AXIS Q7411 Installation Guide Page 11ENGLISHRS-485/RS-422 connector - Two 2-pin terminal blocks for RS-485/RS-422 serial interface usedto control auxiliary equipment, e.g. PTZ devices.The RS-485/RS-422 serial port can be configured to support:• Two-wire RS-485 half duplex• Four-wire RS-485 full duplex• Two-wire RS-422 simplex• Four-wire RS-422 full duplex point to point communicationLED indicatorsFunction Pin NotesRS-485/RS-422 RX/TX A 1 (RX) For full duplex RS-485/RS-422(RX/TX) For half duplex RS-485RS-485/RS-422 RX/TX B 2RS-485/RS-422 TX A 3 (TX) For full duplex RS-485/RS-422RS-485/RS-422 TX B 4LED Color IndicationNetwork Green Steady for connection to a 100/1000 Mbit/s network. Flashes for network activity.Amber Steady for connection to a 10 Mbit/s network. Flashes for network activity.Unlit No network connection.Status Green Steady green for normal operation.Amber Steady during startup, during reset to factory default or when restoring settings.Red Slow flash for failed upgrade.Power Green Normal operation.Amber Flashes green/amber during firmware upgrade.RS-485/422RS-485/422RX/TXRX/TX1 2 3 4T X