Anytime Help Center

JPK-1300 Jetpack: Serial Communication Loop and Unintended Response in Host Mode

Brand:

AMX

Affected Products:

AMX JPK-1300 Jetpack 1300 Presentation System / Transmitter-Receiver Kit (AMX-VTK0001)

Summary:

When the Jetpack 1300 is set to Host mode, certain connected external display devices (such as projectors) transmit acknowledgment strings or status data back over RS-232. Receiving these incoming strings can cause the Jetpack to enter an unintended command loop, locking up the connected equipment. Updating the device firmware to v1.04.06 resolves this behavior by ignoring incoming RX feedback in Host mode.

Troubleshooting:

End-User Action:

Download firmware version v1.04.06 for the JPK-1300 Jetpack from the AMX website or resource portal.
Apply the firmware update to the Jetpack unit following standard administrative update procedures.

Resolution: Update Jetpack firmware to v1.04.06 or higher.
Verification: Set the Jetpack to Host mode and send control commands to the connected external device. Confirm that the Jetpack successfully controls the device while ignoring any incoming RX return strings or feedback characters, preventing communication locks.