| Parameter | FT232R on FortiGate | Standard Linux (Ubuntu/CentOS) | |-----------|----------------------|--------------------------------| | Max baud rate | 115200 (limited by FortiOS agetty config) | 3 Mbps | | Flow control | None (hardware CTS/RTS ignored) | Supported | | Parity/stop bits | Fixed 8N1 (hardcoded in /etc/inittab -like config) | Fully configurable | | Hot-swap detection | Delayed (5-10 sec) due to USB re-enumeration policy | Immediate | | Logging | ftdi_sio logs suppressed by default (security hardening) | Verbose |
diagnose debug application usb 255 diagnose debug enable ft232r usb uart driver fortinet exclusive
You may need to perform this process twice —once for the "USB Serial Converter" and once for the "USB Serial Port". | Parameter | FT232R on FortiGate | Standard