Quick Look at Appliance
Network Passive Sensor Tour This section provides a tour of the QualysGuard Network Passive Sensor physical appliance, its features, basic operation, and configuration options.
The following image shows the physical sensor Model : QPS-01G-0100-A0 with 1Gbps.
Front Panel
You can see 'Welcome to Qualys' on the LCD display when you connect the appliance to the network for the first time. After you have successfully completed the Quick Start steps, the appliance name and IP address are displayed.
The appliance has a user interface for configuration and management. You can use the LCD display and keypad on the front panel. LCD display allows selecting menus and navigation (ENTER and arrow keys) for a consistent user experience.
Use the keypad to enter information and respond to prompts.
- Left and Right arrow buttons: move the cursor to left/right in an entry field.
- Up and Down arrow buttons: scroll through menu options and scroll through characters in an entry field.
- ENTER button: confirm entries and move to the next screen.
Back Panel
The appliance’s back panel includes the power socket, the Ethernet LAN port, the Ethernet WAN port, two USB 2.0 ports, and two USB 3.0 ports. 
Power socket - Use to connect the power connector to the appliance.
Power button - Use to power on the appliance. A green light indicates the appliance is on.
LAN port: This is used to ⠀connect the appliance to a hub or switch on your network using a straight-through CAT6 twisted pair Ethernet cable. It is required to manage connectivity to the Qualys Cloud Platform.
WAN port: Connect the appliance to the access, distribution, core switch, or core router on your network using a straight-through CAT6 twisted-pair Ethernet cable. The WAN port is used for incoming mirrored traffic.
USB ports—Connect a USB-to-RS232 converter cable (For 4G(QPS-04G-0402-B0)—RJ45 to USB or RJ45 to D-type 9 pin) to a USB port if you want to use the optional Remote Consol interface (any port may be used).