RS-232 · Serial Control · AV Integration
Stop hunting through 200-page manuals. Get exact RS-232 command strings, serial port settings, and Crestron SIMPL+ code for any device — instantly.
Free troubleshooting checklists available below · No credit card for free tier
What It Does
Built by AV integrators, for AV integrators. No fluff — just the technical information you need on the job.
Describe what you need in plain English. Get exact ASCII or HEX command strings with correct terminators and serial port settings for your specific device.
Covers hundreds of devices from Crestron, Extron, AMX, Biamp, QSC, Kramer, Atlona, Sony, Panasonic, Epson, NEC, Cisco, Poly, and more.
Generate ready-to-compile SIMPL+ modules and AMX NetLinx code snippets. Copy, paste, compile — no starting from scratch.
Not just RS-232 — get Telnet command syntax, TCP port numbers, REST API examples, and IP control equivalents for network-controlled devices.
Walk through serial control issues systematically. Covers physical layer, port settings, command format, control system config, and device-side setup.
Download professional troubleshooting checklists for RS-232, IP control, and display/projector control. Print them for the job site.
Who It's For
Whether you're a freelance programmer or in-house IT staff, AV-Command saves you time every day.
Get device commands fast without digging through manufacturer docs on every new job.
Generate SIMPL+ and NetLinx code snippets as a starting point — save hours per project.
Troubleshoot serial control issues without waiting on a contractor or hunting through manuals.
Verify serial settings and commands on site before the programmer arrives.
Free Resource
Serial control not working? Download our free checklist covering 40+ checkpoints across physical layer, port settings, command format, control system config, and device-side setup.
Download Free ChecklistNo email required · Available in the Downloads tab of the app
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