Operating Guide
INTELLI-TOOLS
IT- VCM
ASCII or Hardwire Controlled Line Level Volume Control Module
with Serial Loop Through
244 Bergen Blvd West Paterson NJ 07424 1-800-332-FSR1
http://www.fsrinc.com/
43934
LIT1248B
Страница 1: ...ting Guide INTELLI TOOLS IT VCM ASCII or Hardwire Controlled Line Level Volume Control Module with Serial Loop Through 244 Bergen Blvd West Paterson NJ 07424 1 800 332 FSR1 http www fsrinc com 43934 LIT1248B ...
Страница 2: ...ion of incidental or consequential damages so the above limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Warranty claims should be accompanied by a copy of the original purchase invoice showing the purchase date if a Warranty Registration Card was mailed in at the time of purchase this is not necessary ...
Страница 3: ...ty Policy 2 Table of Contents 3 Product Overview 4 IT VCM Dimensions 5 Typical Applications 6 IT VCM Operation 7 Dip switch Settings 8 Audio Pinout and Wiring 9 Typical RS 232 Device Interconnections 10 IT VCM Specifications 11 ...
Страница 4: ...umer stereo mono and pot enable settings status Switches control only volume up down and mute They may be used concurrently with serial control The potentiometer can be used for volume control only In this mode the volume up and volume down button terminals as well as the Volume serial commands are disabled See IT VCM Operation for details The module delivers a 0 10V ramp output that can drive a b...
Страница 5: ... INPUTS POT Disable 3 AUDIO OUT RIGHT LEFT SH Switch Position 2 1 Mono L R Stereo AUDIO IN LEFT RIGHT SH OUTPUTS SWITCH EXTERNAL MUTE LED MUTE DOWN UP GND WIPER SERIAL ACTIVITY IN OUT Rx Tx Tx Rx SERIAL Tx Rx Rx SERIAL Tx POWER 12VDC 0 2A 1 2 Consumer Pro NTELLI OOLS IT VCM MODEL 22 22 5 25 5 69 4x 203 DIA 22 3 00 22 3 44 1 57 ...
Страница 6: ...WN UP GND WIPER SERIAL ACTIVITY IN OUT Rx Tx Tx Rx SERIAL Tx Rx Rx SERIAL Tx POWER 12VDC 0 2A 1 2 Consumer Pro NTELLI OOLS IT VCM MODEL TO AC POWER AC ADAPTER SOLD SEPARATELY MODEL IT PS1 FSR PN 16805 OR RN WPCS HOST PC OR OTHER CONTROL SYSTEM SERIAL PORT RS 232 STEREO RECEIVER OUT IN STEREO VOLUME CONTROL Pot Control Output Input Level 4 MUTE ON INDICATOR POT HI Enable 0 10V RAMP 3 INPUTS POT Dis...
Страница 7: ... ENABLE the potentiometer terminals are activated and the audio level is controlled by a remote 10 kΩ linear taper pot or by an externally applied 0 to 12VDC In this mode the volume up and volume down button terminals as well as the Volume serial commands are disabled Terminals provide a 0 to 10VDC output ramp The ramp output can be used to drive an LED bar graph display to indicate the current au...
Страница 8: ...TROLLING THE VOLUME SWITCH 3 POT ENABLED THIS CONFIGURATION ALLOWS FOR THE USE OF AN ADJUSTABLE 10k POT TO CONTROL THE VOLUME OR 0 10 VOLT RAMP BUFFERED OUTPUT THAT INDICATES VOLUME LEVEL USED FOR DRIVING A BAR GRAPH OR FOR PROVIDING FEEDBACK TO A CONTROL SYSTEM DESIGNED TO DRIVE A 10k ohm LOAD V Pot Control Pot Value Output Input Level 4 Enable 63dB to 0dB 4 3 Disable 0dB to 63dB 3 Switch Positio...
Страница 9: ...RING L L SH R R FROM A STEREO UNBALANCED SOURCE SIGNAL FLOW L L SH R R FROM A MONO UNBALANCED SOURCE OR COMMON COMMON SIGNAL FLOW L L SH R R FROM A STEREO BALANCED SOURCE 2 SHIELD SIGNAL FLOW L L SH R R SIGNAL FLOW FROM A MONO BALANCED SOURCE I N P U T I N P U T I N P U T I N P U T L L SH R R L L SH R R L L SH R R OR I N P U T I N P U T SET DIPSWITCH 2 TO THE DOWN POSITION MONO L R SET DIPSWITCH 2...
Страница 10: ...AME DIRECTION NAME DIRECTION Rx INPUT Tx OUTPUT Tx OUTPUT Rx INPUT GROUND GROUND Typical RS 232 Device Interconnections The table below shows the typical hookup for RS 232 control of the IT VCM module Connections for loopthrough applications are included The Serial In port is configured for 38 400 baud 8 data bits 1 stop bit and no handshaking Serial In configuration cannot be changed The Serial O...
Страница 11: ...tor Fixed 5 position screw terminal Impedance 50 ohm balanced intended to drive a 600 ohm or higher load Maximum output level 13dBm Frequency response 20Hz 20kHz 0 5dB S N 80dB THD 0 1 1khz 2dBm in Pro mode Power 12VDC 200mA maximum Power Supply Universal input IT PS1 12VDC 1A supply available separately and will power up to five IT VCM modules Connector Fixed 2 position screw terminal On Board LE...
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