberCables Male-to-female VGA molded connector cables Part numberMale-to-female VGA backshell connector cables Part number Male-to-male VGA molded connector cables Part numberFigure A-1 Button label blanks, 12-button strips Button LabelsSpeciﬁcations, Part Numbers, Accessories, cont’d Extron Electronics, Europe FCC Class a Notice Extron’s WarrantyExtron Electronics, USA