Extron electronic USP 405 RS-232 Programmer’s Guide, Host-to-signal processor communications

Page 42

Serial Communication

The USP 405 can be remotely controlled via a host computer or other device (such as a control system) attached to the rear panel RS-232 connector. The control device (host) can use either Extron’s Simple Instruction Set (SIS) commands or the graphical control program for Windows.

The signal processor uses a protocol of 9600 baud, 1 stop bit, no parity, and no flow control.

The rear panel RS-232, 9-pin D connector has the following pin assignments:

Pin

RS-232 function

Description

5

1

1

Input 1

Contact closure

 

 

2

Tx

Transmit data

 

 

3

Rx

Receive data

9

6

4

Input 2

Contact closure

DB9 Pin Locations

5

Gnd

Signal ground

Female

6

Input 3

Contact closure

 

 

7

Input 4

Contact closure

 

 

8

Input 5

Contact closure

 

 

9

–

No connection

 

 

RS-232 Programmer’s Guide

Host-to-signal processor communications

SIS commands consist of one or more characters per field. No special characters are required to begin or end a command sequence. When the USP 405 determines that a command is valid, it executes the command and sends a response to the host device. All responses from the signal processor to the host end with a carriage return and a line feed (CR/LF = ), which signals the end of the response character string. A string is one or more characters.

It is also possible to send several SIS commands back-to-back in sequence.

Signal processor-initiated messages

When a local event such as a front panel selection or adjustment takes place, the USP 405 signal processor responds by sending a message to the host. No response is required from the host. The signal processor-initiated messages are listed here (underlined).

(C) Copyright 2002, Extron Electronics, USP 405, Vx.xx

The USP 405 sends the copyright message when it first powers on. Vx.xx is the firmware version number.

C hn X1 (where X1 is the input number)

The USP 405 sends this response when an input is switched.

Error responses

When the USP 405 receives a valid SIS command, it executes the command and sends a response to the host device. If the USP is unable to execute the command because the command is invalid or it contains invalid parameters, it returns an error response to the host.

The error response codes and their descriptions are as follows:

E01 – Invalid input channel number (the number is too large)

E10 – Invalid command

E11 – Invalid preset value

E13 – Invalid value (the number is out of range/too large)

E17 – Illegal command for this signal type

3-2 USP 405 • Serial Communication

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Contents Universal Signal Processor USPSicherheitsanleitungen Deutsch Safety Instructions EnglishConsignes de Sécurité Français Instrucciones de seguridad EspañolRear panel video inputs N Rear panel video outputsUSP 405 Quick Start QS-1 Input menu Default Cycle menuMain menu QS-2 USP 405 Quick StartOutput menu Memory Presets menuAdvanced Configuration menu USP 405 Quick Start QS-3Genlock menu Picture Adjustments menuExecutive Mode menu Exit menuStep USP 405 Quick Start QS-5Replaced with a detail sharpness adjustment QS-6 USP 405 Quick StartTable of Contents Table of Contents, cont’d Serial Digital Interface SDI Card Installation USP 405 Table of Contents IiiIv USP 405 Table of Contents One Features and Options About this ManualAbout the USP Six video outputs Options and accessories Introduction, cont’dInstallation and Operation Tabletop use Application diagramsMounting the Scaler Rack mountingExample of the USP 405 being used as a scan converter Example of the USP 405 being used as a scalerUSP 405 rear panel connectors Rear Panel FeaturesPower connection Video input and output connectionsConnectors 14 and 15 output the same signal simultaneously Front Panel Features Genlock connectionsRS-232 connection Picture adjustment buttons Input selection buttonsUSP 405 front panel Genlock and Vertical Interval Switching Genlock setupLCD menu display and controls Timing Source Oscilloscope displays Superimposed waveformsVectorscope screen during color subcarrier phase adjustment Setting up a DVD sourceVectorscope screen during horizontal phase adjustment Optimizing the SystemDefault menus Menus, Configuration, and AdjustmentsMoving through menus by using front panel controls Menu overviewInput Configuration Main menusResolution and refresh rates submenu Output ConfigurationInput Phase submenu Input #2 submenuMemory Presets Erase memory presets submenu Recalling a presetEdge Smoothing submenu Advanced ConfigurationBlue Mode submenu Encoder Filter submenuGenlock menu Image Adjustments Exit menuFront Panel Security Lockout Executive mode Adjust knobs have no mechanical limits to their rotationSelecting an input IR 801 Infrared Remote ControlAspect ratio presets Freezing an inputImage adjustments TroubleshootingAdjusting image size Horizontal and vertical filteringOperating problems Problem Cause SolutionInstallation and Operation, cont’d Three Error responses Host-to-signal processor communicationsSignal processor-initiated messages RS-232 Programmer’s GuideUsing the command/response tables Symbol definitionsAscii to Hex conversion table Command Ascii Command Response Additional description Serial Communication, cont’dFreeze Pixel phase Command/response table for special function SIS commands Command Ascii Command Response ValuesInstalling the software Using the control programControl Software for Windows Using the software Using the help programInstalling the software Labeling Buttons on the USPInstalling labels in the USP 405’s buttons Button label screenSetting the Output Rate Using the Per Input Feature VCRSerial Communication, cont’d AAppendix Specifications USP 405 AppendixSync Accessories Part number Part Numbers and AccessoriesAccessories Included partsFirmware Upgrade Installation Removing the USP 405 coverU24 U60 U68U67 Locating the four firmware IC chipsSerial Digital Interface SDI Card Installation Both SDI cards installedSDI output card circuit board connector SDI input card standoffInput SDI board installation Output SDI board installationInstalled SDI input card Installed SDI output cardFCC Class a Notice Extron’s Warranty Extron Electronics, USA
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USP 405 specifications

The Extron Electronics USP 405 is a versatile and high-performance solution designed specifically for managing audio and video signals in varied settings, including classrooms, conference rooms, and other collaboration spaces. This compact device excels in providing seamless connectivity, enhanced audio, and video quality, making it an essential component for modern AV system integration.

One of the key features of the USP 405 is its ability to support multiple input formats. With a blend of HDMI, DisplayPort, and analog video inputs, it offers unmatched flexibility for connecting various devices such as laptops, tablets, and other multimedia equipment. This ensures users can easily share content without worrying about compatibility issues.

Equipped with advanced signal processing technologies, the USP 405 enhances both video and audio performance. The device includes sophisticated scaling capabilities that automatically adjust the resolution of the video output to match the display device specifications, ensuring optimal viewing experiences. Additionally, the built-in audio embedding and de-embedding features allow for seamless integration of audio sources, enhancing clarity and reducing wiring complexity.

Another standout characteristic of the USP 405 is its intuitive user interface. The front panel features clearly labeled controls for easy operation, while the device can also be controlled via network protocols. This means it can be integrated into existing control systems and managed remotely, streamlining AV operations.

The USP 405 also incorporates Extron's renowned signal integrity technologies, which help maintain high-quality signal transmission over long distances. This ensures that audio and video remain clear and reliable, even in larger setups where cable runs can be extensive.

Durability and reliability are crucial in any AV setup, and the USP 405 is built to withstand the rigors of daily use. Its robust design and fanless architecture reduce potential points of failure while ensuring quiet operation, making it an ideal choice for noise-sensitive environments.

In conclusion, the Extron USP 405 provides a comprehensive suite of features aimed at enhancing AV performance and integration. With its multiple input types, advanced signal processing, user-friendly control options, and durable design, it stands out as a powerful tool for any modern AV installation. Whether in educational settings, corporate environments, or entertainment venues, the USP 405 helps create engaging and productive audiovisual experiences.
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