User GuideCTR 8Switcher AccessoriesEight Input Contact Closure to RS-232 Control Module68-2524-01 Rev. A12 13

CTR 8 • Panels and Cabling 5Application with CCR 4BLB--A MAXPOWER12V1VIDEORGB/R-Y,Y,B-Y HDMIDSC 301 HDAUDIO231RS-232Tx Rx G23INPUTSOUTPUTREMOTEPWR+

CTR 8 • Remote Communication and Control 6Remote Communication and ControlThis section covers the following: z Using Simple Instruction Set (SIS) Com

CTR 8 • Remote Communication and Control 7Symbols Used in this GuideWhen programming in the field, certain characters are most conveniently represente

CTR 8 • Remote Communication and Control 8Command and Response Table for SIS CommandsCommand ASCII Command(host to unit)Response(unit to host)Additio

CTR 8 • Remote Communication and Control 9A/V mute modes are activated via SIS commands sent to the CTR 8. The COM port then sends SIS commands to th

CTR 8 • Updating Firmware 10Updating FirmwareUpdates to the CTR 8 firmware are released periodically on the Extron website. You can find which version

CTR 8 • Updating Firmware 11Downloading CTR 8 FirmwareFigure 8. Firmware Link on the Download TabTo obtain the latest firmware version for the CTR 8:

CTR 8 • Updating Firmware 12Figure 9. Opening Firmware Loader4. In the Add Device dialog, select the device from the Device Names drop-down list.5.

CTR 8 • Updating Firmware 13NOTES:• The original factory-installed firmware is permanently available on the CTR 8. If the attempted firmware upload fa

CTR 8 • Updating Firmware 14Figure 12. Firmware Loader Screen with the CTR 8 Added11. If you want to remove a device, do the following:a. Click th

Safety InstructionsSafety Instructions • EnglishWARNING: This symbol, , when used on the product, is intended to alert the user of the presence of u

CTR 8 • Mounting 15MountingTabletop PlacementAttach the four provided rubber feet to the bottom of the unit and place it in any convenient location.Ra

Extron Headquarters+1.800.633.9876 (Inside USA/Canada Only)Extron USA - West Extron USA - East +1.714.491.1500 +1.919.850.1000 +1.714.491.1517 FAX +

FCC Class A NoticeThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part15 of the FCC rule

Conventions Used in this GuideNotifications The following notifications are used in this guide:ATTENTION: Attention indicates a situation that may d

vCTR 8 • ContentsContentsIntroduction... 1About the CTR 8 ...

CTR 8 • Introduction 1IntroductionAbout the CTR 8The Extron CTR 8 control module provides contact closure input switching for most Extron switchers wi

CTR 8 • Panels and Cabling 2Panels and CablingThis section covers the following:• Front Panel Features• Rear Panel Features and Cabling• Applicati

CTR 8 • Panels and Cabling 3a DC power input with loop through — Wire the external 12 VDC power supply as shown in figure 3 and connect it to the t

CTR 8 • Panels and Cabling 4c Remote RS-232 port — Connect the serial port of a control computer to this female captive screw connector as shown bel