ALFAtron ALF-21E-SOFTCODEC Manual Download Page 1

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ALFATRON ELECTRONICS GmbH GERMANY

ALF-21E-SOFTCODEC

18G 2x1 Presentation Switcher with Soft

Codec and CEC

Summary of Contents for ALF-21E-SOFTCODEC

Page 2: ...ply 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 commercial installation Operation of this equipment in a residential area is likely to cause interference in which case the user at their own expense will be required to take whatever measures may be necessary to correct ...

Page 3: ...nstall this product near water Do not put any heavy items on the extension cable in case of extrusion Do not remove the housing of the device as opening or removing housing may expose you to dangerous voltage or other hazards Install the device in a place with fine ventilation to avoid damage caused by overheat Keep the module away from liquids Spillage into the housing may result in fire electric...

Page 4: ...5 1 Manual Switching 8 5 2 Automatic Switching 8 5 3 Display Control 8 5 4 EDID Settings 9 6 RS232 Control 11 6 1 RS232 Control Software 11 6 2 RS232 Command 13 6 2 1 Device Control 13 6 2 2 Source Switching 13 6 2 3 User defined EDID 14 6 2 4 Serial Baud Rate Setting 14 6 2 5 CEC RS232 Function Setting 15 6 2 6 Display Control 16 6 2 7 Third party Device Control 17 7 Panel Drawing 22 8 Troublesho...

Page 5: ...lly switch to the first detected source device When the active source is removed the switcher will switch to the lowest numbered input The switcher can be manually controlled by the front panel buttons and RS232 commands CEC allows the display device to be controlled by the front panel buttons and RS232 CEC commands 1 1 Features 18G 2x1 switcher with HDMI and USB C inputs Supports automatic switch...

Page 6: ...cher 2x Mounting Ears with 4 Screws 4x Plastic Cushions 1x 5 pin Terminal Block 1x RS232 Cable 3 pin terminal block to DB9 1x Power Cord 1x Power Adapter 24V DC 2 71A 1x User Manual Note Please contact your distributor immediately should any damage or defect in the components is found ...

Page 7: ...TS HD Master Audio pass through Stereo balanced L R audio Format PCM Max Output Level 2 0Vrms 0 5dB 2V 16dB headroom above 10dBV 316mV nominal consumer line level signal THD N 0 05 80dB 20Hz 20KHz bandwidth 1KHz sine at 0dBFS level or max level SNR 80dB 20Hz 20KHz bandwidth Crosstalk Isolation 70dB 10KHz sine at 0dBFS level or max level before clipping L R Level Deviation 0 3dB 1KHz sine at 0dBFS ...

Page 8: ...th 18Gbps Operation Temperature 10 55 Storage Temperature 25 70 Relative Humility 10 90 External Power Supply Input AC 100 240V 50 60Hz Output 24V DC 2 71A Power Consumption 54W Max Dimension W H D 168 0mm x 24 5mm x 95 0mm Net Weight 245g ...

Page 9: ...ct the next input source or press and hold the button at least 3 seconds to enable auto switching mode Note that the factory default switching mode is AUTO DISPLAY A Press ON to turn on the display B Press OFF to turn off the display C Press to mute unmute display audio D Press to decrease the audio volume gradually or press and hold it to decrease the audio volume continually E Press to increase ...

Page 10: ... terminal block for balanced audio output RS232 3 pin terminal block to connect control device e g PC or third party device for RS232 control HOST Type B USB ports for host connection DEVICES Two type A USB ports to connect HID devices e g microphone and camera The HID devices are used to control the HOST when the HDMI input has been selected or to control the USB C source device e g MacBook when ...

Page 11: ...accessories are included before installation System should be installed in a clean environment with proper temperature and humidity control All of the power switches plugs sockets and power cords should be insulated and safe All devices should be connected before power on 4 2 System Diagram ...

Page 12: ...t least three seconds again to exit AUTO mode but the input source will not be changed and the corresponding source LED will turns orange New input Upon detecting a new input the switcher will automatically select the new input Press the SELECT AUTO 3s button can also forcibly change the input source Reboot Once power is restored to the switcher it will automatically reconnect the input before pow...

Page 13: ...ected to the switcher the 4 pin DIP switch on the front panel can be used to set the EDID to a built in fixed value Use the following table to determine the setting for the 4 pin DIP switch for specific video resolution and audio capabilities The switch represents 0 when in the lower OFF position and it represents 1 while putting the switch in the upper ON position Switch Status Video Resolution A...

Page 14: ...ALF 21E SOFTCODEC 10 Note The EDID DIP switch only used for setting the EDID of HDMI source device the USB C source device will automatically gain the EDID of display device ...

Page 15: ...l Software Installation Copy the control software file to the control PC Uninstallation Delete all the control software files in corresponding file path Basic Setting Connect the switcher with all input devices and output devices needed then to connect it with a PC which is installed with RS232 control software Double click the software icon to run this software The software CommWatch exe is used ...

Page 16: ...rameters of COM number baud rate data bit stop bit and the parity bit correctly then you are able to send command in command sending area Parameter configuration area Monitoring area show the commands and its feedback information Command sending area Operation area ...

Page 17: ...RSION Get the firmware version V1 0 0 FACTORY_RESET Factory reset FACTORY_RESET REBOOT System reboot REBOOT HELP Get the command details Example HELP SET_AV Feedback SELECT VIDEO AND AUDIO INPUT PORT SET_AV PARAM1 PARAM1 H C H HDMI C TYPE C 6 2 2 Source Switching Command Description Command Feedback Example SET_AV H Switch to HDMI input AV H SET_AV C Switch to USB C input AV C GET_AV Get the curre...

Page 18: ... 4 Send the EDID file bin If successfully upload the feedback is OK 6 2 4 Switcher Baud Rate Setting Command Description Command Feedback Example SET_RS232_BAUD 0 Set the RS232 baud rate to 115200 RS232_BAUD 0 SET_RS232_BAUD 1 Set the RS232 baud rate to 57600 RS232_BAUD 1 SET_RS232_BAUD 2 Set the RS232 baud rate to 38400 RS232_BAUD 2 SET_RS232_BAUD 3 Set the RS232 baud rate to 19200 RS232_BAUD 3 S...

Page 19: ...YNCACT_CEC 1 SET_SYNCACT_RS232 1 Enable the function of automatically sending RS232 commands When detecting video input signal or not detecting any video signal the switcher will automatically send the corresponding RS232 command to control the display device SYNCACT_RS232 1 SET_SYNCACT_RS232 0 Disable the function of automatically sending RS232 commands SYNCACT_RS232 0 GET_SYNCACT_RS232 Get the f...

Page 20: ...TE_UNMUTE SET_VOL Increase the display audio through CEC and RS232 channels VOL SET_VOL Decrease the display audio through CEC and RS232 channels VOL SET_DISPLAY 1 Power on display device Simultaneously sending CEC and RS232 commands to display device DISPLAY 0 SET_DISPLAY 0 Power off display device Simultaneously sending CEC and RS232 commands to display device DISPLAY 1 ...

Page 21: ...sed PARAM1 00 06 Baud Rate 00 115200 01 57600 02 38400 03 19200 04 9600 05 4800 06 2400 PARAM2 00 99 The delay time of sending command XXXX Any ASCII code up to 48 bytes SET_ON_05_30 1234567 BAUDRATE 4800 DELAY TIME 30 s DISPLAY ON TO SEND 1234567 SET_H_ON_ PARAM1 _ PARAM2 XX XX Set the HEX RS232 command XX XX to be sent to control the third party device when the DISPLAY ON button is pressed PARAM...

Page 22: ...de up to 48 bytes SET_OF_05_30 ABCDEF G BAUDRATE 4800 DELAY TIME 30 s DISPLAY OFF TO SEND ABCDEFG SET_H_OF_ PARAM1 _ PARAM2 XX XX Set the HEX RS232 command XX XX to be sent to control the third party device when the DISPLAY OFF button is pressed PARAM1 00 06 Baud Rate 00 115200 01 57600 02 38400 03 19200 04 9600 05 4800 06 2400 PARAM2 00 99 The delay time of sending command XX XX Any HEX code 0 9 ...

Page 23: ...de up to 48 bytes SET_AM_05_30 ABCDEF G BAUDRATE 4800 DELAY TIME 30 s VOLUME MUTE TO SEND ABCDEFG SET_H_AM_ PARAM1 _ PARAM2 XX XX Set the HEX RS232 command XX XX to be sent to control the third party device when the VOLUME MUTE button is pressed PARAM1 00 06 Baud Rate 00 115200 01 57600 02 38400 03 19200 04 9600 05 4800 06 2400 PARAM2 00 99 The delay time of sending command XX XX Any HEX code 0 9 ...

Page 24: ...II code up to 48 bytes SET_AU_05_30 ABCDEF G BAUDRATE 4800 DELAY TIME 30 s VOLUME TO SEND ABCDEFG SET_H_AU_ PARAM1 _ PARAM2 XX XX Set the HEX RS232 command XX XX to be sent to control the third party device when the VOLUME UP button is pressed PARAM1 00 06 Baud Rate 00 115200 01 57600 02 38400 03 19200 04 9600 05 4800 06 2400 PARAM2 00 99 The delay time of sending command XX XX Any HEX code 0 9 A ...

Page 25: ...II code up to 48 bytes SET_AD_05_30 ABCDEF G BAUDRATE 4800 DELAY TIME 30 s VOLUME TO SEND ABCDEFG SET_H_AD_ PARAM1 _ PARAM2 XX XX Set the HEX RS232 command XX XX to be sent to control the third party device when the VOLUME DOWN button is pressed PARAM1 00 06 Baud Rate 00 115200 01 57600 02 38400 03 19200 04 9600 05 4800 06 2400 PARAM2 00 99 The delay time of sending command XX XX Any HEX code 0 9 ...

Page 26: ...ALF 21E SOFTCODEC 22 7 Panel Drawing ...

Page 27: ...t to authorized dealer for repairing POWER indicator does not work or respond to any operation Failed connection of power cord Ensure the power cord connection is secured Static becomes stronger when connecting the video connectors Bad grounding Check the grounding and ensure it is connected correctly Cannot control the device by control device e g a PC through RS232 port Wrong RS232 communication...

Page 28: ...his product This limited warranty does not cover the cost of normal maintenance Failure of the product due to insufficient or improper maintenance is not covered 1 4 The Company does not warrant that the product covered hereby including without limitation the technology and or integrated circuit s included in the product will not become obsolete or that such items are or will remain compatible wit...

Page 29: ... this product from or into any installation The Company will not be responsible for any costs related to any setting up this product any adjustment of user controls or any programming required for a specific installation of this product 1 13 Please be aware that the Company s products and components have not been tested with competitor s products and therefore the Company cannot warrant products a...

Page 30: ...ALF 21E SOFTCODEC 26 ...

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